WO2020151216A1 - Système d'irrigation à eau et à engrais intégrés pour ail et procédé de commande - Google Patents

Système d'irrigation à eau et à engrais intégrés pour ail et procédé de commande Download PDF

Info

Publication number
WO2020151216A1
WO2020151216A1 PCT/CN2019/099155 CN2019099155W WO2020151216A1 WO 2020151216 A1 WO2020151216 A1 WO 2020151216A1 CN 2019099155 W CN2019099155 W CN 2019099155W WO 2020151216 A1 WO2020151216 A1 WO 2020151216A1
Authority
WO
WIPO (PCT)
Prior art keywords
garlic
period
fertilizer
water
irrigation
Prior art date
Application number
PCT/CN2019/099155
Other languages
English (en)
Chinese (zh)
Inventor
齐振宇
周艳虹
任艳云
张龙平
蔡盼
邵淑君
边武英
周杰
Original Assignee
浙江大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 浙江大学 filed Critical 浙江大学
Publication of WO2020151216A1 publication Critical patent/WO2020151216A1/fr

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
    • A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
    • A01C23/042—Adding fertiliser to watering systems
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B77/00—Machines for lifting and treating soil
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00—Watering gardens, fields, sports grounds or the like
    • A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00—Watering gardens, fields, sports grounds or the like
    • A01G25/16—Control of watering
    • A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
    • G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means

