CN102972113A - Acid reduction and humidity regulation method for red upland soilred-soil dryland - Google Patents
Acid reduction and humidity regulation method for red upland soilred-soil dryland Download PDFInfo
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- CN102972113A CN102972113A CN2012105189044A CN201210518904A CN102972113A CN 102972113 A CN102972113 A CN 102972113A CN 2012105189044 A CN2012105189044 A CN 2012105189044A CN 201210518904 A CN201210518904 A CN 201210518904A CN 102972113 A CN102972113 A CN 102972113A
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Abstract
The invention discloses an acid reduction and humidity regulation method for the red upland soilred-soil dryland. The red upland soilred-soil dryland is covered by straws. The acid reduction and humidity regulation method for the red upland soilred-soil dryland is characterized in that alkaline acid reduction and humidity regulation composite modifying agent is applied to the red upland soilred-soil dryland before the red upland soilred-soil dryland is covered by straws; the alkaline acid reduction and humidity regulation composite modifying agent is one of calcium peroxide and magnesium peroxide; and 5.8-8.0kg of alkaline acid reduction and humidity regulation composite modifying agent is applied to each unit of area. According to the acid reduction and humidity regulation method for the red upland soilred-soil dryland, the alkaline acid reduction and humidity regulation composite modifying agent reacts with water in soil so as to provide OH<->, neutralize parts of H<+>, generate alkaline inorganic matter and oxygen and release heat; in the slow oxygen releasing process, the soil acidity is lowered, the soil redox potential is changed, the water and air ratio of the soil is regulated, the acid reduction and humidity regulation effects isare simultaneously generated to the red upland soilred-soil dryland, and the acidity, the temperature and the moisture of the red upland soilred-soil dryland covered by the spring straw can be obviously improved so as to accelerate agricultural synergy and farmer income increment; and in addition, calcium or magnesium nutrition can be provided for the crop growth and development, thereby being favorable for improving the resource use ratio.
Description
Technical field
The present invention relates to the Upland Red Soil improvement, particularly relate to the sour moisture control method of falling of a kind of Upland Red Soil.
Background technology
Be subjected to the impact of allitization pedogenesis, Upland Red Soil exists acid, glutinous, plate, thin four large obstruction factors, has seriously restricted the development of productivity of land.It also is to improve soil physical property that straw covers, and effectively increases soil organic matter content, holds natural precipitation more, reduces natural evaporation, promotes one of important measures of Cultivated-land Fertility.Yet, be subjected to the impact of monsoon climate, cause after Red Soils In A Hill Region nonirrigated farmland straw in spring covers soil temperature go up slow, soil moisture is large, the in addition obstruction factor of red soil itself, cause that spring sown crop is short of seedling, mashed seedling, weak, the disconnected ridge of seedling gesture phenomenon is serious, causes crop failure more than 10%, has restricted the performance that the Upland Red Soil straw covers ecological functions.It mainly is to use quicklime CaO and white lime Ca(OH that acid falls in existing Upland Red Soil soil)
2, because quicklime and white lime all are alkali compoundss, be manured into soil, the acidity of energy part sweetening of the soil, thus increase soil pH value; The soil moisture control method comprises takes engineering measure and intertillage to loosen the soil, and wherein engineering measure comprises drip irrigation and spray irrigation and furrow irrigation.Acid or single damping all can only singlely fall in the acid of above soil, humidity regulation method, can not fall simultaneously sour damping, and exist time-consuming, take a lot of work, problem that cost is higher.In addition, be the planting type of the straw of 2cm ~ 3cm at Upland Red Soil earth's surface cladding thickness, there are not low 1.5 ℃ ~ 2.0 ℃ of the mulching straw cultivation of soil temperature ratio in spring, humidity high (soil moisture content surpasses 30%), and the high problems such as (the pH value are 4.5 ~ 4.9) of acidity, seriously restrict straw culture underglass mode at the Upland Red Soil spread.
Summary of the invention
Technical problem to be solved by this invention is the defective that remedies above-mentioned prior art, provides falling of a kind of Upland Red Soil sour moisture control method.
