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Technical Guidance on High-Yield Cultivation of Spring-Sown Soybeans in Northeast China
Soybean is a widely grown legume in the north, and the beans it produces can not only be used to make soy milk, tofu, fermented tofu and more, but can also be used as seed. Right now, the spring soybean sowing stage is underway in Northeast China, and many people have started preparing seedbeds and selecting seed, but if
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How to Grow Peanuts? 2020 Spring-Sown Peanut Production Technical Guidance
Peanut, also known as the "longevity nut," is distributed across both northern and southern parts of China, and is a nut with abundant yield and wide consumption in our country. Now that spring sowing is underway, how should peanuts be grown? Below, let's look at the 2020 Spring-Sown Peanut Production Technical Guidance issued by the Ministry of Agriculture.
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Analysis of Spring Corn Sowing Time and Causes of Poor Emergence Rate
When should corn be sown in spring? What causes a poor emergence rate?
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Key Points for Spring Flower Sowing and Methods for Preventing and Controlling Edible Fungus Diseases
Key Points for Spring Flower Sowing
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Edible fungus disease prevention and control methods; chicken manure fertilizer is suitable for spring sowing of flowers
Chicken manure fertilizer is good for spring sowing of flowers
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Spring Bobeja (Gethyllis linearis) sowing diary
I just harvested the seeds of the Gethyllis linearis spring bobeja, so I sowed them right away. The weather today is good. This time I used a small pot for sowing and filled it more than half full with soil mixed by Kite himself.
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Key Technical Points for Spring Soybean Sowing in a Year of Severe Drought in Northeast China
Current drought situation in Northeast China and technical guidance for spring soybean sowing: I. Precipitation and temperature conditions last winter and this spring. In the autumn and winter of last year, the drought in Northeast China was severe, precipitation was lower than normal, and soil moisture was insufficient. From January to October 2007, the average precipitation in Heilongjiang Province was 402 mm, 20% less than the same period in previous years. In addition, this year's widespread "dry sealing of the soil" at the onset of winter was not conducive to soil moisture conservation. Since the beginning of winter, precipitation in southern Qiqihar, most of Daqing, the Hegang area, and some counties and cities in Jiamusi has been more than 90% less than the same period in previous years; other areas have had 10% to 90% less. In January 2008, the average precipitation across Heilongjiang Province was only 0.1 mm, 97% less than the same period in previous years, with most of the Songnen Plain and the western Sanjiang Plain receiving no precipitation at all for the entire month. After entering February, precipitation in various places continued to remain low. Snow depth across Heilongjiang Province also dropped significantly. Compared with the same period in previous years, snow depth in most areas of the province was about 25 cm less. In 2008, the area of cultivated land affected by drought before sowing in Heilongjiang Province may reach 50 million mu. In addition, the continuous warm winter was extremely favorable for soybean pathogens and pest eggs to survive the winter safely, and soybean diseases and insect pests may occur more heavily this year. The spring drought situation in Inner Mongolia is similar to that in western Heilongjiang Province.
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Detailed Explanation of Key Technical Points for Spring Sowing of Cotton
Determine the density according to variety, soil fertility and planting method, and plant at a reasonable density to achieve full emergence from a single sowing. Generally, for single-cropping spring cotton varieties, the density should be kept at about 3,500 plants per mu, with a row spacing of 1 m and a plant spacing of 19 cm; for semi-spring varieties, the density should generally be kept at about 4,500 plants per mu, with row spacing and plant spacing of 15 cm; for summer cotton varieties, on plots with good fertilizer and water conditions, the density should be kept at about 6,500 plants per mu; on plots with average soil fertility, it should be kept at about 7,500 plants per mu; and on dry, barren, low-yield plots, it should be kept at about 8,000-10,000 plants per mu.
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Detailed Explanation of Spring Sowing and Seedling-Raising Methods for Chinese Parasol Tree
The Chinese parasol tree (Firmiana simplex) is a deciduous tree of the genus Firmiana in the family Sterculiaceae, with a straight trunk and bright green bark. It is an excellent street tree species and has been widely used in urban and rural greening in recent years. Through several years of practice, the author has worked out a set of techniques for spring sowing and seedling raising of the Chinese parasol tree, presented as follows: Sowing time: in the Beijing plain area, sowing can be carried out from late March to early April after the soil thaws in spring. Soil preparation: before sowing, plow the soil deeply to 30 cm, remove weeds, tree roots and other debris, then carry out ridging or bed making and soil disinfection. Ridging and bed making: the Chinese parasol tree should be raised using high beds, wide ridges or containers, especially on loam and clay soils that easily become compacted. On sandy loam, low beds or flat beds can be used for seedling raising.
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Detailed Techniques for Spring Sowing and Seedling Cultivation of Chinese Parasol Tree (Part Two)
Seedling Management 1. Loosening Soil and Weeding After sowing, dicotyledonous weeds such as field pepperweed, Japanese hop, and amaranth will proliferate in large numbers. They can be removed manually or sprayed with 2,4-D at 1/1000. When weeding, follow the principle of "remove small, remove early, remove completely," with a soil loosening depth of 2 to 3 cm. 2. Fertilization and Irrigation Fertilize when seedlings reach 3 to 5 cm in height, applying 8 to 10 kg of compound fertilizer per mu, combined with irrigation; thereafter water according to soil moisture conditions. 3. Pest and Disease Control During the seedling stage of Chinese parasol tree, attention should be paid to the prevention of damping-off disease. Through measures such as early sowing, high-ridge seedling cultivation,
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