When is the spring sowing potato suitable for planting? The spring sowing potato is generally 20-30 days before the night frost, when the temperature is stable at 5-7 degrees, or when the temperature of the 10cm soil layer is stable at 6-7 degrees, the germination operation should be carried out before sowing, and the specific cultivation method of spring sowing potato, Xiaobian I will explain it in detail below, and I hope that it will help everyone.
.jpg "When is the spring sowing potato planted? Spring planting high-yield planting technology")
First, sowing
1. Land selection and rotation
Choose land that is loose in soil, rich in organic matter, convenient for irrigation and drainage, and soil that is slightly acidic.
2, the choice of variety
Choose disease-resistant, high-yield, precocious virus-free seed potatoes.
3, seed potato treatment
(1) Selection of seed potatoes
It is required that the seed potato has the characteristics of this variety, 50g or more of detoxified potato, no deformity and disease.
(2) germination
The germination operation was carried out 30-40 days before sowing.
Greenhouses are carried out, the ground is first paved with 5cm of sand, the seed potatoes are placed on the top, and the sand is used instead of seed potatoes. So 3-4 layers, the surface covers 5cm of sand, keeps 20-15 degrees above and a certain humidity, and the humidity of the sand is With the hand holding the group as the standard, after 10-15 days, when the bud is about 1-2cm long and the root system occurs, the seed can be diced.
.jpg "When is the spring sowing potato planted? Spring planting high-yield planting technology")
(3) dicing
The potato tubers are too large and need to be sown after dicing. The dicing can break the dormancy. Generally, each piece is 20-25 grams, and there are more than two buds.
4, sowing
(1) Fertilization and soil preparation
Combine the cultivated land before planting, and apply 3000kg of fully decomposed organic fertilizer per acre.
(2) Sowing time
20-30 days before the night frost, when the temperature is stable at 5-7 degrees, or when the temperature of the 10cm soil layer is stable at 6-7 degrees.
(3) Reasonable close planting
For the most part, it is generally about 3800-5000 plants per mu. The density is too low and it is easy to be hollow.
(4) Sowing
It is necessary to open the shallow ditch in the ground, and then cover the soil with ridges. The sowing depth is 8-10cm. After sowing, the ridges are smooth and moist, and the herbicide (50ml of ethyl acetoacetate + 50kg of water) is sprayed.
Second, field management
1. Timely cultivating soil
The first cultivating soil was carried out 30 days after sowing, mainly based on loose soil, and combined with top dressing when necessary; the second time when the seedlings were as high as 15-20 cm.
2, coated potato
After emergence, the seedlings will be ruptured in time, and the membrane will be sealed with soil. When the height of the seedling is 10 cm, the membrane will be removed and the first cultivating soil will be used. The cultivating soil mainly consists of weeding and loose soil, and a small amount of seedlings. earth.
3, timely irrigation and drainage
When it is dry, water it in time; in a rainy day, drain water in time.
4, control plant length
(1) Appropriately reduce the amount of nitrogen fertilizer and increase the amount of phosphorus and potassium fertilizer.
(2) Spraying plant growth regulator - paclobutrazol.
5, pest control
(1) Alternately use 100 grams/mu of Dasheng and 100 grams/mu of anti-virus cockroaches to prevent early and late blight and other fungal diseases.
(2) Spraying with a drug such as Tiger Scream to control aphids and 28-star ladybugs
6, timely harvest
According to the growth situation and market demand and output value, weather conditions are harvested at the right time.
For the wonderful pictures and popular comments on the spring sowing potato, you may be interested in the following recommended content, welcome to read.
Salinomycin Anticoccidial,Salinomycin Veterinary Use,Salinomycin Feed Additives,Salinomycin Animal Medicine
Shandong Shengli Bioengineering Co., Ltd , https://www.shenglipharm.com