Greenhouse vegetable soil conditioner compatible with CO2 fertilizer application and preparation method thereof

Abstract

The invention relates to a greenhouse vegetable soil conditioner compatible with CO2 fertilizer application and a preparation method thereof. The greenhouse vegetable soil conditioner of the invention is prepared by grinding an agricultural waste, namely, crop straw serving as a main body, adding a conditioner and a microbial agent according to proportion for static composting and determining an optimal maturity extent by optimizing stack-turning time and stack-turning frequency. Aiming at the degenerative characteristic of the quality of greenhouse vegetable soil, the greenhouse vegetable soil conditioner can remarkably improve the physical and chemical properties of the soil, lower salt content, improve the workability of the soil, prevent and control continuous cropping obstacles of the soil, can remarkably enhance the CO2 concentration in a greenhouse so as to improve the photosynthesis of a crop, remarkably increases crop yield on the basis of improving the sustainable productioncapacity of the greenhouse vegetable soil and is a greenhouse vegetable soil conditioner compatible with the CO2 fertilizer application; and the soil conditioner has wide raw material source and simple and convenient preparation process and is suitable for large-area popularization and application in China.

Description

technical field [0001] The invention relates to a soil improver for facility vegetable fields and a preparation method thereof, in particular to 2 A soil improver for fertilization and a preparation method thereof belong to the field of agricultural technology. Background technique [0002] Since the mid-1990s, my country's protected vegetable cultivation area has been ranked first in the world, and has reached 2.8 million hm 2 , accounting for more than 80% of the total area of ​​vegetable facilities in the world. my country's facility vegetables use 20% of the vegetable land area, providing 40% of the vegetable output and 60% of the output value. The facility vegetable industry has become the pillar industry of agriculture in many areas of our country. However, farmers’ one-sided pursuit of high yields has been widespread for a long time, and unreasonable input of chemical fertilizers, pesticides and other agrochemicals is very common, resulting in the degradation of soi...

AI Technical Summary

Problems solved by technology

However, at present, modern scientific methods and awareness of straw utilization have not yet been established, and the efficiency of straw utilization is low. A considerable part of straw is incinerated or discarded. It is not uncommon for highways to be closed and planes to fail to land normally due to straw burning every year, resulting in serious waste of resources. and environmental pollution

[0004] At present, there are few reports on soil improvers for facility vegetable fields. Chinese patent CN101531905 (200910071795.4) discloses a secondary salinization conditioner for facility gardening soil and its preparation method, which uses weathered coal or lignite, zeolite and vermiculite to prepare soil Improver prevents secondary salinization of soil; Chinese patent CN101368103 (200710012471.4) discloses a soil conditioner and preparation method for preventing and controlling vegetable nitrate pollution in facilities, using DCD, DMPP, zeolite, etc. to prepare soil improver Control nitrate pollution; such patents are only aimed at a certain aspect of soil quality degradation in facility vegetable fields, and the source of raw materials is limited, and the production process is relatively complicated, which greatly affects its wide-scale application

Comprehensive analysis At present, there is no soil conditioner that is aimed at the degradation characteristics of soil quality in my country's protected vegetable fields, has a wide range of raw material sources, and has a simple production process, especially considering the CO2 in the facility. 2 There is no relevant report on the soil conditioner for fertilization

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