Biomass particle carbon matrix controlled release fertilizer special for tuber mustard and preparation method thereof

Abstract

The invention discloses a biomass particle carbon matrix controlled release fertilizer special for tuber mustard and a preparation method thereof. The preparation method comprises the steps of: taking particle carbon prepared from agricultural discarded biomasses such as cobs, peanut shells, rice husks and edible fungi matrixes as a matrix material, and compounding the particle carbon with nitrogen, phosphorus, potassium and other nutrient elements required for growth and development of the tuber mustard to prepare the granular biomass carbon matrix controlled release fertilizer special for the tuber mustard by using multiple micropores and strong adsorption capacity of the particle carbon. The biomass particle carbon used in the method is black biomass particle carbon formed through incomplete combustion of the agricultural discarded biomasses under a low-oxygen condition, has multiple characteristics similar to that of soil humus, very strong capacity of adsorbing and maintaining nutrients and moisture and good slow release performance on nitrogen, phosphorus and potassium and can also stimulate the growth of crops; the slow release fertilizer prepared from the biomass particle carbon can effectively meet the requirement on the nutrients of the tuber mustard in the whole growth period by application for one time, has the characteristics of increasing soil fertility, improving soil structure and being efficient and environment-friendly and is beneficial to large-scale popularization and application in tuber mustard production.

Description

[0001] technical field [0002] The invention belongs to the technical field of agricultural fertilizer production, and in particular relates to a special slow-release fertilizer for pickled mustard with biomass granular carbon as a substrate and a preparation method thereof. Background technique [0003] In mustard production, rational fertilization is an important measure to ensure yield and quality. Mustard mustard is an annual crop with a long growth period and a crop that absorbs more nutrients. Different growth periods, mustard mustard has different needs for various nutrients. In the early stage of growth, the growth of stems and leaves is the main factor, and it absorbs a lot of nitrogen fertilizer. At the same time, a certain amount of phosphorus fertilizer should be added to promote root development. The supply of nitrogen fertilizer in the middle and late stages of growth should not be too much, so as not to cause excessive growth, but there should be sufficien...

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Problems solved by technology

In the burning season, there have been many incidents where flights could not land and highways were forced to close due to the smog in the sky, which not only wasted a lot of precious resources, but also brought serious pollution to the environment.