No-tillage rotation method for Avena sativa and forage sorghum in coastal mud flat

A technology of sorghum and oats, which is applied in the fields of soil preparation methods, botany equipment and methods, gardening, etc., can solve the problems of high cost and limited effect of improvement measures, achieve high ecological benefits, prevent soil from returning to salt, improve comprehensive output and The effect of agricultural use value

Inactive Publication Date: 2019-03-01
YANGZHOU UNIV
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Problems solved by technology

[0005] Physical, chemical, and biological improvement measures have their own advantages and disadvantages in treating tidal flat saline-alkali land. A single improvement measure has limited effect and high cost. High-efficiency cultivation of coastal tidal flat agriculture is a systematic project. It is necessary to comprehensively use physical, chemical and biological measures to achieve the purpose of controlling salt, improving soil, preserving seedlings and promoting growth

Method used

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Embodiment Construction

[0027] A coastal tidal flat oat-sorghum forage grass no-tillage rotation method, the steps of the method are: 1, select planting area: according to the salt content of the soil plow layer and the salt-tolerant threshold of oat-sorghum forage grass to determine the planting saline-alkali plot, specifically : Because the oat root system is distributed 30cm deep and the sodium chloride salt salt tolerance threshold is 0.6%, the sodium salt content of the plow layer when planting oats is selected to be controlled below 0.6%; the sodium chloride salt salt tolerance threshold of sorghum forage grass is 0.5%, and summer colonization When sorghum is forage, control the sodium chloride salt in the plowing layer to less than 0.5%; plow the soil in winter to 30cm to freeze and open ditches with a distance of 3.0m and a depth of 30cm to prevent stagnation; 2. Spring soil management: apply organic fertilizers and compound fertilizers After mixing with nitrogen fertilizer, use a rotary tille...

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Abstract

The invention discloses a no-tillage rotation method for Avena sativa and forage sorghum in a coastal mud flat. The method comprises the following steps: (1) selecting a planting area, (2) managing soil in spring, (3) planting Avena sativa, (4) planting forage sorghum, (5) performing growth and harvest of forage sorghum and (6) performing change into a next crop. According to the no-tillage rotation method, crop rotation farming agriculture and physical, chemical and biological control measures of saline-alkali land are combined organically, a saline-alkali land improvement mode with ecological, economic and social benefits is obtained, and a positively promotion effect is generated on transformation of saline-alkali land in the coastal mud flat and sustainable development of agriculture.

Description

technical field [0001] The invention relates to the technical field of continuous agricultural transformation of coastal tidal flats, in particular to a coastal tidal flat oat-sorghum forage-free plant that reduces production costs and improves production efficiency, promotes the upgrading of the planting structure in saline-alkali land, and enriches the industrial structure of tidal flat saline-alkali land. Rotational cropping methods. Background technique [0002] Salinity-alkali stress is one of the most important stress factors affecting agricultural production and land productivity. According to incomplete statistics from UNESCO and FAO, 25% of the world's land area is affected by salinization. The area of ​​saline-alkali land in China is about 99.13 million hm 2 , accounting for 26.3% of the world's saline-alkali land area, which is widely distributed in coastal and inland areas, and most of the saline-alkali land has been under development. Jiangsu's coastal coastl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/20A01G22/00A01B79/02
CPCA01B79/02A01G22/00A01G22/20Y02P60/20
Inventor 周桂生焦秀荣朱广龙智文芳刘家玮陈许兵王钥卢海潼季中亚
Owner YANGZHOU UNIV
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