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Flower and plant combination for increasing natural enemies and controlling pests in double-cropping rice field in Central China and application

A flower and rice field technology, applied in the field of flower combination and application, can solve problems such as poor function, achieve the effect of moderate number of plant species, improve landscape aesthetic effect, and reduce dependence

Inactive Publication Date: 2020-05-29
AGRO ENVIRONMENTAL PROTECTION INST OF MIN OF AGRI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Natural vegetal buffers are the result of natural succession and can conserve and maintain agricultural biodiversity, but their function in serving farmland production is poor

Method used

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  • Flower and plant combination for increasing natural enemies and controlling pests in double-cropping rice field in Central China and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Example 1: The preferred combination of flowers and plants

[0024] In terms of mass percentage, the preferred combination of flowers and grasses includes: 30% of Gramineae vetiver, 15% of Paspalum bistica, 15% of Leguminosae red clover, 10% of Deerweed, 10% of Asteraceae pyrethrum, Cnidium 10% of Umbelliferae, Sesame 10% of Flaxaceae.

Embodiment 2

[0025] Example 2: Conservation of Biodiversity in Paddy Field Systems by Artificial Plant Buffer Zones

[0026] Three test points were selected in the contiguous planting area of ​​intensive double-cropping rice fields in Jiangxi, and the distance between the test points was greater than 1 km. Each test site is set up in pairs of treatment plots and control plots, and the distance between the two plots is greater than 200 meters. The treatment plot refers to the paddy field with a plant buffer zone built on the edge of the field with the preferred combination of flowers and plants (the part of the plant buffer zone is deducted), and the control plot refers to the paddy field without any changes in the normal intensive operation. The use of herbicides and pesticides is prohibited in the test area. During the rice growing season, comprehensively use mechanical flukes and insect nets to collect arthropod specimens in the sample plot, identify arthropod species, and count the num...

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Abstract

The invention discloses a flower and plant combination for increasing natural enemies and controlling pests in a double-cropping rice field in Central China and application. The flower and plant combination covers five families and seven varieties of herbs, the number of plant varieties is moderate, management and protection are simple, and the plant morphological structure and ecological functionmatching are scientific and reasonable. The flower and plant combination is used for constructing an artificial plant buffer zone in the double-cropping rice field in Central China, firstly, malignant weeds can be inhibited, the habitat and reproduction land of small and medium-sized animals and arthropods in a rice field system is optimized, and the biological diversity (species variety and abundance) of a farmland is increased; secondly, various natural enemies can be conserved to enable the farmland to be treated as source regions of the natural enemies of the rice field; in addition, ricestem borers can be attracted to a flower and plant zone and are intensively killed by the natural enemies, thus a continuous and stable prevention and control effect on rice stem borer populations isachieved, and the dependence of an intensive paddy field on chemical pesticides is remarkably reduced, and as a result, the green, efficient and sustainable development of agriculture and the qualitysafety of agricultural products are supported, and the landscape aesthetic effect of the rural paddy field is improved.

Description

technical field [0001] The invention belongs to the technical field of farmland ecological enhancement, and relates to a combination of flowers and plants for increasing natural enemies to control pests in a double-cropping paddy field in Central China and its application. Background technique [0002] Rice is the world's main food crop. Nearly half of the world's population uses rice as a staple food. In China, rice is the largest food crop. Double-cropping rice is a rice farming system in which one crop of early rice is planted, another crop of late rice is planted, and two crops of rice are harvested in the same paddy field. The double-cropping rice cultivation area in Central China starts from the coast of the East China Sea in the east, extends to the west edge of the Chengdu Plain in the west, borders the Nanling Mountains in the south, and borders the Qinling Mountains and Huaihe River in the north, including 8 provinces of Jiangsu, Shanghai, Zhejiang, Anhui, Jiangxi,...

Claims

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Application Information

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IPC IPC(8): A01G22/22A01G13/00A01G20/00A01G22/00A01G22/60A01B79/02
CPCA01B79/02A01G13/00A01G20/00A01G22/00A01G22/22A01G22/60
Inventor 张艳军杨殿林
Owner AGRO ENVIRONMENTAL PROTECTION INST OF MIN OF AGRI
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