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Farmland multifunctional plant buffer strip and application thereof

A plant buffer zone and multi-functional technology, applied in the field of farmland ecological environment improvement, can solve problems such as poor resistance to diseases and insect pests, prominent farmland non-point source pollution, etc., achieve significant economic value, protect against pollution, and enhance crop diversity.

Pending Publication Date: 2020-12-11
AGRO ENVIRONMENTAL PROTECTION INST OF MIN OF AGRI
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Problems solved by technology

[0006] The present invention aims to construct a farmland multifunctional plant buffer zone for the Huanghuaihai River Basin, and apply it to the improvement of the farmland ecological environment to solve the problem of prominent non-point source pollution of farmland in this area and poor resistance to diseases and insect pests caused by single planting of crops technical issues

Method used

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  • Farmland multifunctional plant buffer strip and application thereof
  • Farmland multifunctional plant buffer strip and application thereof
  • Farmland multifunctional plant buffer strip and application thereof

Examples

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Effect test

Embodiment 1

[0050] Example 1: Method for constructing plant buffer zone in farmland in Huanghuaihai River Basin

[0051] (1) During the spring-summer sowing season (March-August), for fields surrounded by rivers 5 and roads 4, plant buffer structures should be established in the following manner (see figure 1 , figure 2 ):

[0052] (1.1) Between fields and rivers:

[0053] In the farmland, after sowing and planting are completed, use mint, alfalfa, and shrub willow to construct the shrub-grass buffer zone 1 between the field and the river / ditch. The edge of the field is mainly planted with a mint belt 12, and the slope is constructed. Alfalfa 13, the total bandwidth of the two is not less than 2.0m, and a shrub willow belt 14 is planted near the waterline, with a width of 1.0m, and the sequence is arranged from the field to the river: mint, alfalfa and shrub willow, such as figure 2 shown. The buffer zone has multiple functions such as honey source, green manure, water purification,...

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Abstract

The invention discloses construction and application of a farmland multifunctional plant buffer strip, and aiming at spring and summer crops and summer and autumn crops, a plant buffer structure system is established between a field and a river channel or a ditch, between a field and a road, and between fields according to different plant matching modes. Plants which are high in environmental adaptability, good in landscape effect and remarkable in economic benefit and ecological benefit are selected on the basis of climate, water quality and soil quality of the Huang-Huai-Hai basin, so that the matched plant buffer strip has the capacity of intercepting and filtering nitrogen and phosphorus elements in runoff water, field non-point source pollutants can be prevented from directly flowinginto a natural ecological system, river water areas are protected against pollution, agricultural production and the ecological environment are optimized, sustainable development of agricultural economy is facilitated, and development of the ecological sightseeing tourism industry is promoted.

Description

technical field [0001] The invention relates to the technical field of farmland ecological environment improvement, in particular to a farmland multifunctional plant buffer strip and its application. Background technique [0002] The Huang-Huai-Hai Plain is one of the main crop producing areas in my country, mainly including Shandong Province, Henan Province, central and southern Hebei Province, Anhui Province and northern Jiangsu Province. The investment is extremely high, and the non-point source pollution caused by it is prominent. [0003] Investigations and studies have shown that the average single-season nitrogen and phosphorus fertilizer consumption in the main vegetable producing areas of the Huanghuaihai Plain is 523.2kg / ha and 360.6 kg / ha (pure conversion), and the pesticide consumption is 27.1kg / ha. Due to excessive fertilization, the accumulated available nitrogen and phosphorus in the soil of some vegetable areas reached 186.7mg / kg and 302.2mg / kg respectively, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/32E02B3/00E02B5/00E02B5/08A01G17/00A01G20/00A01G22/60
CPCA01G17/005A01G20/00A01G22/60C02F3/32C02F2103/007C02F2203/006E02B3/00E02B5/00E02B5/08
Inventor 李洁李永强张贵龙刘红梅赵建宁杨殿林
Owner AGRO ENVIRONMENTAL PROTECTION INST OF MIN OF AGRI
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