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What are the key technical points for flat-planting narrow-row dense planting of soybeans?
Key technical points for flat-planting narrow-row dense planting of soybeans: 1. Seed and treatment: For variety selection, choose suitable varieties according to the local ecological type and local conditions. 2. Seed quality: It must reach Grade II improved seed or above under the seed grading standard. 3. Seed treatment: Use seed coating agent for seed dressing, selected according to the types of pests and diseases and soil conditions. 4. Rotation and tillage land preparation: For crop rotation, use a rotation of more than 3 years, do not plant continuously or on adjacent stubble, and the previous crop should mainly be wheat-type crops. For tillage, adopt mainly deep loosening, combining loosening and harrowing, to facilitate drought resistance and moisture conservation. 5
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How should soybeans be harvested properly? A full breakdown of the key methods
Soybeans should be harvested promptly once mature. If harvesting is too late, the pods lose too much moisture and are prone to shattering and dropping seeds, causing losses. The suitable harvest period should be determined according to different harvest methods. When harvesting with a sickle, begin harvesting after all soybean leaves have fallen, as nutrient transport to the seeds has essentially stopped by then. Mechanical harvesting must be done after the whole plant is fully mature and dry. Manual harvesting is best done in the morning, when the soybean plants have a higher moisture content, so they do not prick the hands and are less prone to pod shattering. A low stubble height is required, with no "horse ears" left exposed and no missed cutting.
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What are the soil requirements for growing soybeans?
Soybeans are not strict about soil conditions for their growth and development. Apart from swampy land and saline-alkali land, the most suitable soil for growing soybeans is deep, rich in organic matter, well drained and irrigated, with strong water-holding capacity and a pH of 6.8-7.5. As for growing soybeans on red and yellow soil in mountainous areas, as long as attention is paid to fertilizer management, increased yields can also be achieved.
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Detailed Explanation of Key Techniques for Staged Sowing of Soybeans
Staged sowing can stagger the harvest period of fresh soybeans from that of corn, which helps extend the supply period, expand market capacity, and avoid the phenomenon of excessive supply caused by large-scale concentrated market entry, where large volume leads to low prices and increased production without increased income. It can also alleviate the labor conflict during the busy farming season to a certain extent. To do a good job in staged sowing, the key is to achieve the following four points. 1. Observe local market conditions. When growing fresh soybeans and corn, high yield is not the goal; high efficiency is what matters. "Rare things are precious," and market prices are always inversely proportional to
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Key Cultivation and Management Techniques for High-Yield Soybeans
Seed treatment. Generally, seed selection by hand is adopted, removing small, mixed, diseased, and insect-damaged seeds to achieve uniform hilum color. Before sowing, conduct 1-2 germination tests; a germination rate above 95% qualifies the seeds for planting. Before sowing, for each kilogram of seed, use 1-2 grams of ammonium molybdate dissolved in 30 grams of warm water and mix into the seed; after drying in the shade, mix in soybean rhizobium fertilizer at 5% of the seed weight; after drying in weak light, the seeds can be sown, mixing and using as you go. Field selection. Generally choose plots following corn, sorghum, millet, and similar crops, avoiding continuous cropping and adjacent cropping. Land preparation. Harrow the land in mid-March.
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How to Grow Soybeans for High Yield? Detailed Explanation of Key Cultivation Techniques
1. Crop rotation selection: Choose level, low-lying land with good drainage, where the previous crop received adequate fertilizer and the soil is fertile - wheat, corn, potatoes, and melon or vegetable plots are best. Do not plant after continuous cropping or after sunflowers; compared with proper rotation, yield will decrease by 21.3%. 2. Land preparation and fertilization: Autumn plowing, land preparation, and fertilization are best, as this helps preserve soil moisture and freeze insect eggs to death. If preparing land in spring, it must be done during the thawing period. When preparing the land, according to soil fertility, generally apply more than 2 cubic meters of high-quality farmyard manure per mu, 10Kg of diammonium phosphate, and 5Kg of potassium sulfate, mix evenly, and apply before ridging as base fertilizer. 3. Seed dressing with chemicals: To control underground pests, you can use
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Detailed Explanation of Sprinkler Irrigation Techniques for Soybeans During the Pod-Filling Stage
When soybeans enter the pod-filling and maturation stages, they still need some water and nutrients to promote material accumulation and maturation, improve the seed-setting rate, and increase yield. For many years, when soybeans enter the pod-filling stage, conditions are generally very dry, which adversely affects the pod filling and maturation of the top and upper pods. In response, some farmers use sprinkler irrigation with well water during this period to alleviate the drought. Production practice has proven that soybeans sprinkler-irrigated with pumped water during the pod-filling stage not only fail to promote maturation after one week, but instead cause some branches and plants to turn yellow prematurely or even die, thereby reducing yield. The reason is that soybeans
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What causes soybeans to produce many flowers but few pods?
At present, many farmers growing soybeans have found that in some plots the soybean plants produce many flowers but few pods. The reasons can be found through a "five checks." First, check the soil structure and analyze whether the soil pH value is too high, and whether the field has been repeatedly cropped with soybeans or is a continuous cropping field; second, check the fertilizer content and analyze whether the ratio of nitrogen, phosphorus and potassium in the applied chemical fertilizer is reasonable; third, check the planting structure and analyze whether the planting density is reasonable; fourth, check the plant roots and analyze whether pests and diseases have occurred on the roots; fifth, check the soil moisture and analyze whether the moisture content is too high or too low, since both excessive drought and excessive waterlogging will affect the pod-setting rate. Only by carefully
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Detailed Explanation of Key Management Techniques for Soybeans During the Flowering and Podding Stage
During the flowering and podding stage, soybeans require thick, sturdy stems and dark green, thick leaves free of spots. Field management mainly focuses on preventing premature aging, controlling excessive vegetative growth, preserving flowers and increasing pods, and preventing shedding. 1. Skillful application of flower fertilizer. The flowering and podding stage is the period when soybeans absorb the most nutrients, and skillful application of flower fertilizer can generally increase yield by more than 15%. At the early flowering stage of soybeans, generally 5-10 kg of urea is applied per 667 sq m as a topdressing; for poorly growing plants, more should be applied, while for robust and luxuriant plants, less or no topdressing should be applied. In conjunction with nitrogen fertilizer application at the flowering stage, phosphorus, potassium, and trace element fertilizers such as boron and molybdenum should be sprayed on the leaves. Generally, 2 sprays are applied, each time per
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How to Grow High-Yield Soybeans? A Detailed Guide to the "Four Changes and One Addition" Cultivation Technique
Traditional drill sowing of soybeans results in narrow rows and overcrowding, and along with various other factors, yields have long hovered around 100-150 kg. Through years of experimental research, we have developed a new approach that can increase soybean yields by more than 40%, namely the "Four Changes and One Addition" technique. The usual measures for increasing soybean yields include, besides selecting new high-quality, high-yield varieties, paying attention to crop rotation. According to experiments, after years of continuous cropping, soybeans show slow growth, short plants, yellowing lower leaves, early leaf drop, and few pods with small seeds. Experiments
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