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Flower and grass combination for increasing natural enemies to control pests in single cropping rice field in northeast China and application

A technology of flowers, plants and natural enemies, which is applied to the combination and application fields of flowers and plants to increase natural enemies to control pests in single-season rice fields in Northeast China, can solve problems such as poor function, achieve simple management and maintenance, improve landscape aesthetic effects, and scientifically match plant morphological structure and ecological functions. reasonable effect

Inactive Publication Date: 2020-05-29
AGRO ENVIRONMENTAL PROTECTION INST OF MIN OF AGRI
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  • Description
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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 grass combination for increasing natural enemies to control pests in single cropping rice field in northeast China and application

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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 flower and herb combination plant species include: Gramineae 25%, Stem bentgrass 25%, Leguminous alfalfa 15%, White clover 10%, Compositae chrysanthemum 5% %, whole-leaf Malan 5%, Cnidium 7% of Umbelliferae, and European mountain mustard of Cruciferae 8%.

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 ​​the intensive single-crop early rice field in Heilongjiang, 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 cou...

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Abstract

The invention discloses a flower and grass combination for increasing natural enemies to control pests in a single cropping rice field in northeast China and application. The flower and grass combination covers 8 species of herbs in 5 families, the number of plant species is moderate, the selected plants are cold-resistant, tramp-resistant, and simple to manage and protect, and the plant morphological structure and ecological function are scientifically and reasonably matched. The flower and grass combination is used to construct artificial plant buffer zones in the single cropping rice fieldin northeast China, first, the habitat of small and medium-sized animals and arthropods in a rice field system can be reconstructed, farmland biodiversity (species types and abundance) is increased, secondly, a variety of natural enemies can be kept to control crop pests, in addition, the spread of weeds can be suppressed, the dependence of intensive farmland on chemical pesticides is significantly reduced, so that green and efficient sustainable development of agriculture and the quality and safety of agricultural products are supported, and the aesthetic effect of rural rice fields 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 single-crop paddy field in Northeast 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. Single-cropping rice refers to the rice planting system of once a year. The Northeast single-cropping rice area is located in the north of the Liaodong Peninsula and the Great Wall, east of the Great Khingan Mountains, including Hei, Jiquan, most of Liaoning and northeast Inner Mongolia, accounting for 10% of the country's rice planting area. Above, japonica rice accounts for more than 40% of the country's total. The rice in the single-cropping rice area in Northeast China is of good quality, has a large demand at home and abroad, and ha...

Claims

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Application Information

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