Technical problem of the present invention is solved by the following technical programs.
This Upland Red Soil sour moisture control method falls, adopt straw to cover Upland Red Soil.
The characteristics of falling sour moisture control method of this Upland Red Soil are:
Adopt straw covering forward direction Upland Red Soil to spread fertilizer over the fields alkalescence at Upland Red Soil and fall sour damping composite modifying agent, it is a kind of in calper calcium peroxide and the peromag that sour damping composite modifying agent falls in described alkalescence, and every mu of amount of application that sour damping composite modifying agent falls in described alkalescence is that 5.8kg ~ 8.0kg(1 mu approximates 667m
2), water reaction in sour damping composite modifying agent and the soil falls in described alkalescence, and OH is provided
-, neutralization part H
+Generate alkaline inorganic matter and oxygen, and release heat, and oxygen discharges slowly process, and then reduces the acidity of soil, changes soil redox potential, regulate the aqueous vapor ratio of soil, to Upland Red Soil produce simultaneously fall acid with the damping effect, soil acidity moderate (the pH value is 5.3 ~ 7.7), humidity is moderate (soil moisture content is 24% ~ 28%) also.Every mu of amount of application is less than 5.8kg, and it is poor to fall sour damping effect; Every mu of amount of application is more than 8kg, and soil is alkalescence (the pH value is higher than 8.0), and humidity excessively low (soil moisture content is lower than 21%) can have a strong impact on the crop normal growth and grow.
Technical problem of the present invention is solved by following further technical scheme.
Preferably, it is calper calcium peroxide that sour damping composite modifying agent falls in described alkalescence, the name of commodity in English of calper calcium peroxide: Calcium peroxide, another name: calcium dioxide, molecular formula: CaO
2, molecular weight: 72.08, outward appearance and proterties: white crystals, odorless, tasteless has hygroscopy, is slightly soluble in water.Water reaction in calper calcium peroxide and the soil, chemical equation is: 2CaO
2+ 2H
2O=2Ca(OH)
2+ O
2↑, reaction generates slaked lime and oxygen, and release heat, and oxygen discharges slowly process, and then reduces the acidity of soil, changes soil redox potential, regulate the aqueous vapor ratio of soil, Upland Red Soil produced simultaneously fall acid and damping effect, and calper calcium peroxide can provide the nutrition of calcium element for growing of crop again.
Further preferably, described calper calcium peroxide is that purity is at least 75%, active o content is 7% ~ 11% calper calcium peroxide.
Sour damping composite modifying agent falls in the described alkalescence of spreading fertilizer over the fields, that sour damping composite modifying agent falls in row replacement alkalescence, described row replacement be crop after planting to open a width between crop row be that 10cm ~ 15cm, the degree of depth are the ditch of 8 cm ~ 10 cm, with described alkalescence fall sour damping composite modifying agent fertilizer spread fertilizer over the fields in ditch after earthing.Sour damping composite modifying agent falls in row replacement alkalescence, and availability is high, and it is effective to fall sour damping.
Sour damping composite modifying agent falls in the described alkalescence of spreading fertilizer over the fields, to mix to spread fertilizer over the fields the mixture that sour damping composite modifying agent and phosphate fertilizer fall in alkalescence, it is that the mixture that behind the crop sowing earthing described alkalescence is fallen sour damping composite modifying agent and phosphate fertilizer evenly spreads fertilizer over the fields at ground surface that described mixing is spread fertilizer over the fields, do not concentrate the root of executing crop, directly do not contact with the seed of crop.Mix and spread fertilizer over the fields the mixture that sour damping composite modifying agent and phosphate fertilizer fall in alkalescence, can avoid using separately alkalescence to fall sour damping composite modifying agent and occur spreading fertilizer over the fields inhomogeneous problem with partly flying away loss because it is lightweight, otherwise, every mu of amount of application that sour damping composite modifying agent falls in alkalescence need to increase by 10% ~ 12%, fall sour damping composite modifying agent with row replacement alkalescence and compare, guarantee to fall under the close prerequisite of sour damping effect save time, the saving of labor.