Definitions

  • the invention belongs to the field of irrigation, and particularly relates to a garlic water-fertilizer integrated irrigation system and a control method, which can realize water-fertilizer integration and automatic management in the garlic mass production process.
  • Garlic is a kind of overwintering crop. In the process of large-scale production, it is generally cultivated with transparent plastic film to increase soil temperature, maintain soil moisture, maintain soil structure, reduce pests invading crops and diseases caused by certain microorganisms, and promote the health of garlic Grow. If mulch film is not used, it is easy to cause production problems such as freezing death and drought. At present, this method of garlic production is conducive to the formation of garlic yield and quality, but it is not conducive to the integrated and accurate management of water and fertilizer in the large-scale garlic production process.
  • the traditional impervious mulch film causes the irrigation water to not evenly penetrate into the soil under the film, making the sprinkler irrigation method unable to be used in the traditional garlic mulching film production mode.
  • the use of a dropper under the film can ensure the penetration of irrigation water into the soil and maintain good irrigation uniformity.
  • the planting density of garlic is too high, generally the row spacing is 20cm, the plant spacing is 15cm, and the cultivation density reaches 22,000 to 27,000 plants/mu.
  • a large number of pipes are installed after garlic is planted, and the cost of pipes, the workload of installation and removal, and the subsequent production and maintenance are all unfavorable factors in the production process. As a result, the dropper under the film cannot be used in the large-scale production of garlic.
  • the present invention provides an irrigation system and control method suitable for garlic water and fertilizer integration.
  • a garlic water and fertilizer integrated irrigation system the system includes a water source, an electric flow regulating valve, a first electromagnetic flowmeter, a venturi tube, a water pump, a PH sensor, and an EC sensor , Circulating fertilizer distribution pipeline, second electromagnetic flowmeter, main water pipeline, biodegradable mulch, branch water pipeline, sprinkler irrigation standpipe, sprinkler head, soil temperature sensor, air temperature sensor, soil moisture sensor and controller;
  • the water inlet of the main water pipeline is connected to the water source, the water pump, the PH sensor, the EC sensor and the second electromagnetic flowmeter are connected to the main water pipeline in sequence, and the two ends of the circulating fertilizer pipeline are connected in parallel to the main water pipeline Above, the two ends of the circulating fertilizer pipeline span the water pump, the PH sensor and the EC sensor; the electric flow regulating valve, the first electromagnetic flowmeter and multiple venturi tubes are connected to the circulating fertilizer pipeline in turn, each venturi tube Connected with fertilizer solenoid valve and lead to the material tank;
  • the main water pipeline is also connected to several branch water pipelines.
  • the upstream of each branch water pipeline is connected with a rotary irrigation solenoid valve.
  • Each branch water pipeline is also connected with a number of sprinkler irrigation standpipes, which are installed on the sprinkler irrigation standpipe.
  • the biodegradable mulch film covers the garlic cultivation field, and the biodegradable film is equipped with a soil temperature sensor and a soil moisture sensor, and the biodegradable film is equipped with a temperature sensor;
  • the electric flow regulating valve, the first electromagnetic flowmeter, the water pump, the PH sensor, the EC sensor, the second electromagnetic flowmeter, all the fertilizer electromagnetic valves, the soil temperature sensor, the air temperature sensor and the soil moisture sensor are all connected with the controller.
  • the garlic cultivation area is divided into multiple partitions, and a branch water pipeline is arranged in each partition.
  • ridges are made on the branch water pipeline.
  • venturi pipes are five, and the first fertilizer distribution solenoid valve, the second fertilizer distribution solenoid valve, the third fertilizer distribution solenoid valve, the fourth fertilizer distribution solenoid valve, and the Fifth fertilizer solenoid valve; five venturi pipes respectively lead to the first fertilizer irrigation, second fertilizer irrigation, third fertilizer irrigation, acid storage tank, and alkali storage tank.
  • first fertilizer irrigation, the second fertilizer irrigation, and the third fertilizer irrigation respectively store N, P, and K water-soluble fertilizers
  • the acid storage tank stores standard concentration of nitric acid or hydrochloric acid solution
  • the alkali storage tank stores standard concentration of hydroxide Sodium or potassium hydroxide aqueous solution.
  • a mesh filter is installed at the water inlet end of the water pump, and a bottom check valve is installed at the water inlet of the main water pipeline.
  • the main water pipeline, branch water pipeline, and fertilizer distribution pipeline may be made of PPR material or PVC material, preferably PPR material.
  • the diameter of the branch pipes can be ⁇ 25 or ⁇ 32
  • the distance between the branch pipes is 8-20m
