The traditional potato planting uses cover soil to cultivate and then dig a nest of potatoes out of the soil with a steamed bread at the time of harvest, which is time-consuming and labor-consuming, and the yield is also low. When I was working in Guangxi a few years ago, I saw how other people used the no-till method to grow potatoes to get high yields. No-tillage method of virus-free potatoes in addition to provincial holidays, simple and easy. What is more important is to solve the problems of low yield and quality of potatoes grown on sticky and compact soils. At the same time, no-till is beneficial to the smooth flow of water, fertilizer and gas in the soil, reducing plant diseases and reducing the use of pesticides.
After 60 acres of watermelons were harvested, I used 10 mu of land to plant virus-free potatoes. The traditional method of planting was changed, and the early-matured, high-yield, and virus-free potato varieties with good resistance and no-tillage cultivation method were introduced from Guangxi, and the bio-organic fertilizer dedicated to virus-free potatoes was purchased as the base fertilizer. No-tillage method was used for planting.
During planting, I placed the treated potatoes directly on the surface of the plot. Special organic manure and farmyard fertilizer are applied, and 10 cm thick straw is covered. After the emergence of the plant, I conducted a detailed field inspection and added some straw or straw to the thin tracts of straw to prevent over-thin leakage and to form green sweet potatoes. After clearing the grass, clear the ditch and evenly press the soil dug in the ditch on the straw or straw to prevent the straw from being blown by the wind, which will cause the exposure of the beans and affect their growth.
When the potatoes were sealed, I used paclobutrazol to control plant growth according to the growing method. Per acre with 15% paclobutrazol watered 50 kg sprayed; in the bud, spray expansion of potassium and potassium dihydrogen phosphate, to promote potato enlargement. And potato blight, ground tigers, locusts and other timely prevention and treatment. My virus-free potatoes have entered the harvest period after more than 100 days of growth.
At the time of harvest, I opened the ridges and straws near the rot on the ridges of the land, and the big round potatoes were fully displayed on the surface. I picked up potatoes directly by hand like a quail egg. This potato not only has less mud, it is rarely injured, and its color is bright. Potatoes planted with no-tillage are harvested for an average of 1,500 kg per acre.
Since the winter, the prices of vegetables have continued to rise, and potatoes have hit high prices. Now, the wholesale price at the end of the land reaches 2.4 yuan to 2.8 yuan per kilogram, and the cost of nearly 900 yuan per mu of potato, artificial, special fertilizer, and straw is at least 3,000 yuan per mu.
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