Described phosphate fertilizer is alkalescent phosphate fertilizer, and faintly acid phosphate fertilizer such as superphosphate can affect the application effect that sour damping composite modifying agent falls in described alkalescence.
Preferably, described alkalescent phosphate fertilizer is that phosphorus content is 8% ~ 14% fused calcium magnesium phosphate.
Further preferably, described fused calcium magnesium phosphate is that phosphorus content is 11% fused calcium magnesium phosphate.
The mixture that sour damping composite modifying agent and phosphate fertilizer fall in alkalescence is spread fertilizer over the fields in described mixing, be to mix to spread fertilizer over the fields the mixture that calper calcium peroxide and phosphorus content are 11% fused calcium magnesium phosphate, calper calcium peroxide and phosphorus content are that the mixed proportion of 11% fused calcium magnesium phosphate is (0.23 ~ 0.32): 1.
Technical problem of the present invention is solved by following further technical scheme.
The crop of described Upland Red Soil plantation comprises Spring Peanut, spring soybean, spring Ipomoea batatas and spring corn.
Preferably, described crop is Spring Peanut and spring soybean.
Described employing straw covers Upland Red Soil, is every mu of mulching straw 280kg ~ 320kg.
The straw of described covering usefulness is that water content is lower than 10% air-dry straw.
The present invention's beneficial effect compared with prior art is:
The inventive method is fallen water reaction in sour damping composite modifying agent calper calcium peroxide or peromag and the soil with alkalescence, and OH is provided
-, neutralization part H
+Generate alkaline inorganic matter and oxygen, and release heat, and oxygen discharges slowly process, and then reduces the acidity of soil, changes soil redox potential, regulate the aqueous vapor ratio of soil, Upland Red Soil produced simultaneously fall acid and damping effect, can obviously improve the spring straw and cover acidity, the temperature and humidity of Upland Red Soil soil, promote growth of agricultural efficiency and increasing peasant income.With mulching straw but do not spread fertilizer over the fields alkalescence and fall sour damping composite modifying agent and compare, the output of Spring Peanut, spring soybean increases by 13.3% ~ 21.5%, the crops seedling stage soil pH value improves 0.3 ~ 1, and soil redox potential (Eh) improves 18.8mV ~ 50.1 mV, and the crop germination vigor improves 8.7% ~ 16.8%.In addition, can also provide calcium element or Mg nutrient for growing of crop, be conducive to improve resource utilization.
Embodiment
The present invention will be described below in conjunction with embodiment.
Embodiment one
A kind of Upland Red Soil of planting Spring Peanut sour moisture control method falls, adopt straw 300kg/ mu to cover Upland Red Soil.
Behind the Spring Peanut sowing earthing, calper calcium peroxide is spread fertilizer over the fields at ground surface, directly do not contact with crop seed, adopt again straw to cover Upland Red Soil.
Calper calcium peroxide is that purity is at least 75%, active o content is 7% ~ 11% calper calcium peroxide, and every mu of consumption is 6.0 kg ~ 7.0kg.
Application effect: Spring Peanut output increases by 15.8% ~ 21.5%, and seedling stage, soil pH value improved 0.4 ~ 0.7, and soil redox potential (Eh) improves 22.3mV ~ 48.2mV, and the Spring Peanut germination vigor improves 8.7% ~ 14.8%.
Embodiment two
Sour moisture control method falls in a kind of Upland Red Soil of planting spring soybean, and with embodiment one, difference is substantially:
Every mu of consumption of calper calcium peroxide is 6.0 kg ~ 7.0kg.
Application effect: Yield of Spring Soybean increases by 15.3% ~ 20.8%, and seedling stage, soil pH value improved 0.6～0.8, and soil redox potential (Eh) improves 19.1 mV ~ 46.7 mV, and the spring soybean germination vigor improves 10.4% ~ 16.8%.
