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No-tillage water-saving cotton seeding method

A cotton and pre-sowing technology, applied in the field of cotton no-tillage and water-saving sowing, can solve the problems of cotton seeds not emerging normally, low water use efficiency, high labor intensity, etc. Effect

Inactive Publication Date: 2013-10-16
INST OF COTTON RES CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of this technology are time-consuming and labor-intensive, low water use efficiency, high cost and low benefit
Moreover, the Yellow River Basin often receives rain after sowing, which will cause compaction of the covering soil in the sowing holes, resulting in the failure of cotton seeds to emerge normally

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1 No-tillage water-saving cotton sowing method

[0022] 1. Selection and arrangement of plots. On April 3, 2011, in Dongwei Village, Cheng'an Town, Cheng'an County, Hebei Province, a plot of 30 mu with flat terrain was selected. After simply leveling the plot, use a tractor to ridge and fertilize under the ridge. The fertilization under the ridge is carried out according to the row spacing of 40cm, a total of 3 rows, the ridge width is 60cm, and the ridge spacing is 90cm. The mechanical cost is about 60 yuan / mu, which is 120 yuan / mu less than the common sowing method.

[0023] 2. Watering. On April 11, 2011, the pumped well was used to pump groundwater for irrigation, and the water was irrigated under the ridge. The total pumped water was about 1,000 tons, which saved more than 50% of water compared with flood irrigation.

[0024] 3. Spraying herbicides and laying mulch. When the water under the ridge seeps into the ground and there is no clear water, use...

Embodiment 2

[0028] Influence of substrate on emergence rate under the condition of no-tillage and water-saving sowing of embodiment 2

[0029] In 2010, a test of the impact of substrate dosage on the emergence rate was carried out at the Cotton Research Institute of the Chinese Academy of Agricultural Sciences in 2010. The no-tillage and water-saving seeding method provided by the present invention was used to set up 2 factors and 4 levels of random block experiments, 2 row blocks 3 repetitions, Residential Area 20m 2 ,The diameter of the sowing hole is 2.5CM, and the sowing depth is 2, 2.5, 3, and 4cm. , 2.5 times four levels, the standard is that the upper surface of the substrate is flush with the surrounding plastic film, and the cotyledon is flat (every 8 days after sowing) to investigate the emergence rate. The test results are as follows:

[0030]

2cm

2.5cm

3cm

4cm

1 times

82.1

83.4

83.1

85.4

1.5 times

88.6

98.2 ...

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Abstract

The invention relates to the field of planting, in particular to a no-tillage water-saving cotton seeding method. The no-tillage water-saving cotton seeding method comprises the steps that (1) ridging and fertilizing are carried out; (2) positions where seeding is carried out are watered, namely, watering is slightly carried out among ridges; (3) herbicide is sprayed and mulching films are paved, namely, after water permeates soil and can not be seen, and the herbicide is sprayed and the mulching films are paved at the same time; (4) hole forming and seeding are carried out, namely, holes are formed in two sides of each mulching film, and cotton seeds are put into the formed holes; (5) substrates are covered, namely, the holes are covered by the substrates after seeding, wherein the substrates comprise 70-75% of fine sand and 25-30% of a grass carbon and perlite mixture. Aiming at the potential risks that hardening can be caused and seedling emergence can be affected because film hole forming and soil covering are popularized in the Yellow River basin, the specific covering substrates for film hole forming and seeding developed according to the no-tillage water-saving cotton seeding method have the advantages of preserving heat, and being ventilative, free of hardening and good in seedling emergence. Meanwhile, because cotton seedling stage disease control drugs are added, seedling stage diseases can be reduced, and the neat and strong seedling effect is achieved.

Description

technical field [0001] The invention relates to the field of planting, in particular to a no-tillage and water-saving sowing method for cotton. Background technique [0002] my country has a history of more than 2,000 years of cotton planting, and is one of the countries with a long history of cotton planting in the world. It has now become a major cotton producing country, a major cotton consumer country and a major cotton technology country. Since the founding of the People's Republic of China, my country's cotton varieties and planting techniques have been continuously updated, and the per unit yield of cotton has continued to increase, from 165kg / hm in 1949 2 Increase to the average yield of 1175kg / hm in the first 10 years of the 21st century 2 , Cotton yield increased by more than 6 times. [0003] At present, my country's cotton cultivation techniques mainly include seedling transplanting technology, film-covered live broadcast technology, and film-covered drip irrig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00
Inventor 张永山王振堂姚金波陈伟褚丽
Owner INST OF COTTON RES CHINESE ACAD OF AGRI SCI
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