China Cotton Released National Cotton Cultivation Monitoring Report

< p > China Cotton Institute, the national a href= "//www.sjfzxm.com/news/index_c.asp" > cotton < /a > industrial technology system, the cotton group carried out the whole process tracking and monitoring of 15 cotton producing provinces, 158 designated County farms and 5000 designated farmers in 2012. Among them, the investigation on the cropping system and planting mode was carried out in the administrative villages, and combined with the correction of the large county, a large amount of the latest cotton planting situation was obtained, and the national cotton cultivation monitoring report was issued for decision-making reference.

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< p > < strong > 1, cultivation techniques < /strong > < /p >

< p > 1, popularizing and promoting early technology.

Cotton planting in the whole country continues to use "no planting cover" and "no cover planting" technology.

According to the monitoring results, seedling pplanting accounted for 27.2% of the sown area, which was 3.4 percentage points lower than that of 2011.

Plastic film coverage accounted for 70.5% of the sown area, an increase of 3.6 percentage points.

Direct seeding accounts for 2.2% of the sown area, minus 0.5 percentage points.

Among them, planting and covering accounted for 97.7% of the total area.

In plastic film mulching, conventional plastic film mulching accounted for 34.7%, 2.5 percentage points reduced, and wide film mulching accounted for 31.3%, an increase of 3.9 percentage points.

< a href= "//www.sjfzxm.com/news/index_s.asp" > double membrane cotton < /a > 4.5%, an increase of 3 percentage points.

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< p > further analysis, the Yangtze River is mainly seedling raising and pplanting, accounting for 89.1% of the total area, increasing by 8.2 percentage points, while conventional plastic film mulching accounted for 6.2%, an increase of 9.7 percentage points.

Double membrane cotton accounted for 2.8%, an increase of 1.4 percentage points.

In the Yellow River, 17% of seedlings and pplants were reduced by 8.4 percentage points, mainly due to the decrease of cotton planting area in the Huang Huai plain; 78.5% of the plastic film mulching, 9.9 percentage points increased, of which conventional film mulching decreased by 6.7 percentage points, and double membrane cotton increased by 6.6 percentage points, which may be related to the decrease in the planting area of hybrid cotton; direct broadcast accounted for 4.5%, reducing 1.5 percentage points.

In Northwest China, plastic film mulching was 100%, of which conventional plastic film mulching accounted for 15.7%, reducing 12.1 percentage points, while wide film mulching accounted for 84.3%, an increase of 12.1 percentage points.

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< p > 2, and the density of harvesting increased slightly.

Density and boll number are the key factors of yield per unit area.

According to the monitoring results, the cotton harvest density in 2012 was 5262 plants per mu, an increase of 48 plants / mu, an increase of 1%.

Among them, the Yangtze River has 1439 plants per mu, an increase of 28 plants per mu.

The Yellow River has 3017 plants / mu, minus 119 plants / mu, minus 6%.

Northwest 12992.7 plant / mu, minus 12.3 plants / mu, minus 0.1%.

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< p > 3, boll increase per plant.

According to the monitoring results, in 2012, the number of bolls per plant increased by 12.2 per plant in China, an increase of 0.7 plants per plant, an increase of 6.1%.

The number of bolls per plant in the three producing areas was 3.2 / 34.8, increasing by 7.2%.

The Yellow River 18.8 / plant, an increase of 3.2, an increase of 20.5%.

Northwest 6.2 / plant increased by 0.2 / plant, increased by 3.3%.

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< p > 4, the boll per unit area increased.

Due to a slight increase in density and boll formation per unit area, the number of bolls per unit area increased by 65416 mu per mu, increasing by 5455 per mu, increasing by 9.1%.

In 2012, the cotton growth index of China was 105, indicating that the growth of cotton was better than that of last year, with less Boll Rot and lighter degree, and the yield increased by 5.6%.

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< p > strong > two, multiple cropping index and planting mode < /strong > < /p >

< p > < strong > (1) multiple cropping index slightly reduced < /strong > < /p >.

In P > 2012, the multiple cropping index in cotton fields was 143%, 2 percentage points lower.

The national cotton field accounts for 63.7% of the sown area, increasing by 4.7 percentage points, with an area of 48 million 490 thousand mu.

Two crops accounted for 30.4% of the sown area, 6.6 percentage points less and 23 million 120 thousand mu for the area. More than three of the total (three maturing and four cooked) accounted for 5.9% of the sowing area, 1.9 percentage points, and 4 million 490 thousand mu.

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< p > the multiple cropping index of the Yangtze River Basin decreased by 10 percentage points from 176% to the Changjiang River.

The Yellow River increased by 146% percentage points by 1 percentage points.

In the Northwest 113%, the area of cotton fruit trees in cotton fields in this basin continued to increase.

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< p > < strong > (two) planting mode < /strong > < /p >

< p > 1, cotton field interplanting (planting) mode.

The pattern accounts for 58.8% of the two mature area, with an area of 13 million 590 thousand mu.

First, wheat and cotton interplanting (planting) accounted for 20.3% of the two mature area, distributed in the Yangtze River and the Yellow River, of which Sichuan accounted for 76.1%, Henan accounted for 51%, Jiangsu accounted for 42.6%, Hubei accounted for 12.6%, Shandong and Southwest Shandong accounted for 9.6%.

Two, the oil covered cotton accounts for 5.8% of the two mature area and is distributed in the Yangtze River.

The three is the intercropping of various cucurbits and cotton accounts for 3.7% of the two mature area, and there are distribution all over the country.

Four, garlic (onion) planted cotton accounted for 7.8% of the two mature area, concentrated in the Yellow River's Jining, Heze and Xuzhou.

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< p > 2, continuous cropping and multiple cropping in cotton fields.

This pattern accounts for 41.2% of the cotton field area and the area is 9 million 520 thousand mu.

Main pattern: 54.1% of the total cotton after the Changjiang oil (wheat) has become the main mode; cotton pplanting cotton accounts for 8.1% of the two mature area, mainly distributed in the Nanxiang basin, and the Huang Huai plain and the South China Plain are actively demonstrating.

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< p > 3, cotton intercropping.

The pattern accounts for 5.5% of the area and the area is about 1 million 272 thousand mu. Due to the rapid development of fruit and cotton interplanting in the southern Xinjiang, most of the fruit trees have grown up and the cotton fields have been withdrawn.

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< p > < strong > three, and discuss < /strong > < /p >.

< p > the Yangtze River Valley < a href= "//www.sjfzxm.com" > cotton area < /a > the polarization of cropping system continues to increase. One pole of two ripening continuous cropping takes up 66.9% of the cotton field area. This mode does not require interplanting or planting, saving labor and working more vigorously. It is a light planting mode.

On the production, we should adopt early spring cotton varieties, planting them reasonably, planting seedlings and pplanting, so as to promote early and early maturity so as to win high yield.

The other one is cotton field multiple cropping index dropped by 10 percentage points, equivalent to 2 million 200 thousand mu of single cropping cotton field.

Cotton cultivation should adopt single cropping technology, including selection of medium mature varieties, direct seeding, attention to increasing organic fertilizer and potassium fertilizer to prevent premature senescence, so as to capture high yield.

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