  • 360-degree rocker nozzles can be used
  • the nozzle spacing is 4-10m
  • the working pressure is 0.3-0.6MPa.
  • the biodegradable mulch is a biodegradable polymer material, which is blow-molded from one or more combinations of materials such as polylactic acid (PLA), polycaprolactone (PCL), and polypropylene carbonate resin (PPC).
  • PLA polylactic acid
  • PCL polycaprolactone
  • PPC polypropylene carbonate resin
  • the non-degradable period of the biodegradable mulch film corresponds to the germination period, seedling period, and overwintering period of the garlic growth period;
  • the degradation period of the biodegradable mulch film corresponds to the greening period, the maternal period, flower buds and scale buds of the garlic growth period Differentiation period, bolting period and bulb enlargement period correspond to the same.
  • the garlic growth period includes the germination period, the seedling period, the overwintering period, the greening period, the rotten mother period, the flower bud and scale bud differentiation period, the bolting period, and the bulb expansion period, and the average value of gas accumulation temperature and geothermal accumulation is adopted. Represents the different growth period indicators of garlic.
  • biodegradable mulch film adopts the average value of the accumulated air temperature and the geothermal temperature to represent the degradation cycle index of the biodegradable mulch film.
  • Another object of the present invention is to provide a method for controlling garlic water and fertilizer integrated irrigation system, which includes the following steps:
  • Step 1 According to the growth period of garlic growth, including the germination period, the seedling period, the overwintering period, the greening period, the rotten mother period, the flower bud and scale bud differentiation period, the bolting period, the bulb expansion period and the dormant period, and the use of mild gas accumulation
  • the average value B of accumulated temperature represents the index of different growth periods of garlic; the average value B of accumulated temperature after the wintering period and before the greening period is used as the threshold value of accumulated temperature B 0 for starting irrigation;
  • Step 2 According to the absorption law of garlic in different growth periods, establish the corresponding function relationship between the accumulated temperature of garlic and the absorption of each mineral nutrient element, and according to the established corresponding function relationship, design the fertilization formula and fertilization amount for each period of garlic ,
  • the calculation method is as follows:
  • N:P:K [D(i)-D(i-1)]:[L(i)-L(i-1)]:[J(i)-J(i-1)]
  • Step 3 According to the growth period of garlic and the average value B of the accumulated air temperature and the accumulated temperature representing the corresponding growth period, set the fertilizer concentration under different growth period conditions, and the controller adjusts the opening ratio of the electric flow control valve of the fertilizer pipeline The frequency of opening with the solenoid valve of the fertilizer is controlled each time the fertilization formula and fertilization amount;
  • Step 4 The soil moisture sensor transmits the measured soil moisture value H to the controller in real time.
  • the controller controls the water pump to start or stop irrigation according to the set threshold range H 0.
  • H the measured H>H 0
  • the system does not perform irrigation
  • H ⁇ H 0 the controller controls the electric flow control valve on the circulating fertilizer distribution pipeline to completely close, closes the fertilizer distribution solenoid valve, starts the water pump and starts irrigation.
  • the amount of each irrigation is based on the measured soil moisture value H and H 0 proportional adjustment; the y-th irrigation amount is calculated as follows:
  • step 1 to step 4 the controller controls the start or stop of the water pump in the system, the opening ratio of the electric flow regulating valve, the opening and closing of the fertilizer solenoid valve, the opening and closing of the solenoid valve for each partition, and the integration of water and fertilizer for garlic Chemical irrigation.
  • the beneficial effects of the present invention are: in the system design, the cyclic fertilizer distribution pipeline is set to reduce the fertilizer distribution power, and facilitate the spatial layout of the fertilizer distribution unit, so that the fertilizer buckets, acid-base buckets and other utensils that occupy a large space can be eliminated Layout directly beside the main water pipeline.
  • the system combines biodegradable mulching film with sprinkler irrigation, which can realize the integrated precise management and intelligent control of water and fertilizer in the large-scale garlic production process, and solve the contradiction between the mulching cultivation and the integration of water and fertilizer in the large-scale garlic production for many years.
  • the invention can reduce the amount of irrigation water and alleviate the problems of soil compaction and hypoxia and irrigation water waste.
  • the biodegradable film is used in the garlic cultivation and production process. On the one hand, it can play a better role in retaining water, heat and fertilizer in the early stage of degradation. On the other hand, during the bulb expansion period of garlic, degradation cracks will appear in the mulching film and increase the amount of under-film.
