Method for improving soil by using bamboo wastes

A technology for improving soil and waste is applied in the field of pollution-free multi-functional soil conditioner manufacturing to achieve the effects of saving the amount of chemical fertilizers and pesticides, contributing to the safety of agricultural products, and improving soil properties.

Inactive Publication Date: 2010-09-29
ZHEJIANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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  • Method for improving soil by using bamboo wastes
  • Method for improving soil by using bamboo wastes
  • Method for improving soil by using bamboo wastes

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0022] Example 1

[0023] The bamboo shavings (that is, the powdery bamboo sawdust) are directly applied to the soil, and the amount of 0.05-10 tons / ha of soil can be applied to the roots of the crops. Using discarded bamboo sawdust, the test shows that bamboo sawdust can release 0.34mg / g of NH 4 -N, 0.063mg / g of NO 3 -N and 0.031mg / g PO 4 3- P.

Example Embodiment

[0024] Example 2

[0025] The raw material bamboo leaves, bamboo shavings, bamboo strips, and bamboo knots that appear in the bamboo production or processing process are pulverized into powder, and the bamboo waste powder is mixed with basal fertilizer and chemical fertilizer. The weight ratio of bamboo waste powder: basal fertilizer and chemical fertilizer The mixture is 1:0.01-2, and the mixture is applied to the roots of the crops according to the usual amount of base fertilizer and chemical fertilizer. It can reduce the amount of base fertilizer and chemical fertilizer.

Example Embodiment

[0026] Example 3

[0027] The bamboo waste is carbonized and then applied to the soil. The waste bamboo scraps are air-dried and then added to the reactor, carbonized for 1 hour at 600°C under oxygen-limited conditions, and activated by steam at 650°C for 0.5 hours. Get bamboo charcoal, see the morphology of bamboo charcoal surface figure 1 -a, the yield is 17%, and its C element content is as high as 96.61%. The test shows that the bamboo charcoal can release 0.34mg / g of NH 4 -N, 0.063mg / g of NO 3 -N and 0.031mg / g PO 4 3- P. It can be applied on the roots of crops at the amount of 0.05-5 tons / ha of soil.

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Abstract

The invention relates to a method for improving soil by using bamboo wastes. The method comprises the following steps of: directly applying the bamboo wastes to the soil or carbonizing the bamboo wastes into bamboo charcoal and applying the bamboo charcoal to the soil; and smashing bamboo waste raw materials comprising bamboo leaves, bamboo litter, bamboo splints and bamboo joints into powder or carbonizing the bamboo waste raw materials into bamboo charcoal and applying the smashed bamboo waste raw materials or the bamboo charcoal to the roots of crops, wherein the bamboo wastes are applied separately or applied together with a base fertilizer and a chemical fertilizer. The method used in the invention is simple, has low cost, has the effects of reducing the loss of chemical fertilizer and pesticide, preserving fertility and improving fertility, improving the air permeability and the water-retaining property of the soil and reliving soil acidification, has no secondary pollution, belongs to waste resource recycling and has remarkably ecological benefit and environmental benefit.

Description

technical field [0001] The invention relates to the application of bamboo waste in soil improvement, which belongs to the technical field of manufacturing method of pollution-free multifunctional soil improver. The air permeability and water retention of the soil can alleviate the phenomenon of soil acidification. Background technique [0002] At present, in order to increase the production of agricultural crops such as food, fruits and vegetables, a large amount of chemical fertilizers, pesticides, and herbicides are widely used in the growth process. While people are blindly pursuing the simple productive growth of the agricultural economy, it has led to soil acidification. , seriously damaged the natural ecological environment, and brought a large amount of harmful substance residues to crops such as food, fruits and vegetables, therefore, not only caused serious agricultural pollution, but also damaged human health. [0003] At present, most of the soil conditioners use...

Claims

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Application Information

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IPC IPC(8): A01B79/02
Inventor 楼莉萍许涛张奇春王光火曹汝坤徐百龙吴淼龙陈英旭
Owner ZHEJIANG UNIV
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