Blended facility vegetable field soil conditioner taking charcoal as matrix and preparation method thereof
A soil conditioner, biochar technology, applied in fertilization devices, fertilizer mixtures, applications, etc., can solve problems such as affecting sustainable utilization, and achieve the effects of benefiting soil microbial habitat and activities, improving utilization, and reasonable compatibility
Inactive Publication Date: 2012-12-05
SHENYANG INST OF APPL ECOLOGY CHINESE ACAD OF SCI
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Problems solved by technology
[0007] The object of the present invention is to provide a kind of mixed-type facility vegetable field soil conditioner using biochar as the substrate and its preparation method, which is a kind of biochar, wheat Rice stone powder, zeolite powder, and lime nitrogen are used as the main raw materials to make a mixed-type facility vegetable field soil conditioner, which is used to prevent and control facility vegetable field diseases, improve fertilizer utilization, reduce soil bulk density, improve soil buffer performance, and solve facility vegetable field problems. Problems affecting the sustainable use of fields due to the decline in soil quality
Method used
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Embodiment 1
[0030] Mix 10 kg of medical stone powder passing through a 60 mesh sieve, 10 kg of zeolite powder passing through a 60 mesh sieve, and 10 kg of granular lime nitrogen, mix evenly, and then mix with 70 kg of biochar passing through a 20 mesh sieve, fully stir, and mix After uniformity, make soil conditioner.
Embodiment 2~10
[0032] The difference from Example 1 is that the ratio of raw materials is different (see Table 1), and the preparation method is the same as that of Example 1.
[0033] Table 1
[0034]
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Abstract
The invention relates to an agricultural waste recycling technology and a soil fertilizer technology, in particular to a blended facility vegetable field soil conditioner taking charcoal as a matrix and a preparation method thereof. The blended facility vegetable field soil conditioner comprises the following components in percentage by weight: 60 to 80 percent of charcoal, 5 to 15 percent of medical stone powder, 5 to 15 percent of zeolite powder and 5 to 15 percent of lime nitrogen. The method for preparing the soil conditioner comprises the following steps of: mixing and stirring the medical stone powder which is sieved with a 60-mesh sieve, the zeolite powder which is sieved with a 60-mesh sieve and the granular lime nitrogen uniformly, mixing the mixture with the charcoal, and stirring uniformly to prepare the soil conditioner. The method is simple and pollution-free, the volume weight of soil can be reduced, the buffer performance of the soil can be improved, the utilization rate of fertilizer nitrogen and phosphorus can be improved, and an effect of preventing and controlling soil-borne diseases is achieved.
Description
technical field [0001] The invention relates to agricultural waste recycling technology and soil fertilizer technology, in particular to a mixed-type facility vegetable field soil conditioner with biochar as a substrate and a preparation method thereof. Background technique [0002] The cultivated area of protected vegetables in China is nearly 2.8 million hectares, with the following characteristics: First, high utilization intensity, high utilization frequency, high multiple cropping index, and high planting density. Facility vegetable fields are recycled, and there is basically no fallow period; second, the amount of fertilizer is large, whether it is chemical fertilizer or organic fertilizer, which far exceeds the crop demand, and excessive nitrogen fertilizer application is very common. A large amount of fertilization causes soil nitrate to accumulate, which infiltrates into groundwater through leaching, posing a potential threat to drinking water safety; the third is...
Claims
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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G3/80
Inventor 姜勇张玉革陈利军徐柱文王汝振
Owner SHENYANG INST OF APPL ECOLOGY CHINESE ACAD OF SCI
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