  • the ventilation of the soil makes the soil temperature environment and the loose soil environment more conducive to the expansion of garlic bulbs.
  • the biodegradable mulch can reduce the water content of the soil and reduce the occurrence of rotten garlic. When garlic is harvested, it can be harvested directly without removing the film, which improves the efficiency of garlic harvesting.
  • biodegradable mulch can reduce white pollution, protect soil structure, improve environmental quality, and maintain the entire farmland ecological environment.
  • the average value of the accumulated air temperature and the accumulated temperature of the garlic planting block represents the growth period of garlic, and the corresponding relationship between the accumulated temperature of garlic and the absorption of various mineral nutrients is established.
  • the establishment of the corresponding relationship, the dynamic design of the fertilization formula and the fertilization amount can carry out scientific and accurate fertilization management according to the actual needs of garlic in different growth periods and growth stages for different mineral nutrients.
  • Figure 1 is a schematic diagram of the present invention
  • a garlic water and fertilizer integrated irrigation system the system includes a water source 1, an electric flow regulating valve 3, a first electromagnetic flow meter 4, a venturi tube 7, a water pump 17, a PH sensor 18, an EC sensor 19, Circulating fertilizer pipe 20, second electromagnetic flowmeter 21, main water pipe 22, biodegradable mulch 23, branch water pipe 26, sprinkler standpipe 28, sprinkler head 29, soil temperature sensor 31, air temperature sensor 32, soil moisture Sensor 33 and controller;
  • the water inlet of the main water pipeline 22 leads to the water source 1, the water pump 17, the PH sensor 18, the EC sensor 19 and the second electromagnetic flowmeter 21 are connected to the main water pipeline 22 in sequence, and the two ends of the circulating fertilizer pipeline 20 Connected in parallel to the main water pipeline 22, the two ends of the circulating fertilizer distribution pipeline 20 span the water pump 17, the PH sensor 18 and the EC sensor 19; the electric flow regulating valve 3, the first electromagnetic flow meter 4 and multiple venturi tubes 7 Connected to the circulating fertilizer pipe 20 in turn, and each venturi pipe 7 is connected with a fertilizer electromagnetic valve and leads to a feed tank;
  • the main water delivery pipeline 22 is also connected to a number of branch water delivery pipelines 26, each of the branch water delivery pipelines 26 is connected to a rotary solenoid valve upstream, and each branch water delivery pipeline 26 is also connected to a number of sprinkler irrigation risers 28, Install sprinkler head 29 on sprinkler stand pipe 28,
  • the sensors 33 are all connected to the controller.
  • the controller can be a ZJU-AES-09 product of Zhejiang University, but is not limited to this.
  • the garlic cultivation area is divided into multiple partitions, and a branch water pipeline 26 is arranged on each partition.
  • a ridge 30 is formed on the branch water delivery pipeline 26. Between the different ridges 30 are garlic planting rotation irrigation zones. Garlic 25 is planted on the garlic planting area, and the biodegradable film 23 covers the garlic planting area. There are soil temperature sensors 31 and soil moisture sensors 33 under the biodegradable film 23, which are biodegradable A temperature sensor 32 is provided on the membrane;
  • venturi tubes 7 The number of venturi tubes 7 is five, and the five venturi tubes 7 are respectively installed with the first fertilizer distribution solenoid valve 6, the second fertilizer distribution solenoid valve 8, the third fertilizer distribution solenoid valve 10, and the fourth fertilizer distribution solenoid valve.
  • Valve 12, fifth solenoid valve 14 for fertilizer distribution; five venturi tubes 7 respectively lead to the first fertilizer irrigation 9, the second fertilizer irrigation 11, the third fertilizer irrigation 13, the acid storage tank 15, and the alkali storage tank 16.
  • the first fertilizer irrigation, the second fertilizer irrigation, and the third fertilizer irrigation respectively store N, P, K water-soluble fertilizers
  • the acid storage tank stores standard concentration of nitric acid or hydrochloric acid solution
  • the alkali storage tank stores standard concentration of sodium hydroxide or hydrogen Potassium oxide aqueous solution.
  • a mesh filter 5 is installed on the water inlet end of the water pump 17, and a bottom check valve 2 is installed on the water inlet of the main water pipe 22 to keep the pipe between the pipe and the water pump in a water-filled state.
  • the main water delivery pipeline 22, the branch water delivery pipeline 26, and the fertilizer distribution pipeline 20 can be made of PPR material or PVC material, preferably PPR material.
  • the diameter of the branch water pipeline 26 can be ⁇ 25 or ⁇ 32, and the distance between two adjacent branch water pipelines 26 is 8-20m.
  • 360-degree rocker nozzles can be used, the nozzle spacing is 4-10m, and the working pressure is 0.3 ⁇ 0.6MPa.
