Middle saline-alkali soil cotton cultivating method

A technology for saline-alkali land and cotton is applied in the field of cotton cultivation in moderately saline-alkali land and in the field of moderately saline-alkali land, which can solve the problems of difficulty in establishing cotton seedlings, lack of seedlings and breaking ridges, late growth and late maturity of cotton, etc. , the effect of saving production costs

Inactive Publication Date: 2008-03-26
SHANDONG COTTON RES CENT
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Problems solved by technology

[0005] The purpose of the present invention is to provide a method capable of planting cotton in saline-alkali land with moderate salinity, focusing on solving the problems of cotton seedlings being difficult to grow and erect, serious lack of seedlings and broken ridges, and late maturation of cotton in the traditional cultivation method of saline-alkali land.

Method used

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  • Middle saline-alkali soil cotton cultivating method

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Embodiment Construction

[0039] Take Lumianyan No. 19 as an example to describe the planting method of the present invention below:

[0040] 1. Variety and soil: Lumianyan No. 19 is a short-season cotton variety, with develvet-coated seeds. The salt content of the soil is 0.65%. Before April 20, a large water pressure salt was carried out, and the water consumption per mu was 80 cubic meters, so as to reduce the salt content of the soil in the sowing layer and create moisture for cotton seeding; , harrow) to prepare for sowing. When preparing the land, apply 2 cubic meters of soil and miscellaneous fertilizers, 30 kg of superphosphate, and 20 kg of urea.

[0041] 2. Sowing and releasing seedlings: Sowing was carried out on May 20, with a row spacing of 90cm; before sowing, a sowing ditch with a depth of 12cm, a bottom width of 5cm, and an opening of 15cm was opened mechanically or manually, and then the seeds were sown on the bottom of the ditch with 2.5cm of soil. Then cover the sowing ditch with mu...

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Abstract

The present invention relates to a method for cultivating cotton in medium saline and alkaline land, belonging to the field of plant cultivation technology, mainly for solving the problem of planting cotton in saline and alkaline land. Said method is characterized by that it includes the following steps: adopting short-seasonal cotton species whose growth stage is about 115 days, in the midde ten days of fifth month, after the surface temperature is risen again, sowing; adopting sowing in deep furrow, mulching, after emergence of seedlings postponing the time of transplanting seedlings; planting desity is about 6000 plants/mu, non-training, only pruning tip, adopting mepiquat chloride (DPC) to make chemical control of its whole growth process, finally controlling plant height and making it be about 80cm.

Description

technical field [0001] The invention relates to a plant cultivation method, in particular to a method for growing cotton in moderate saline-alkali land. It is especially suitable for moderate saline-alkali land with a salt content of 0.4~0.8%. Background technique [0002] There are a large number of saline-alkali lands in China's cotton-producing areas. Taking advantage of the strong salt tolerance of cotton to develop cotton planting in saline-alkali lands is an effective way to solve the conflict between grain and cotton and stabilize the scale of cotton production. Cotton planting in saline-alkali land is generally under the guarantee of measures such as high water pressure, salt and mulching, using medium-early-maturing varieties, suitable early sowing, and medium-density, but this traditional technology is generally only suitable for cotton fields with a salt content below 0.3%. Moreover, under the influence of low temperature and salinity, there are often phenomena s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01C21/00
Inventor 董合忠李维江辛承松唐薇张冬梅罗振
Owner SHANDONG COTTON RES CENT
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