Method for improving and fertilizing asparagus field by replacing chemical fertilizer with biogas slurry
A technology of biogas slurry and chemical fertilizer, which is applied in fertilization methods, liquid fertilizer, organic fertilizer preparation, etc., can solve problems such as low soil fertilizer efficiency, asparagus quality decline, and soil acidification, so as to achieve sufficient raw material sources, facilitate promotion, and reduce Effect of Fertilizer Amount
Pending Publication Date: 2021-09-28
ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Problems solved by technology
[0003] The purpose of the present invention is to provide a method for biogas slurry to replace chemical fertilizers to improve the fertilization of asparagus fields, so as to solve the existing problems: soil acidification caused by long-term application of chemical fertilizers, low soil fertilizer efficiency and asparagus quality decline, etc.
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Embodiment 1
[0042] Embodiment one: vegetable base field test improvement effect: adopt randomized block test design, biogas slurry replacement chemical fertilizer ratio is respectively 0% (conventional chemical fertilizer treatment, NPK), 25%, 50%, 75% and 100% nitrogen fertilizer application amount and One no fertilization treatment (CK), 6 treatments in total, 3 replicates for each treatment. Among them, the chemical fertilizer application rate of conventional fertilization treatment is 360kg N ha -1 , N:P 2 o 5 :K 2 O is 1:0.5:0.7. Three replicates were set up for each treatment, a total of 18 plots were arranged in random blocks. Two ridges of asparagus are planted in each plot. The length of the ridge is 6m, the width of the ridge is 1m, and the width of the furrow is 1m. The area of a single plot is 24m 2 . The soil texture of the test is sandy loam on the river beach, and the soil organic matter content is 17.54g kg -1 , total nitrogen content 0.88g kg -1 , total phosphor...
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The invention discloses a method for improving and fertilizing the asparagus field by replacing the chemical fertilizer with biogas slurry, and relates to the technical field of land resource protection and comprehensive green utilization of agricultural waste resources. The method comprises the following steps: preparing a biogas slurry stock solution; applying biogas slurry and a chemical fertilizer to jointly adjust the soil acidity; applying the biogas slurry and the chemical fertilizer to promote the improvement of the soil fertility and the asparagus quality. Compared with single application of the chemical fertilizer, the method for improving, fertilizing and acidifying asparagus field soil through combined application of the biogas slurry and the chemical fertilizer has the advantages that the problems of ecological digestion and comprehensive green utilization of the biogas slurry are solved, and a series of problems of soil acidification, low soil fertilizer efficiency utilization rate, asparagus quality reduction and the like caused by long-term application of the chemical fertilizer are solved; compared with single application of the chemical fertilizer, the method for improving and fertilizing the acidified soil of the asparagus field by replacing the chemical fertilizer with the biogas slurry has the advantages that the problem of high cost of single application of the chemical fertilizer is solved, the advantages of nutrients in the biogas slurry and the chemical fertilizer are complemented, the quality of the asparagus is improved, and the problem of resource utilization of the biogas slurry is solved.
Description
technical field [0001] The invention belongs to the technical field of land resources protection and comprehensive green utilization of agricultural waste resources, and in particular relates to a method for improving and fertilizing asparagus fields with biogas slurry instead of chemical fertilizers. Background technique [0002] The existing methods of using chemical fertilizers to improve and fertilize asparagus fields still have certain shortcomings. The long-term application of chemical fertilizers will cause soil acidification, low soil fertilizer efficiency, and asparagus quality decline. To improve, a method for biogas slurry to replace chemical fertilizers to improve asparagus fields was proposed. Contents of the invention [0003] The purpose of the present invention is to provide a method for improving and fertilizing asparagus fields with biogas slurry instead of chemical fertilizers, so as to solve the existing problems: soil acidification caused by long-term ...
Claims
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Patent Timeline
Login to view more IPC IPC(8): A01G22/10A01C21/00C05F17/00C05G3/80C05G5/20
CPCA01G22/10A01C21/005C05F3/00C05F17/00C05G3/80C05G5/20C05F11/00Y02W30/40
Inventor 柴彦君江建锋王宏航李子川张进孟俊平立凤
Owner ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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