  • the biodegradable mulch film 23 is a biodegradable polymer material, which is blow molded from one or more combinations of materials such as polylactic acid (PLA), polycaprolactone (PCL), and polypropylene carbonate resin (PPC). According to the material composition ratio, the degradation cycle of the biodegradable mulch film (23) can be accurately designed, and the degradation cycle of the biodegradable mulch film (23) is taken as the degradation period of the biodegradable film by 25%.
  • PLA polylactic acid
  • PCL polycaprolactone
  • PPC polypropylene carbonate resin
  • the garlic growth period includes the germination period, the seedling period, the overwintering period, the greening period, the rot period, the flower bud and scale bud differentiation period, the bolting period, and the bulb expansion period.
  • the non-degradable period of the biodegradable mulch 23 and the germination period of the garlic growth period correspond to the same;
  • the degradation period of the biodegradable mulching film 23 corresponds to the greening period, the rotten mother period, the flower bud and scale bud differentiation period, the bolting period, and the bulb expansion period of the garlic growth period.
  • the average value of the accumulated air temperature and the accumulated temperature is used to represent the indicators of the different growth periods of garlic, and the greening period is regarded as the period when the garlic starts to need water and fertilizer for irrigation. At this time, the average of the accumulated air temperature and the accumulated temperature is used as the biodegradable mulch film. Degradation accumulated temperature threshold.
  • the biodegradable mulch film 23 adopts the average value of the accumulated air temperature and the geothermal temperature to represent the degradation cycle index of the biodegradable mulch film 23.
  • the control principle of the garlic water and fertilizer integrated irrigation system provided by the present invention is as follows:
  • the average value of gas accumulation temperature and geoaccumulation temperature is used to represent garlic Different growth periods are indicators, and the turning green period is regarded as the period when garlic begins to require a large amount of water and fertilizer for irrigation.
  • the average value of the accumulated temperature of the gas and the accumulated temperature is used as the degradation threshold of the biodegradable film.
  • the average value of the accumulated air temperature and the accumulated temperature is used to represent the degradation cycle of the biodegradable mulch film.
  • the average value of the accumulated air temperature and the accumulated temperature is used to reach the degradation accumulated temperature threshold of the biodegradable mulching film, and the biodegradable mulching film is degraded by 25%, and the degradation cycle and synthetic formula of the biodegradable mulching film are designed.
  • the formula can be made of one or more combinations of materials such as polylactic acid (PLA), polycaprolactone (PCL), and polypropylene carbonate resin (PPC).
  • the controller receives the air temperature, soil temperature, and soil moisture detected by the soil temperature sensor 31 and the air temperature sensor 32 to judge the different growth periods of garlic, and generates the fertilizer formula and the amount of fertilizer according to the demand for fertilizer in different growth periods, starts the water pump 17, and turns on
  • the wheel tank solenoid valve 24 in zone 1 starts water and fertilizer irrigation.
  • the controller adjusts the electric flow according to the flow value measured by the first electromagnetic flowmeter 4 Regarding the opening ratio of valve 3, part of the irrigation water enters the circulating fertilizer pipe 20.
  • the controller changes the first fertilizer solenoid valve 6, the second fertilizer solenoid valve 8 and the fertilizer concentration during the growth period according to the generated fertilizer formula and the set fertilizer concentration.
  • the opening frequency of the third fertilizer solenoid valve 10 respectively controls the amount of N, P, K fertilizer injected into the irrigation system through the venturi tube of the first fertilizer irrigation 9, the second fertilizer irrigation 11 and the third fertilizer irrigation 13.
  • the controller passes the EC
  • the sensor 19 measures the EC value and monitors that the EC value of the irrigation water is within a set range.
  • the PH value of the mixed water and fertilizer is measured by the PH sensor 18, the opening frequency of the fourth solenoid valve 12 and the fifth solenoid valve 14 is controlled, and the acid storage tank 15 and the alkali storage tank 16 are controlled to inject acid into the irrigation system through the venturi. Or the amount of alkali, adjust the PH value of the mixed water and fertilizer.
  • the mixed water and fertilizer enters the main water pipeline 22, mixes with the irrigation water, passes through the mesh filter 5, the water pump 17, the PH sensor 18, the EC sensor 19, the second electromagnetic flowmeter 21, and passes through the sixth electromagnetic valve 24 of the zone wheel tank. , Branch water pipeline 26, sprinkler standpipe 28 and sprinkler head 29 for sprinkler irrigation.
  • the controller controls the fertilization amount of the districts through the generated fertilization formula, the set fertilization concentration and the flow value of the second electromagnetic flowmeter 21.
