China Cotton Institute: Cotton Planting Progress And Production Management Proposals

China cotton and country

According to monitoring, by April 15th, the national cotton

This year

The spring sowing area of the Yangtze River accounts for 23.8% of the estimated area, which is 10.8 percentage points faster than that of the same period last year. In Hunan, due to the low initial temperature, the seeding rate was low, about 70%, and the dead seedlings were serious.

Owing to the low ground temperature in most parts of Anhui, the seeded sowing date of the field was postponed to April 20th, and the seedling growth rate was relatively fast.

After the Qingming period in Hubei and Jiangxi, the air temperature picked up quickly, and the sowing time was fast. Basically, it was flat with the whole year. Jiangsu was slightly sprouting and Miao Miao was good.

The reasons are as follows: first, the temperature is low, and the medium term high temperature and low rainfall are favorable for sowing and seeding.

The Yellow River's spring sowing (planting) area accounts for 12.3% of the estimated area, which is 3.9 percentage points faster than that of the same period last year. Hebei, Tianjin, Northwest Shandong and eastern Shandong have not yet been launched in the North China Plain.

The reasons are as follows: first, in the early April, the temperature was low, and the temperature difference was large.

The two is the influence of stubble. The Huaibei plain is mainly pferred from Henan to cotton after wheat pplanting, and the seedbed is delayed till the end of April.

The sown area in Northwest China accounts for 39.7% of the estimated area, which is 4.9 percentage points faster than the same period last year.

The sowing rate in southern Xinjiang was 42.9%, slower than 28.7 percentage points last year, and the rate of sowing in North Xinjiang was 35.7%, faster than 34.1 percentage points in the same period last year.

The main reasons are: first, in the early April, the southern Xinjiang encountered low-temperature cold wave and Dafeng sand and dust, the temperature was low, and the planting was postponed for 5~6 days.

Special early maturing was not launched before April 15th, and is expected to be sowed in early May.

Early sowing, full seedling, early emergence and rational close planting are the guarantee for high yield.

According to experience, since April 1st, an early sowing of one day can increase the production of lint 0.5 kg / mu. This year's sowing quality inspection is obviously better than that of going out for the same period.

The main task of cotton production in late April and May is to protect seedlings, cultivate strong seedlings and promote early onset.

One is to sow time to sow seeds.

From the national perspective, the sowing date of cotton is still in late April.

We must pay close attention to sowing, in order to reduce the precipitation, we need to build the soil moisture and make proper water supply.

Two is to protect seedlings and promote early onset.

In the field cotton planting field, plastic film mulching and wide film mulching, and double film mulching on the seeding line were also carried out.

It is necessary to compact both sides of the plastic film to prevent the gale from lifting the film.

The three is reasonable density planting and increasing density.

In view of the thinning density of the mainland, it is suggested that the pplanting density of the Yangtze River hybrids should be 1800~2000 plants / mu, and the conventional density of the Yellow River's insect resistant cotton should be 3000~3500 plants / mu, and the hybrids should be no less than 2500 plants / mu.

Four, we should do a good job in simplifying seedling pplanting.

Attention should be paid to seedling raising, seedling loading and pportation in large-scale seedling raising and base nursery.

Transplanting grasp: first, the appropriate depth planting is required, and the depth of the seedling roots is 7 centimeters.

The two is to plant high temperature seedlings without planting low temperature seedlings, and then stop when they encounter cold wave.

The three is to pour enough water at home.

If the Yangtze River is to be herbicide safely, the glyphosate herbicide should wait for the height of seedlings to reach 30 centimeters.

The five is to prevent and cure pests and diseases.

It is effective to control seedling disease (Rhizoctonia solani, anthrax, damping off disease and red rot disease) with "cotton increasing spirit", carbendazim and half volume Bordeaux.

At the same time, the pests of Aphis gossypii, tigers and snails were also prevented.

High humidity cotton fields should be plowing frequently, hoeing frequently, raising ground temperature and reducing humidity.

Six is to strengthen guidance, disaster prevention and mitigation.

At present, the precipitation in the mainland is insufficient, and the North China presents a dry elephant. It is necessary to keep the soil moisture content early.

Seven is to strengthen guidance.

We should promote roving guidance, go deep into the fields, observe the Miao's feelings, and solve practical problems in a targeted manner.