Embodiment three
A kind of Upland Red Soil of planting Spring Peanut sour moisture control method falls, adopt straw 300kg/ mu to cover Upland Red Soil.
The mixture that behind the Spring Peanut sowing earthing with calper calcium peroxide and phosphorus content is 11% fused calcium magnesium phosphate evenly spreads fertilizer over the fields at ground surface, does not concentrate the root of executing crop, adopts straw covering Upland Red Soil again.
Calper calcium peroxide and phosphorus content are that the mixed proportion of 11% fused calcium magnesium phosphate is 0.32: 1.
Calper calcium peroxide is that purity is at least 75%, active o content is 7% ~ 11% calper calcium peroxide, and every mu of consumption is 7.2 kg ~ 8.5kg.
Application effect: Spring Peanut output increases by 15.3% ~ 19.5%, and seedling stage, soil pH value improved 0.5 ~ 0.8, and soil redox potential (Eh) improves 20 mV ~ 48.2mV, and the Spring Peanut germination vigor improves 9.0% ~ 16.8%.
Embodiment four
A kind of Upland Red Soil of planting spring soybean sour moisture control method falls, with embodiment three, difference is substantially:
Every mu of consumption of calper calcium peroxide is 5.8 kg ~ 8.0kg.
Application effect: Yield of Spring Soybean increases by 13.3% ~ 20.4%, and seedling stage, soil pH value improved 0.6 ~ 1, and soil redox potential (Eh) improves 18.8 mV ~ 50.1 mV, and the spring soybean germination vigor improves 10.4% ~ 14.8%.
Above content is the further description of the present invention being done in conjunction with concrete preferred embodiment, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention; make without departing from the inventive concept of the premise some alternative or obvious modification that are equal to; and performance or purposes are identical, all should be considered as belonging to the scope of patent protection that the present invention is determined by claims of submitting to.
Claims (10)
- A Upland Red Soil sour moisture control method falls, adopt straw to cover Upland Red Soil, it is characterized in that:Adopt straw covering forward direction Upland Red Soil to spread fertilizer over the fields alkalescence at Upland Red Soil and fall sour damping composite modifying agent, it is a kind of in calper calcium peroxide and the peromag that sour damping composite modifying agent falls in described alkalescence, every mu of amount of application that sour damping composite modifying agent falls in described alkalescence is 5.8kg ~ 8.0kg, water reaction in sour damping composite modifying agent and the soil falls in described alkalescence, and OH is provided -, neutralization part H +, generate alkaline inorganic matter and oxygen, and release heat, and oxygen discharges slowly process, and then reduce the acidity of soil, change soil redox potential, regulate the aqueous vapor ratio of soil, Upland Red Soil is produced simultaneously fall acid and damping effect.
- Upland Red Soil as claimed in claim 1 sour moisture control method falls, it is characterized in that:It is calper calcium peroxide that sour damping composite modifying agent falls in described alkalescence.
- Upland Red Soil as claimed in claim 1 or 2 sour moisture control method falls, it is characterized in that:Described calper calcium peroxide is that purity is at least 75%, active o content is 7% ~ 11% calper calcium peroxide.
- Upland Red Soil as claimed in claim 3 sour moisture control method falls, it is characterized in that:Sour damping composite modifying agent falls in the described alkalescence of spreading fertilizer over the fields, that sour damping composite modifying agent falls in row replacement alkalescence, described row replacement be crop after planting to open a width between crop row be that 10cm ~ 15cm, the degree of depth are the ditch of 8 cm ~ 10 cm, with described alkalescence fall sour damping composite modifying agent fertilizer spread fertilizer over the fields in ditch after earthing;Sour damping composite modifying agent falls in the described alkalescence of spreading fertilizer over the fields, to mix to spread fertilizer over the fields the mixture that sour damping composite modifying agent and phosphate fertilizer fall in alkalescence, it is that the mixture that behind the crop sowing earthing described alkalescence is fallen sour damping composite modifying agent and phosphate fertilizer evenly spreads fertilizer over the fields at ground surface that described mixing is spread fertilizer over the fields, do not concentrate the root of executing crop, directly do not contact with the seed of crop.
