Method for producing aquatic vegetable and green manure during crop rotation of water mimosa and paddy rice

A technology of aquatic vegetables and hydrangea, which is applied in the fields of botanical equipment and methods, rice cultivation, organic fertilizers, etc.

Active Publication Date: 2016-10-12
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition to its edible value, Albizia juniper has few diseases and insect pests, does not need to use a large amount of pesticides, and is easy to manage, which is conducive

Method used

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  • Method for producing aquatic vegetable and green manure during crop rotation of water mimosa and paddy rice
  • Method for producing aquatic vegetable and green manure during crop rotation of water mimosa and paddy rice
  • Method for producing aquatic vegetable and green manure during crop rotation of water mimosa and paddy rice

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] There are three experimental paddy field treatments of A, B, and C, among which the paddy field A treatment is rice monoculture treatment, the paddy field B treatment is acacia monoculture treatment, and the paddy field C treatment adopts the rotation planting method of rice and acacia acacia. Each treatment was repeated four times and arranged in randomized blocks. For all treatments, conventional chemical fertilizers were selected as fertilizers, and the fertilization methods and dosages were consistent. The detailed planting operation process of paddy field C is as follows:

[0042] S1. During the double-cropping rice planting period, rice and acacia are intercropped according to a certain ratio.

[0043] S11. Soil preparation: plow the land and level the rice field before transplanting, and the depth of the plowing layer is 25cm-35cm.

[0044] S12. Transplanting of seedlings: during the period of early rice and late rice, transplant the rice seedlings at the same ...

Embodiment 2

[0057] The experimental method is the same as in Example 1, the only difference is that the fertilizer management of S14 is carried out according to the following steps: before the early rice and late rice are transplanted, 800-1000 kg of decomposed chicken manure is applied per mu as the base fertilizer; 15-18 days after transplanting, every Apply 3-4 kg urea per mu; apply 5-8 kg urea 30 days after transplanting; apply 2-3 kg urea per mu 53-56 days after transplanting to promote the flower retention fertilizer of rice, and at the same time as the growth Stem fertilizer.

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Abstract

The invention discloses a method for producing aquatic vegetables and a green manure during crop rotation of water mimosa and paddy rice. With the method, paddy rice and water mimosa are planted according to a certain ratio during a double-cropping rice period. Water mimosa can grow together with paddy rice in a paddy environment. Rhizobium of the water mimosa on the part on the surface of the paddy can fix nitrogen, such that soil nitrogen content can be increased. After the harvesting of early-season rice, the edible parts of water mimosa are harvested, and all the non-edible parts are turned back to the field as green manure; after the harvesting of late-season rice, winter cropping of water mimosa is carried out; about 1 month before early-season rice planting in the next year, the edible parts of the winter-cropping water mimosa are harvested, and all the non-edible parts are turned back to the field as green manure. With the paddy rice and water mimosa crop rotation method, soil fertility can be maintained on a basis of increasing paddy rice yield. Also, the use of chemical fertilizer nitrogen can be reduced, such that non-point source pollution caused by paddy rice production can be retarded.

Description

technical field [0001] The invention relates to the technical field of agricultural planting, and more particularly relates to a method for simultaneously producing aquatic vegetables and green manure by intercropping intercropping of acacia and rice. Background technique [0002] At present, rice has a high demand for nitrogen fertilizer, and excessive nitrogen input of chemical fertilizers has caused serious agricultural non-point source pollution. Therefore, reducing the input of chemical fertilizer nitrogen is of great significance to slow down agricultural non-point source pollution. Grass and leguminous intercropping is an effective planting mode that can reduce fertilizer nitrogen input and increase yield per unit land area and economic benefits. However, most of these studies were carried out in dry land, and Acacia ( Neptunia oleracea , the English name is water mimosa) is a perennial aquatic herbaceous plant of the genus Fabaceae twigs. The plants grow in floating...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G16/00C05F11/00A01G22/22
CPCA01G22/00A01G22/22C05F11/00
Inventor 章家恩梁开明张少斌罗明珠秦钟郭靖
Owner SOUTH CHINA AGRI UNIV
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