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Cotton cultivation method suitable for climate type of coastal saline-alkaline dry farming region

A cultivation method and cotton technology, applied in the agricultural field, can solve problems such as excessive waste, increased fertilization times, unfavorable one-time harvesting, etc., and achieve the effect of reducing rotten bolls and improving fiber quality

Active Publication Date: 2019-08-16
CANGZHOU ACAD OF AGRI & FORESTRY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The proportion of peaches in late autumn is large, and it is difficult to concentrate the cotton boll opening time, which is not conducive to the realization of mechanized one-time harvesting, and it is also difficult to ensure the consistency of cotton fiber quality
The biological characteristics of cotton do not match the law of fertilization, and the amount of fertilizer used is large, resulting in a lot of waste; increasing the frequency of fertilization as the main way to improve the utilization rate of fertilizers requires more labor and increases costs
Traditional chemical regulation can only regulate plant height and plant type, and has no significant inhibitory effect on the growth of cotton buds in the late growth period.

Method used

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  • Cotton cultivation method suitable for climate type of coastal saline-alkaline dry farming region
  • Cotton cultivation method suitable for climate type of coastal saline-alkaline dry farming region
  • Cotton cultivation method suitable for climate type of coastal saline-alkaline dry farming region

Examples

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Effect test

Embodiment 1

[0033] The cotton cultivation method suitable for the coastal saline-alkali dryland climate type provided by the present embodiment includes:

[0034]Before sowing, base fertilizer is applied in cotton fields with low fertility, and the base fertilizer is an ecological organic fertilizer with an application rate of 75 kg per mu.

[0035] Sowing on May 1st, the sowing density is about 6000 plants / mu, the maximum row spacing is 63cm, the small row spacing is 13cm, and the hole spacing is 40cm. During the period from June 15th to July 20th, topdress the foliar fertilizer, spray 200 times of ecological organic foliar fertilizer every 7 days, and spray it through. Topping off July 5th.

[0036] Spray Aifudi twice in the late cotton growth period, the first spraying is carried out when the cotton plant grows to about 80cm, that is, the range of 75-85cm, and the second spraying is carried out in early August, and the concentration of the first spraying is It is 2ml / kg, and the seco...

Embodiment 2

[0038] The cotton cultivation method suitable for the coastal saline-alkali dryland climate type provided by the present embodiment includes:

[0039] Apply base fertilizer in cotton fields with low fertility before sowing, the base fertilizer is ecological organic fertilizer and the rate of application is 100kg per mu.

[0040] Sowing on May 5, the sowing density is about 5500 plants / mu, the maximum row spacing is 65cm, the small row spacing is 15cm, and the hole spacing is 42cm. During the period from June 15th to July 20th, topdress the foliar fertilizer, spray 200 times of ecological organic foliar fertilizer every 7 days, and spray it through. Topping on July 10th.

[0041] Spray Aifudi twice in the late cotton growth period, the first spraying is carried out when the cotton plant grows to about 80cm, that is, the range of 75-85cm, and the second spraying is carried out in early August, and the concentration of the first spraying is It is 2.5ml / kg, and the second spray ...

Embodiment 3

[0043] The cotton cultivation method suitable for the coastal saline-alkali dryland climate type provided by the present embodiment includes:

[0044] Apply base fertilizer in cotton fields with low fertility before sowing, and the base fertilizer is an ecological organic fertilizer with an application rate of 85 kg per mu.

[0045] Sowing on May 3, the sowing density is about 6500 plants / mu, the maximum row spacing is 60cm, the small row spacing is 10cm, and the hole spacing is 38cm. During the period from June 15th to July 20th, topdress the foliar fertilizer, spray 200 times of ecological organic foliar fertilizer every 7 days, and spray it through. Topping on July 8.

[0046] Spray Aifudi twice in the late cotton growth period, the first spraying is carried out when the cotton plant grows to about 80cm, that is, the range of 75-85cm, and the second spraying is carried out in early August, and the concentration of the first spraying is It is 2.2ml / kg, and the second spray...

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Abstract

The invention relates to the technical field of agriculture and provides a cotton cultivation method suitable for climate type of a coastal saline-alkaline dry farming region. The method comprises thesteps as follows: sowing is performed from April 25 to May 5 at the sowing density of 5,500-6,500 plant / mu; and topping is performed from July 5 to July 10. By using the method for cultivation, in the cotton plant growth process, no pre-summer bolls exist, rotted bolls are significantly reduced, boll opening is relatively centralized, the fiber quality is improved, and mechanical one-time harvesting is facilitated.

Description

technical field [0001] The invention relates to the field of agricultural technology, in particular to a cotton cultivation method suitable for the climate type in coastal saline-alkali dry farming areas. Background technique [0002] At present, the technical points of cotton high-yield cultivation techniques widely used in coastal saline-alkali dryland cotton fields mainly include: [0003] When the ground temperature of 5cm below the soil surface is stable and passes through 14°C or when the ground temperature of 20cm reaches 15.5°C, it is a suitable sowing date, and the general cotton field sowing time is April 15-25. Generally, the density of conventional cotton varieties is about 4500 plants / mu, and the density of hybrid cotton is about 3500 plants / mu. Usually, it is necessary to wait until the number of fruit branches is 13 to 14 for topping, and the time is from July 15th to 20th. Apply a large number of quick-acting chemical fertilizers multiple times, apply suffi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/50A01G7/06
CPCA01G7/06A01G22/50
Inventor 刘贞贞平文超张忠波蒋建勋曹平平李洪芹柴卫东王安录李洪民刘永平祁婧贾宁刘毅李辉孙树泽
Owner CANGZHOU ACAD OF AGRI & FORESTRY SCI
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