CN103477776B - Fertilization method - Google Patents
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- CN103477776B CN103477776B CN201310355737.0A CN201310355737A CN103477776B CN 103477776 B CN103477776 B CN 103477776B CN 201310355737 A CN201310355737 A CN 201310355737A CN 103477776 B CN103477776 B CN 103477776B
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Abstract
The invention relates to a fertilization method. The fertilization method comprises the steps of adopting urea as a nitrogen fertilizer, calcium superphosphate as a phosphorus fertilizer and potassium sulfate as a potassium fertilizer, wherein the ratio of the using quantity in parts by weight of nitrogen to phosphorus to potassium is 1.986: 1: 2.114 calculated by N, P2O5 and K2O; firstly applying the total phosphorus fertilizer and 45% of the nitrogen fertilizer and the potassium fertilizer into cultivation soil as a base fertilizer, applying 25% of the nitrogen fertilizer and the potassium fertilizer as a first additional fertilizer during the tillering stage, and averagely distributing and applying the remaining 30% of the nitrogen fertilizer and the potassium fertilizer after every harvest. According to the fertilization method disclosed by the invention, by selecting the appropriate nitrogen, phosphorus and potassium fertilizers and reasonably matching the using quantities of the nitrogen, phosphorous and potassium fertilizers, the nutritional requirements of cocksfoot are well met; simultaneously, a fertilization way is used for matching, so that the nutrition absorption during the earlier stage and later stage of growth of the cocksfoot is fully improved; the quality and yield of the cocksfoot are effectively improved, the energy consumption is reduced, the environmental pollution is avoided, the soil fertility is improved, and the economic benefits of production of the cocksfoot are greatly improved.
Description
The present patent application is dividing an application for the patent of invention that application number is 201110355876.4, the applying date is on November 10th, 2011.
Technical field
The present invention relates to a kind of fertilizing method, be specifically related to the fertilizing method of orchardgrass.
Background technology
Orchardgrass claims again halymenia dentata, orchard grass, originate in Europe, north African and Temperate Region in China, Asia, it is one of world-renowned temperate zone good forage, in North America, the plantation of existing more than 200 year is historical, being one of U.S. commerial growing herbage at present, is also one of good mixed seeding grass seeds of sylvan life meadow and high light efficiency sown pasture.
In recent years, orchardgrass is extensively cultivated application on China Sichuan, Chongqing, Shanxi, Gansu, Heilungkiang and other places, and has obtained certain economy, ecology and social benefit.But in plantation orchardgrass process, orchardgrass is not furtherd investigate, according to local soil fertility, the potassium balance of nitrogen phosphorus is joined and execute, thereby orchardgrass productivity and grass product matter are not high, also brought environmental pollution, orchardgrass cultivating economic benefit has much room for improvement.
Summary of the invention
The object of the present invention is to provide the fertilizing method of a kind of orchardgrass.
The object of the invention is to realize by following technical measures, be below weight percentage, except special instruction;
A fertilizing method for orchardgrass, is characterized in that: adopt urea (N content is 46%, is commercially available prod) as nitrogenous fertilizer, superphosphate (P
2o
5content is 12%, is commercially available prod) be phosphate fertilizer, potassium sulfate (K
2o content is 25%, is commercially available prod) be potash fertilizer, wherein the consumption of nitrogen, phosphorus and potassium is for pressing N, P
20
5, K
2o is than 1.986: 1: 2.114, in weight part ratio; First using whole phosphate fertilizer, apply in cultivating soil as base manure with 45% nitrogenous fertilizer and phosphate fertilizer, in tillering stage, using 25% nitrogenous fertilizer and potash fertilizer as topdressing and apply for the first time, the nitrogenous fertilizer of residue 30% and potash fertilizer mean allocation after each harvesting applies; State cultivating soil specifically, it is the types of soils of reservoir area of Three Gorges: brown paddy soil, soil property is sandy loam, soil nutrient status is: 0~20cm soil layer content of organic matter is 9.11%~10.02%, ammonium nitrogen 0.08g/kg~0.18g/kg, available phosphorus 0.253g/kg~0.531g/kg, available potassium 0.021g/kg~0.062g/kg, pH is 5~7; Described amount of application of nitrogen fertilizer is 522kg/hm
2, phosphate fertilizer amount is 236kg/hm
2, K Amounts is 640kg/hm
2.