  • the sixth solenoid valve 24 is closed, and the seventh solenoid valve 27 is opened to perform the irrigation and fertilization of the second partition, and perform the round-tank fertilization of each partition accordingly, until the complete irrigation and fertilization stop.
  • the controller transmits the measured soil moisture value to the controller in real time according to the soil moisture sensor 33, and the controller controls the water pump to start irrigation according to the set threshold range, and proportionally controls the irrigation water volume according to the measured soil moisture value.
  • the electric flow regulating valve is adjusted to be completely closed, and the fertilizer electromagnetic valve is closed.
  • the controller monitors the EC value of the irrigation water through the EC value measured by the EC sensor 19 to be within the set range.
  • the PH value of the irrigation water is measured by the PH sensor 18, the opening ratio of the electric flow regulating valve is adjusted, the opening frequency of the fourth solenoid valve 12 and the fifth solenoid valve 14 are controlled, and the acid storage tank 15 and the alkali storage tank are controlled.
  • 16 Inject acid or alkali into the irrigation system through the venturi tube to adjust the pH value of the irrigation water.
  • Step 1 According to the growth period of garlic growth, including the germination period, the seedling period, the overwintering period, the greening period, the rotten mother period, the flower bud and scale bud differentiation period, the bolting period, the bulb expansion period and the dormant period, and the use of mild gas accumulation
  • the average value B of accumulated temperature represents the index of different growth periods of garlic.
  • the average value B of the accumulated air temperature and the accumulated earth temperature after the wintering period and before the greening period is used as the threshold value B 0 of the accumulated temperature for starting irrigation.
  • T x is the average value of the temperature in the x-th day of the garlic cultivation field from the beginning of sowing;
  • E x is the average value of the soil temperature in the x-th day after the garlic cultivation field is covered with biofilm;
  • x is the garlic cultivation field, From the beginning of sowing, the number of days to grow;
  • z is the total number of days from sowing to greening of garlic;
  • B 0 is the threshold of accumulated temperature when garlic starts to irrigate.
  • Step 2 According to the absorption law of garlic in different growth periods, establish the corresponding function relationship between the accumulated temperature of garlic and the absorption of each mineral nutrient element, and according to the established corresponding function relationship, design the fertilization formula and fertilization amount for each period of garlic ,
  • the calculation method is as follows:
  • the average value B of the accumulated air temperature and the accumulated temperature of the garlic during the growth period of every Z days (here Z is preferably 5 days), and take samples to detect the content and changes of the nutrient elements such as N, P, K, etc. in each growth period of the garlic, establish the garlic accumulated temperature
  • the fertilization amount and fertilization formula for the i time are calculated as follows:
  • N:P:K [D(i)-D(i-1)]:[L(i)-L(i-1)]:[J(i)-J(i-1)]
  • Step 3 According to the growth period of garlic and the average value B of the accumulated air temperature and the accumulated temperature representing the corresponding growth period, set the fertilizer concentration under different growth period conditions, and the controller adjusts the opening ratio of the electric flow control valve of the fertilizer pipeline
  • the opening frequency of the solenoid valve with fertilizer control controls the formula and amount of fertilizer applied each time.
  • Step 4 The soil moisture sensor transmits the measured soil moisture value H to the controller in real time every 1h.
  • the controller controls the water pump to start or stop irrigation according to the set threshold range H 0.
  • H the measured H>H 0
  • the controller opens the opening ratio of the electric flow regulating valve on the fertilizer distribution pipeline, closes the fertilizer distribution solenoid valve, and starts the water pump to start irrigation.
  • the amount of irrigation each time is based on the measured soil moisture value H and H 0 scale adjustment.
  • the y-th irrigation volume is calculated as follows:
  • W 0 is the standard set by the amount of irrigation; H y is the y value of soil moisture measured times; H 0 is the start threshold value for soil moisture for irrigation; k 0 scale factor of soil moisture for irrigation water.
  • the controller judges the different growth periods and different growth periods of the garlic's fertilizer and water requirements according to the detected air temperature, soil temperature, soil moisture, and PH/EC value, and controls the start or stop of the water pump in the system , The opening ratio of the electric flow regulating valve, the opening and closing of the fertilizer electromagnetic valve, the opening and closing of the rotating irrigation battery, and the integrated water and fertilizer irrigation of garlic.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Fertilizing (AREA)
  • Fertilizers (AREA)

