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Method of planting sunflower in saline-alkaline land

A technology for saline-alkali land and sunflower, applied in the agricultural field, can solve problems such as difficulties in sunflower, and achieve the effects of improving seed setting rate, reducing salt accumulation and developing root system.

Inactive Publication Date: 2017-11-21
ECONOMIC CROPS RES INST XINJIANG ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sunflower is known as a pioneer crop in saline-alkali land. Compared with some other crops, it is relatively better tolerant to saline-alkali, but despite this, it is very difficult for sunflower to obtain high yields in saline-alkali land.

Method used

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Embodiment Construction

[0018] The technical solutions of the present invention will be further described in detail below in conjunction with specific embodiments.

[0019] A method for planting sunflowers in saline-alkali land, comprising the following steps:

[0020] Step 1. When selecting saline-alkali land, you should choose land with a soil salinity within 0.2%-0.4%, a small difference in terrain, and relatively uniform fertility. Before sowing, use flood irrigation to wash the salt and press the alkali. After the water in the field is drained and the soil moisture is reduced, the land is 8m per mu. 3 -10m 3 At the same time, apply 30kg-40kg of superphosphate, 8kg-10kg of potassium sulfate, and then deep plow 20cm-25cm. Deep plowing can not only reduce the salt content of the upper soil, but also cut off the soil capillary to reduce soil evaporation and control soil return salt;

[0021] Step 2. Seal the saline-alkali land to be sown, use acetochlor 120ml-150ml / 667m 2 Or Kindur 80ml / 667m 2 ...

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Abstract

The invention discloses a method of planting sunflower in saline-alkaline land. The method includes following steps: selecting the saline-alkaline land with salt content of soil being 0.2-0.4%; performing closed treatment on the saline-alkaline land to be sowed; selecting a sunflower variety high in salinity and alkali resistance, developed in root system and less prone to lodging; paving films and seeding; seeding before 10th June for spring seeding; timely draining seedling water after seeding; timely performing final singling and intertilling; assisting in pollination during flowering. By utilizing the method, sunflower in the saline-alkaline land is enabled to grow normally and mature normally and to obtain high yield.

Description

technical field [0001] The invention belongs to the technical field of agriculture and relates to a method for planting sunflowers in saline-alkali land. Background technique [0002] The agricultural production efficiency in saline-alkali land is very low, mainly because the stress of soil salinity on crops limits the yield of crops to a large extent. The saline-alkali land causes the soil infiltration to be very low, and the nutritional regulation of crops planted on it is out of balance, and the normal growth process is inhibited. This abiotic stress seriously affects the growth and development of plants at the physiological and biological levels. At present, there are a large number of medium and low-yield fields caused by saline-alkali in our country. The characteristics of saline-alkali make it difficult to grow crops on saline-alkali land, and it is not easy to obtain high yields. Find a method or technology that can improve saline-alkali soil or increase The output ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01B79/02A01G13/02C05G3/00C05G1/00
CPCA01B79/02A01G13/0275A01G22/00C05B1/02C05B7/00C05G3/00C05D1/02C05G1/00C05C9/00
Inventor 雷中华向理军石必显顾元国贾东海王娟李强吴伟
Owner ECONOMIC CROPS RES INST XINJIANG ACAD OF AGRI SCI
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