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A kind of seed-reserving method of milk vetch in paddy field without sowing and circulation

A kind of vetch seed and vetch technology, applied in the fields of botanical equipment and methods, horticulture, application, etc., can solve the problems of large labor input, shortage of vetch seeds, etc. The effect of water evaporation

Active Publication Date: 2015-11-18
HUNAN SOIL & FERTILIZER INST +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems of common winter abandonment in southern one-cropping rice areas, large labor input in the production process of milk vetch, and shortage of milk vetch seeds, the present invention proposes a method of reducing labor input, increasing the yield of retained seeds, alleviating the shortage of milk vetch seeds and increasing the production of milk vetch seeds. A method of free-sowing and reserving seeds of milk vetch in paddy fields by increasing the amount of vetch seed reserves and giving full play to the effect of returning milk vetch stalks to the field to fertilize the paddy soil

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] In 2011, 28 mu of one-season paddy fields were selected in Sanxianhu Town, Nanxian County, and milk vetch was sown after the first-crop rice harvest in September 2011. The seed dosage of milk vetch was 2.5kg / mu. The variety of milk vetch was Hunan Soil and Fertilizer Research Institute "Xiangzi No. 1" independently selected and bred. The specific farming operations are as follows:

[0045] On September 20, 2011, the seeds of milk vetch were sown after the first rice harvest, and on May 15, 2012, the seeds of milk vetch were harvested mechanically. On the day of harvesting, disperse milk vetch stalks evenly in the field, plow and press dry, seal the drainage outlet to prevent the seeds in the vetch stalks and the seeds scattered in the field from flowing out of the field with the water, and irrigate and retting for 10 days to carry out one-season rice transplantation. plant. Shallow water and wet management in the early stage of one-season rice growth, the depth of the...

Embodiment 2

[0048] In 2011, about 25 mu of one-season rice fields were selected in Gaoqiao Town, Changsha County. In September 2011, the milk vetch was sown after the first rice harvest. The seed dosage of milk vetch was 2.5kg / mu. The specific farming operations are as follows:

[0049] On September 18, 2011, the seeds of milk vetch were sown after the rice harvest, and on May 13, 2012, the seeds of milk vetch were harvested mechanically. On the second day after harvesting, the milk vetch stalks were evenly dispersed in the field, and the drains were sealed to prevent the seeds in the milk vetch stalks and those scattered in the field from flowing out of the field with water, and the rice was irrigated and retting for 10 days to carry out no-tillage direct seeding of a season of rice. Shallow water and wet management in the early stage of one-season rice growth, the depth of the water layer on the field surface is kept at 1-3cm, which is enough for heavy dew and light sun after seedlings...

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PUM

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Abstract

The invention discloses a rice field milk vetch sowing-free circulation seed reserving method. The method comprises the following steps that after milk vetch seeds are mechanically harvested in early and mid May, smashed milk vetch straws are evenly spread in a rice field, irrigation is conducted, a drainage outlet is blocked (so as to prevent milk vetch seeds reserved in the rice field from flowing away along with water), biodegradation is conducted for five to ten days, dry farming is conducted to achieve single-season rice transplantation or single-season rice no-tillage direct sowing, the single-season rice is irrigated by shallow water at the early growth stage, water falling and field drying are conducted at the rice milk-ripe stage, the single-season rice is harvested from the mid and late September to early October, high stubbles of straws are reserved to be returned to the field, or removed from the seed reserving field within one to three days, ditching or ditch cleaning is conducted, and no water is reserved in the field in sunny days or accumulated in rainy days; routine management of milk vetch planting is conducted, and circulation operations of farming work such as milk vetch seed mechanical collection and single-season rice sowing are conducted in the next early and mid May. The rice field milk vetch sowing-free circulation seed reserving method solves the problems that at present, field abandonment is general in winter in the single-season rice field, and rice field green manure milk vetch seeds are scarce, and relieves milk vetch seed shortage, increases milk vetch seed reserve, and achieves the effect of returning milk vetch straws for fertilizing rice field soil.

Description

technical field [0001] The invention relates to a method for saving milk vetch seeds in a paddy field without sowing and in circulation. Background technique [0002] Green manure is an important part of ecological agriculture and the essence of traditional agriculture in my country. It has the functions of reducing chemical fertilizer input, improving soil fertility, and protecting the ecological environment. In the 1980s, my country's green manure planting area was stable at about 180 million mu, accounting for about 12.5% ​​of the total arable land area. However, in the mid-to-late 1990s, due to the extensive use of chemical fertilizers, the national green manure production has shrunk in a large area, and the output has also increased significantly. decline. In recent years, as the world has paid more attention to food security, climate change and environmental ecological issues, the production and utilization of green manure crops have received renewed attention. Hunan ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00
Inventor 鲁艳红廖育林谢坚聂军曹卫东杨曾平吴翠霞孙玉桃魏湘林周兴
Owner HUNAN SOIL & FERTILIZER INST
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