Specifically, the fertilizing method of a kind of orchardgrass, carries out as follows:
(1) unit are amount of urea is 522kg/hm
2, superphosphate consumption is 236kg/hm
2, potassium sulfate consumption is 640kg/hm
2;
(2) in the previous day of planting, using whole phosphate fertilizer, 45% nitrogenous fertilizer and potash fertilizer as base manure and fine earth impose on equably cultivating soil railway carriage or compartment face after mixing, cover; Soil types: brown paddy soil, soil property is sandy loam, soil nutrient status is: 0~20cm soil layer content of organic matter is 9.11%~10.02%, ammonium nitrogen 0.08g/kg~0.18g/kg, available phosphorus 0.253g/kg~0.531g/kg, available potassium 0.021g/kg~0.062g/kg, pH is 5~7:
(3) in tillering stage, using 25% nitrogenous fertilizer and potash fertilizer as topdressing and apply for the first time;
(4) after each harvesting, mean allocation applies nitrogenous fertilizer and the potash fertilizer that remains 30%; When harvesting twice, use 15% at every turn; When harvesting three times, use 10% at every turn, the like.
Above-mentioned orchardgrass kind can be peace bar, Baoxing, model, Taurus, Chuan Dong, is preferably model orchardgrass.
The present invention has following beneficial effect:
The present invention is by selecting suitable nitrogen, phosphorus, potash fertilizer, thereby the consumption of reasonably combined nitrogen, phosphorus, potash fertilizer has met the nutritional need of orchardgrass well, and Fertilizers mode has fully improved the grow nutrient absorption of forward and backward phase of orchardgrass simultaneously; Accomplished well the balanced application to nitrogen, phosphorus, potash fertilizer in orchardgrass production, given full play to the fertilizer efficiency of nitrogenous fertilizer, phosphate fertilizer and potash fertilizer, quality and the output of orchardgrass have effectively been improved, reduce energy resource consumption, avoided environmental pollution, improved soil fertility, greatly improved the economic benefit that orchardgrass produces.
Embodiment
Below by example, the present invention is specifically described.Be necessary to be pointed out that at this; following instance is only used to further illustrate the present invention; can not be interpreted as limiting the scope of the invention, the person skilled in the art in this field can make some nonessential improvement and adjustment to the present invention according to foregoing invention content.
Embodiment 1
Adopt nitrogen, phosphorus, the saturated optimal design of potassium three factor secondary D-, by the field trial of carrying out in reservoir area of Three Gorges.For examination orchardgrass kind, be model orchardgrass, Bai Lv company in Beijing provides again, and experimental determination germination rate is not done any processing before sowing.For examination nitrogenous fertilizer, be urea (N content is 46%), build peak chemical general factory produce by Chinese Nuclear Industry In The Past, phosphate fertilizer is superphosphate (P
2o
5content is 12%) by Luzhou Xingtai phosphate fertilizer Co., Ltd, to be produced, potash fertilizer is potassium sulfate (K
2o content is 25%), by Weifang, gain Feng Nongization Co., Ltd happily and produce.During test, actual fertilizing amount is with pure N, P
2o
5and K
2o amounts to calculating.
Experimental field be positioned at Fongdu County In Chongqing, be located in east longitude 107 ° 28 ' 03 " 108 ° 12 ' 37 ", 29 ° 33 ' 18 of north latitude " 30 ° 16 ' 25 ", height above sea level 966m, belongs to the wetting monsoon climate in subtropics, 18.3 ℃ of average temperatures of the whole year, 318 days frost-free seasons, year 1311 hours sunshine.6383 ℃ of year active accumulated temperatures, relative moisture 72%, 18.3 ℃ of year sammings, the weather that surpasses 40 ℃ has 15d left and right, January lowest temperature-4 ℃, 27 ℃ of the hottest 7 monthly mean temperatures.Annual rainfall 950-1400mm.
For examination soil types, be brown paddy soil, soil property is sandy loam, and soil nutrient status is: 0~20cm soil layer content of organic matter is 9.39%, ammonium nitrogen 0.13g/kg, and available phosphorus 0.389g/kg, available potassium 0.044g/kg, pH is 6.5.This area's quick-acting potassium content is lower.