- Upland Red Soil as claimed in claim 4 sour moisture control method falls, it is characterized in that:Described phosphate fertilizer is alkalescent phosphate fertilizer.
- Upland Red Soil as claimed in claim 5 sour moisture control method falls, it is characterized in that:Described alkalescent phosphate fertilizer is that phosphorus content is 8% ~ 14% fused calcium magnesium phosphate.
- Upland Red Soil as claimed in claim 6 sour moisture control method falls, it is characterized in that:Described fused calcium magnesium phosphate is that phosphorus content is 11% fused calcium magnesium phosphate.
- Upland Red Soil as claimed in claim 7 sour moisture control method falls, it is characterized in that:The mixture that sour damping composite modifying agent and phosphate fertilizer fall in alkalescence is spread fertilizer over the fields in described mixing, be to mix to spread fertilizer over the fields the mixture that calper calcium peroxide and phosphorus content are 11% fused calcium magnesium phosphate, calper calcium peroxide and phosphorus content are that the mixed proportion of 11% fused calcium magnesium phosphate is (0.23 ~ 0.32): 1.
- Upland Red Soil as claimed in claim 8 sour moisture control method falls, it is characterized in that:The crop of described Upland Red Soil plantation comprises Spring Peanut, spring soybean, spring Ipomoea batatas and spring corn.
- Upland Red Soil as claimed in claim 9 sour moisture control method falls, it is characterized in that:Described employing straw covers Upland Red Soil, is every mu of mulching straw 280kg ~ 320kg;The straw of described covering usefulness is that water content is lower than 10% air-dry straw.
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Cited By (8)
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| CN103202125A (en) * | 2013-04-25 | 2013-07-17 | 广东中烟工业有限责任公司 | Soil improvement method |
| CN104232098A (en) * | 2014-08-04 | 2014-12-24 | 江西省农业科学院土壤肥料与资源环境研究所 | Method for improving quality of flue-cured tobacco in red soil |
| CN104429462A (en) * | 2014-11-04 | 2015-03-25 | 湖南新宇农业科技有限公司 | Method for planting corn crop in alkalescent soil |
| CN104641757A (en) * | 2015-02-13 | 2015-05-27 | 广西壮族自治区农业科学院农业资源与环境研究所 | Red earth directed improvement method in shallow root system crop planting region |
| CN108147921A (en) * | 2017-12-22 | 2018-06-12 | 中国农业科学院衡阳红壤实验站 | A kind of deacidification promotes the red soil conditioner and its method of administration of plant growth |
| CN109168851A (en) * | 2018-08-14 | 2019-01-11 | 望谟县四海桐油福利加工厂 | A kind of method for transplanting preventing tung oil tree root rot |
| CN110337853A (en) * | 2019-07-19 | 2019-10-18 | 江西省红壤研究所 | A kind of Upland Red Soil control nitrogen fertilizing deacidification oxygenation method |
| CN115845794A (en) * | 2022-11-25 | 2023-03-28 | 佛山市南海区苏科大环境研究院 | Calcium peroxide composite material, preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103202125A (en) * | 2013-04-25 | 2013-07-17 | 广东中烟工业有限责任公司 | Soil improvement method |
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| CN108147921A (en) * | 2017-12-22 | 2018-06-12 | 中国农业科学院衡阳红壤实验站 | A kind of deacidification promotes the red soil conditioner and its method of administration of plant growth |
| CN109168851A (en) * | 2018-08-14 | 2019-01-11 | 望谟县四海桐油福利加工厂 | A kind of method for transplanting preventing tung oil tree root rot |
| CN110337853A (en) * | 2019-07-19 | 2019-10-18 | 江西省红壤研究所 | A kind of Upland Red Soil control nitrogen fertilizing deacidification oxygenation method |
| CN115845794A (en) * | 2022-11-25 | 2023-03-28 | 佛山市南海区苏科大环境研究院 | Calcium peroxide composite material, preparation method and application thereof |
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