Method for rapidly fertilizing soil of newly built terraced field in loess hilly area
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A technology for hills and loess, applied in the field of rapid fertilization of newly built terraced fields in loess hilly areas, can solve the problems of few soil microorganisms, low soil fertility, low organic matter content, etc. Effect
Pending Publication Date: 2022-04-15
宁夏农林科学院荒漠化治理研究所 +1
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[0004] The purpose of the present invention is to provide a method for rapid soil fertilization of newly built terraced fields in the loess hilly area, so as to overcome the
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Embodiment 1
[0035] Quickly fertilize the newly built terrace soil in the loess hilly area, the specific method is as follows:
[0036] (1) Deeply loosen the land by 60cm, break the soil block and level it, and then apply fertilizer, which is sheep manure, urea, nitrophosphate fertilizer, potassium chloride and ammonium sulfate in a mass ratio of 16:4:2:3:2 It is prepared in a proportion of 3200kg / mu;
[0037] (2) sludge, cow dung and straw are mixed in a mass ratio of 13:6:2, and EM bacterial agent (addition amount is 0.2% of the total mass of sludge, cow dung and straw) is fermented, and the temperature of fermentation is 60°C for 72 hours to obtain the fermentation product;
[0038] (3) Apply the fermentation product on the top of the fertilizer, laying a thickness of 10cm, and sprinkle a soil conditioner, the soil conditioner is ammoniated humic acid, fly ash, chitosan prepared in a mass ratio of 8:4:5 The application amount is 45kg / mu, and the land is plowed 25cm deep;
[0039] (4)...
Embodiment 2
[0041] Same as Example 1, the difference is that the fertilizer is prepared from sheep manure, urea, nitrophosphate fertilizer, potassium chloride and ammonium sulfate in a mass ratio of 15:5:1:4:1.
Embodiment 3
[0043] Same as Example 1, the difference is that the fertilizer is prepared from sheep manure, urea, nitrophosphate fertilizer, potassium chloride and ammonium sulfate in a mass ratio of 20:3:3:2:3.
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Abstract
The invention discloses a rapid soil fertilizing method for a newly built terraced field in a loess hilly area, and belongs to the technical field of soil fertilizing. The fertilizing method comprises the following steps: deeply ploughing a land, and then applying a fertilizer; sludge, cow dung and straw are mixed, an EM microbial agent is added for fermentation, and a fermentation product is obtained; the fermentation product is applied to the upper portion of the fertilizer, and a soil conditioner is spread; healthy earthworms are added into the soil, and a water-retaining agent is spread. The components such as the fertilizer, the soil conditioner and the water-retaining agent are reasonably blended, all the raw materials interact, all the steps supplement one another, the content of organic matter, the content of nitrogen, phosphorus and potassium, the content of water and the like in soil is increased to a certain level, the soil fertility is improved, the soil structure is improved, and the method has great significance in promoting high-quality development of agriculture.
Description
technical field [0001] The invention relates to the technical field of soil fertilization, in particular to a method for rapid soil fertilization of newly built terraced fields in the loess hilly area. Background technique [0002] Building terraced fields in the loess hilly area can serve the purpose of storing precipitation, reducing soil erosion, improving the ecological environment, and developing agricultural production. However, the newly built terraces are often exposed to bare soil, and the soil fertility is severely reduced. This is manifested in poor soil permeability and water permeability, low soil fertility, low organic matter content, and few soil microorganisms. The agricultural ecological environment of the soil is poor, resulting in poor growth and development of crops. Yields were low and erratic, and the productive capacity of farmland was severely damaged. Therefore, it is necessary to take effective methods to fertilize and improve the soil to effective...
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