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A rapid mulching method of compound green manure in mountain rubber gardens without artificial irrigation

A technology of green manure and mountain land, applied in the field of rapid coverage of compound green manure in mountain rubber gardens without artificial irrigation, can solve the problems of aggravated soil erosion, poor coverage effect, and uneven emergence of seedlings, so as to promote rapid coverage, increase coverage, and reduce coverage cost effect

Active Publication Date: 2018-06-29
YUNNAN INST OF TROPICAL CROPS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional method of planting green manure in rubber gardens is mainly to use full reclamation or partial reclamation to plow the soil between the rows of rubber trees, and then spread the green manure in the rainy season, which will easily cause weeds to germinate before the green manure, resulting in irregular seedling emergence and poor coverage. Tilling increases costs and exacerbates soil erosion

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] In the Jiangbei rubber base of Yunnan Tropical Crop Science Research Institute, 20 mu of Yunyan 77-4 rubber trees (young rubber plantations) were selected for planting in 2012.

[0029] (1) Land preparation

[0030] In June, it rained continuously for 3 days, and the soil was drenched (the soil moisture content of 0cm-30cm is 32%), and then the site was prepared; in the germination zone 1.5-2m away from the rubber tree, weeds and grass roots were manually eradicated from top to bottom, and preserved Topsoil; dig holes at the same height along the slope on the germination zone; the row spacing of the holes is 30cm×20cm, the diameter is 10cm, and the depth is 5cm.

[0031] (2) Selection of green manure varieties

[0032] Choose trichomybean and three-pointed leaf pig's dung bean for mixed sowing at a mass ratio of 1:1;

[0033] (3) Green manure seed pretreatment

[0034] Before sowing, add the edulis and three-pointed leaves selected in step (2) to hot water not less t...

Embodiment 2

[0043] In the Jiangbei rubber base of Yunnan Tropical Crop Science Research Institute, 20 mu of Yunyan 77-2 rubber trees (young rubber plantations) were selected to be planted in 2012.

[0044] (1) Land preparation

[0045] In May, it rained continuously for 4 days, and the soil was drenched (the soil moisture content of 0cm-30cm is 33%), and then the land was prepared; in the germination zone 1.5-2m away from the rubber tree, weeds and grass roots were mechanically eradicated from top to bottom, and preserved Topsoil; Dig ditches along the contour of the slope on the germination zone; the distance between the ditch is 30cm, and the upper mouth of the ditch is about 10cm wide and 5cm deep;

[0046] (2) Selection of green manure varieties

[0047] Select trichomybean and white flower gray leaf bean for mixed sowing at a mass ratio of 1:2;

[0048] (3) Green manure seed pretreatment

[0049] Before sowing, add the edulis bean and the white-flowered gray leaf bean selected in ...

Embodiment 3

[0057] In the Jiangnan rubber base of Yunnan Tropical Crop Science Research Institute, 20 mu of GT1 rubber trees planted in 1998 were selected (cutting the rubber plantation),

[0058] (1) Land preparation

[0059] In May, it rained continuously for 4 days, and the soil was soaked (the soil moisture content of 0cm-30cm is 32%), and then the site was prepared; in the germination zone 1.5-2m away from the rubber tree, weeds and grass roots were manually eradicated from top to bottom, and the topsoil was preserved ;Dig ditches along the contour of the slope on the germination zone; the distance between the ditches is 30cm, and the upper mouth of the ditch is about 10cm wide and 5cm deep;

[0060] (2) Selection of green manure varieties

[0061] Select the mixed seeding of the leech leech and the clam bean according to the mass ratio of 2:1;

[0062] (3) Green manure seed pretreatment

[0063] Before sowing, add hot water no less than 10 times the weight of the seeds to the lee...

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Abstract

The invention relates to a quick covering method of a manual-irrigation-free mountainous rubber plantation composite green manure. The method includes the steps of soil preparation, variety selection, seed pretreatment, sowing, weeding and the like. The method overcomes the water limitation on manual-irrigation-free mountainous rubber plantation green manure coverage, an under-forest composite planting mode combining shrub, subshrub, herb and vines is built, the coverage, yield and water retention and soil improvement effects of green manure are effectively improved, and quick covering of the rubber plantation green manure is promoted. The method is specific and high in operability. By means of the method, the emergence rate of the green manure can reach 85% or above, seedlings can emerge orderly 7-14 days after sowing, and the seedlings completely cover the ground 46-60 days after sowing.

Description

technical field [0001] The invention belongs to the technical field of agricultural and forestry fertilizers, and in particular relates to a rapid covering method of compound green manure for mountain rubber gardens without artificial irrigation. Background technique [0002] Natural rubber is an important strategic resource. At the end of 2015, the rubber planting area in Yunnan reached 8.6025 million mu. The current rubber planting pattern is 2-3 m×7-9 m, and the understory space resources are abundant. Mountain rubber planting is a major feature of Yunnan rubber gardens. The vast majority of rubber plantations in Yunnan are hills and mountains with a slope of 10 to 25 degrees. The slope is steep, and organic fertilizer transportation is difficult. Water and soil erosion cannot be ignored. After many years of rubber planting, the soil degrades seriously. The interplanting of general economic crops in rubber gardens requires a large investment and requires high environmen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01C21/00
CPCA01C21/00A01G17/005A01G22/00
Inventor 杨春霞赵志平李春丽杨丽萍丁华平陈永川黎小清刘忠妹许木果
Owner YUNNAN INST OF TROPICAL CROPS
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