Abstract

L'invention concerne un système d'irrigation à eau et à engrais intégrés pour ail (25) et un procédé de commande. Selon le système d'irrigation, en utilisant un paillis biodégradable (23), à un stade de croissance précoce de l'ail (25), les exigences d'augmentation de température et de conservation d'humidité avant la période d'établissement de semis de l'ail (25) sont satisfaites, et après que le paillis biodégradable (23) est dégradé, l'exigence de fourniture d'une grande quantité d'eau et d'engrais à un stade de croissance intermédiaire et ultérieur de l'ail (25) est satisfaite par irrigation par aspersion. En termes de commande, différents stades de croissance de l'ail (25) sont représentés par une valeur moyenne d'une température atmosphérique accumulée et d'une température de sol accumulée, et une formule de fertilisation ainsi qu'une quantité de fertilisation sont conçues de manière dynamique selon une loi d'absorption de différents nutriments minéraux au niveau des différents stades de croissance de l'ail (25).
PCT/CN2019/099155 2019-01-23 2019-08-03 Système d'irrigation à eau et à engrais intégrés pour ail et procédé de commande WO2020151216A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910063616.6 2019-01-23
CN201910063616.6A CN109644660B (zh) 2019-01-23 2019-01-23 一种大蒜水肥一体化灌溉***及控制方法

Publications (1)

Publication Number Publication Date
WO2020151216A1 true WO2020151216A1 (fr) 2020-07-30

Family

ID=66120382

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/099155 WO2020151216A1 (fr) 2019-01-23 2019-08-03 Système d'irrigation à eau et à engrais intégrés pour ail et procédé de commande

Country Status (2)

Country Link
CN (1) CN109644660B (fr)
WO (1) WO2020151216A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114342630A (zh) * 2022-01-21 2022-04-15 华中农业大学 筛选适合用于红美人的灌水器及肥液配比方案的方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109644660B (zh) * 2019-01-23 2024-06-18 浙江大学 一种大蒜水肥一体化灌溉***及控制方法
CN112230697B (zh) * 2020-10-19 2021-06-11 广州市企德友诚美信息技术开发有限公司 一种基于互联网的农业监控装置
CN115836639A (zh) * 2022-11-11 2023-03-24 四川省农业科学院园艺研究所 一种设施无土基质栽培番茄水肥供给方法、装置及存储介质

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202941140U (zh) * 2012-12-06 2013-05-22 上海华维节水灌溉有限公司 一种大剂量水肥一体化灌溉装置
CN105557463A (zh) * 2015-12-16 2016-05-11 重庆市农业科学院 设施栽培水肥一体化灌溉***和方法
JP2018046749A (ja) * 2016-09-19 2018-03-29 幸男 黒川 水わさびの栽培システム
CN107950330A (zh) * 2017-11-13 2018-04-24 中国农业大学 一种寒区马铃薯滴灌节水高效栽培方法
CN109644660A (zh) * 2019-01-23 2019-04-19 浙江大学 一种大蒜水肥一体化灌溉***及控制方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008131877A (ja) * 2006-11-28 2008-06-12 Sasaki Corporation ニンニク等の球根植え付け機
MX2007012241A (es) * 2007-10-02 2007-12-06 Flores Ian Jorge Garcia De Alb Sistema de riego rodado por canal con pelicula plastica.
CN101433174B (zh) * 2008-05-23 2010-11-03 贵州大学 一种灌溉方法及***
CN102726264B (zh) * 2012-07-16 2013-06-05 姚宏亮 一种有机水稻机械覆膜栽培方法
CN104429731A (zh) * 2014-10-23 2015-03-25 山东省农作物种质资源中心 一种大蒜全膜覆盖种植方法
CN104641888A (zh) * 2015-01-26 2015-05-27 黄汉森 一种大蒜地膜覆盖栽培方法
CN105027896A (zh) * 2015-06-30 2015-11-11 通海锦程蔬菜有限公司 坡地种植直叶蒜的方法
CN105830710B (zh) * 2016-04-06 2017-05-17 云南省农业科学院甘蔗研究所 一种糖料甘蔗绿色可持续高产种植方法
CN206284010U (zh) * 2016-12-12 2017-06-30 中国科学院沈阳应用生态研究所 一种玉米浅掩式地表滴灌装置
CN106962000A (zh) * 2017-05-08 2017-07-21 云南省农业科学院甘蔗研究所 降解地膜覆盖甘蔗的栽培方法
CN107135916A (zh) * 2017-05-12 2017-09-08 刘萍萍 一种远程精准灌溉施肥***
CN107418161B (zh) * 2017-07-13 2019-11-05 山东农业大学 一种可机械覆膜的超薄超强超透明全生物降解地膜及其制备方法
CN207653169U (zh) * 2017-11-23 2018-07-27 江西井冈山茶厂 一种新型茶树种植沟垄结构
CN208001518U (zh) * 2018-03-15 2018-10-26 中国科学院地理科学与资源研究所 一种多作物水肥同步定量管理的自动滴灌***
CN109161173B (zh) * 2018-08-29 2023-01-10 中国热带农业科学院湛江实验站 一种可控淀粉基生物降解农用地膜
CN209861587U (zh) * 2019-01-23 2019-12-31 浙江大学 一种大蒜水肥一体化灌溉***

