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Construction method of ecologically-friendly park for systematically controlling agricultural pollution

A technology for agricultural pollution and construction methods, applied in agriculture, land preparation methods, agricultural machinery and tools, etc., can solve problems such as the lack of technical models for agricultural pollution, and the lack of overall and systematic agricultural pollution prevention and control policy frameworks, etc., to achieve low cost Effect

Inactive Publication Date: 2011-06-01
HUNAN AGRICULTURAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The prevention and control of agricultural pollution in my country lacks technical models suitable for different regions, and there is no overall and systematic policy framework for the prevention and control of agricultural pollution. Therefore, it is of great significance to develop and build an ecological park that systematically controls agricultural pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] (1) Select a plot of 30m×20m as the experimental area for planting, and construct according to the foundation construction method in this ecological garden, divide the farmland into blocks, each block is a plot, and there are 6 plots in total, each with an area of ​​100m 2 , the test area was separated by field ridges and treated with anti-seepage, the ridge height was 20cm, the width was 40cm, the catchment canal was set inside the boundary of the plot, the width was 10cm, the depth was 5cm, and the catchment canal was 30m long; the ecological ditch was set on the periphery of the farmland, and the section of the ecological ditch was trapezoidal. The upper width is 1m, the lower width is 0.5m, and the depth is 0.94m. The ecological ditch is 60m long; the entire ecological ditch is designed in three sections: the first 1 / 5 of the length is a grass filter belt composed of ordinary grass, which is used to intercept particle pollutants in runoff and buffer efficiency; the m...

Embodiment 2

[0042] (1) Select 12000m 2 According to the construction method of the basic engineering in this ecological park, the farmland is divided into blocks, and there are 2 large areas in total, each with an area of ​​6000m 2 , and each large area is divided into 30 sub-districts on average, and each sub-district has an area of ​​200m 2 ; Water catchment ditches are set inside the borders of each community, 10cm wide, 5cm deep, and each 100m long. Ecological ditches are respectively set up on the periphery of each area. The length of the strip is 500m, and the entire ecological ditch is designed in three sections: the first 1 / 5 length is a grass filter belt composed of ordinary grasses, which are used to intercept particulate pollutants in the runoff and buffer performance; the middle 2 / 5 length is planted with wild water spinach; the last 2 / 5 of the length is a biological filter system constructed of zeolite and calamus. The bottom layer is covered with zeolite with a thickness of...

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Abstract

The invention provides a construction method of an ecologically-friendly park for systematically controlling agricultural pollution. The method comprises constructing infrastructures and optimizing a production mode and particularly comprises the following steps of: constructing a catchment ditch and an ecological ditch on the inner side and the periphery of a farmland respectively; applying fertilizers including compost pig manure and a chemical fertilizer during crop cultivation and collecting produced runoff into the ecological ditch through the catchment ditch for treatment; mixing a green feed and a concentrated feed produced by crop cultivation in a certain ratio for feeding live pigs and applying straw to composting and field returning; and introducing manure and urine produced by live pig cultivation into a marsh gas tank for fermenting, wherein produced marsh gas is used for supplying energy for people in daily life and the pig manure is composted for fertilizer application to crop cultivation. Through the method, loss of pollutant is controlled comprehensively, the aim of reducing agricultural pollution is fulfilled, investment is small and multiple benefits are achieved; moreover, the method is suitable for multiple conditions.

Description

technical field [0001] The invention belongs to the field of systematic control of agricultural pollution, in particular to a method for constructing an ecological garden for systematic control of agricultural pollution. Background technique [0002] At present, agricultural pollution has become the primary factor affecting my country's water environment, especially threatening the safety of drinking water sources. Agricultural non-point source pollution has the characteristics of large volume, wide area, strong transient nature, and complex composition. The reduction and control technology of its pollution production and discharge has become a major technical challenge in the current environmental field. The prevention and control of agricultural pollution is not only related to agriculture and regional society. The sustainable development of the economy is also related to the solution of the country's "three rural issues" and ecological security. [0003] The prevention a...

Claims

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Application Information

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IPC IPC(8): E02B13/00A01B79/00A01K67/02C02F11/04C05F17/00
CPCY02E50/343Y02W30/40
Inventor 吴根义许振成杨慧娟苏文幸
Owner HUNAN AGRICULTURAL UNIV
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