Test is processed and be the results are shown in Table 1.6 processing are established in test altogether, and randomized arrangement, establishes 3 repetitions, community area 20m
2(4m * 5m), minizone is apart from 50cm.On April 7th, 2009 is sowed wholely, drilling, and seeding quantity is 1.5g/m.Wherein phosphate fertilizer applies as base manure is disposable, nitrogenous fertilizer, and in potash fertilizer, 45% applies as base manure, and 25% applies as tillering fertilizer, after the 1st, 2 harvestings, respectively executes 15% nitrogenous fertilizer, potash fertilizer.
Table 1 test is processed and output comparison
Embodiment 2
By N, P, K content difference in orchardgrass dry matter under orchardgrass balance fertilizing field trial research different disposal condition, thereby clear and definite its different fertilization affects orchardgrass quality, and test site and processing are with example 1.Result of the test is as follows:
The processing of table 2 different tests and N, P, K content
Claims (2)
1. a fertilizing method for orchardgrass, is characterized in that: the urea that employing N content is 46% is as nitrogenous fertilizer, P
2o
5content is that 12% superphosphate is phosphate fertilizer, K
2o content is that 25% potassium sulfate is potash fertilizer; First using whole phosphate fertilizer, apply in cultivating soil as base manure with 45% nitrogenous fertilizer and potash fertilizer, in tillering stage, using 25% nitrogenous fertilizer and potash fertilizer as topdressing and apply for the first time, the nitrogenous fertilizer of residue 30% and potash fertilizer mean allocation after each harvesting applies; Described amount of application of nitrogen fertilizer is 522kg/hm
2 ,phosphate fertilizer amount is 236kg/hm
2 , K Amounts is 640kg/hm
2 ; Described cultivating soil is brown paddy soil, and soil property is sandy loam, and soil nutrient status is: 0~20cm soil layer content of organic matter is 9.39%, ammonium nitrogen 0.13g/kg, and available phosphorus 0.389g/kg, available potassium 0.044g/kg, pH is 6.5.
2. fertilizing method as claimed in claim 1, carries out as follows:
A. unit are amount of urea is 522kg/hm
2 , superphosphate consumption is 236 kg/hm
2 , potassium sulfate consumption is 640kg/hm
2 ;
B. in the previous day of planting, using whole phosphate fertilizer, 45% nitrogenous fertilizer and potash fertilizer as base manure and fine earth impose on equably cultivating soil railway carriage or compartment face after mixing, cover; Soil types: brown paddy soil, soil property is sandy loam, soil nutrient status is: 0~20cm soil layer content of organic matter is 9.39%, ammonium nitrogen 0.13g/kg, available phosphorus 0.389g/kg, available potassium 0.044g/kg, pH is 6.5;
C. in tillering stage, using 25% nitrogenous fertilizer and potash fertilizer as topdressing and apply for the first time;
D. after each harvesting, mean allocation applies nitrogenous fertilizer and the potash fertilizer that remains 30%: when harvesting twice, use 15% at every turn; When harvesting three times, use 10% at every turn, the like.
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CN103975677B (en) * | 2014-03-05 | 2016-01-27 | 中国科学院南京土壤研究所 | Applying method joined by pig manure under Upland Red Soil peanut cassava radish Optimization Planting Models and chemical fertilizer |
CN103931463B (en) * | 2014-04-24 | 2015-09-23 | 山东省农业科学院农业资源与环境研究所 | Utilize the fruit tree integral fertilization method of waste bacterial slag |
CN104429264B (en) * | 2014-11-13 | 2016-07-27 | 沈阳远大科技园有限公司 | By detecting the method that the nutriture of crop leaf instructs fertilising |
CN104396415A (en) * | 2014-12-12 | 2015-03-11 | 苏州青青生态种植园 | Watermelon planting and topdressing method |
CN105359771A (en) * | 2015-10-10 | 2016-03-02 | 张春兰 | Method for high-yield cultivation of Sarcandraglabra (Thunb.) Nakai |
CN105493682A (en) * | 2015-12-30 | 2016-04-20 | 防城港市那旺生态农业科技有限公司 | Fertilizing method for improving sweetness of sugarcane |
CN109526341B (en) * | 2019-01-08 | 2021-01-15 | 东北农业大学 | Fertilizing method for reducing influence of low-temperature cold damage in booting stage on rice |
CN110100638B (en) * | 2019-05-23 | 2021-07-06 | 南京林业大学 | Method for increasing content of flavonoids in ginkgo leaves |
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