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202941140U (zh) * 2012-12-06 2013-05-22 上海华维节水灌溉有限公司 一种大剂量水肥一体化灌溉装置
CN105557463A (zh) * 2015-12-16 2016-05-11 重庆市农业科学院 设施栽培水肥一体化灌溉***和方法
JP2018046749A (ja) * 2016-09-19 2018-03-29 幸男 黒川 水わさびの栽培システム
CN107950330A (zh) * 2017-11-13 2018-04-24 中国农业大学 一种寒区马铃薯滴灌节水高效栽培方法
CN109644660A (zh) * 2019-01-23 2019-04-19 浙江大学 一种大蒜水肥一体化灌溉***及控制方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114342630A (zh) * 2022-01-21 2022-04-15 华中农业大学 筛选适合用于红美人的灌水器及肥液配比方案的方法
CN114342630B (zh) * 2022-01-21 2023-02-03 华中农业大学 筛选适合用于红美人的灌水器及肥液配比方案的方法

Also Published As

Publication number Publication date
CN109644660A (zh) 2019-04-19
CN109644660B (zh) 2024-06-18

Similar Documents

Publication Publication Date Title
WO2020151216A1 (fr) Système d'irrigation à eau et à engrais intégrés pour ail et procédé de commande
CN204259549U (zh) 室内滴灌农作物灌溉装置
CN105900792B (zh) 一种基于冬小麦苗情和土壤墒情的节水灌溉方法
CN204466463U (zh) 滴箭灌溉自动控制***
CN104756716B (zh) 一种烟草育苗方法
CN102405757A (zh) 一种茶树智能快繁育苗方法
CN107667818A (zh) 一种盆栽植物肥水循环利用的封闭栽培方法
CN105123425A (zh) 葡萄的设施栽培方法
CN103769317A (zh) 内镶贴片式滴灌带
CN106258142A (zh) 果树水肥一体化施肥方法
CN108901697A (zh) 一种旱作直播水稻滴灌节水调质栽培方法
CN206879432U (zh) 一种火龙果水肥一体化***
CN204598762U (zh) 一种庭院栽培设施
CN206498683U (zh) 水肥一体化智能灌溉***
CN205658102U (zh) 一种水肥气热一体化***
CN207589743U (zh) 一种盆栽植物肥水循环利用的封闭栽培装置
CN107056505A (zh) 一种菜稻轮作农田养分减排且维持作物稳产的方法
CN203578046U (zh) 贴片式滴灌带
CN104285616A (zh) 一种小麦高产种植方法
CN101637115A (zh) 一种屋顶绿化的方法
CN107182419A (zh) 利用鱼池废水定额灌溉红提葡萄的滴灌***
CN209861587U (zh) 一种大蒜水肥一体化灌溉***
CN203399567U (zh) 一种设施农业生产用标准化水肥一体化灌溉***
CN202112124U (zh) 流量可调式滴灌袋
CN108124753A (zh) 一种新型无土栽培装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19911217

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19911217

Country of ref document: EP

Kind code of ref document: A1