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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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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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What are the management measures for soybean during the flowering and podding stage? A detailed explanation
1. Topdressing with flower-pod fertilizer. Practice has proven that topdressing during the flowering and podding stage has an obvious effect on subsequently increasing flowers and preserving pods, reducing shedding, and raising yield. Fertilization method: at the early flowering stage of soybean (earlier for poor-growing plants, later for vigorously growing plants), apply 5-10 kg of urea per mu. If the soil has strong fertilizer supply capacity and the plants grow robustly, apply less or not at all, so as to avoid causing excessive vegetative growth, which may lead to lodging or increased flower and pod shedding. In combination with nitrogen topdressing at the flowering stage, foliar spraying of phosphorus and potassium fertilizers and trace fertilizers such as boron and molybdenum has an even better yield-increasing effect. 2. Drought resistance
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Key Management Points for Greenhouse Potatoes During the Tuber Formation Stage
1. Disease control. Spray in the field at the early stage of disease onset, using 75% thiophanate-methyl at 600-800 times dilution, or 40% carbendazim at 400-600 times dilution, or 600 times dilution of anthracnose fumei, to control anthracnose, powdery mildew, late blight, etc.; use 72% agricultural streptomycin at 20 grams per mu (667 sq m), or 25% qingkuling wettable powder, to control bacterial scab: use 72% puleike aqueous solution, or 30% eduling aqueous solution at 800 times dilution, or 70% mancozeb wettable powder at 500 times dilution, to control fusarium wilt and gray mold; use 20%
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Six precautions for catching adult fish during high-temperature periods
Production practice has proven that catching adult fish during the hot season should be done at night or in the early morning (before dawn), when the temperature is relatively lower, which helps keep the fish fresh. When catching, the following points should be noted: 1. If using a seine net to catch, preparation work should be done during the day, clearing away debris on the water surface of the fish pond that hinders seining. 2. If using a soft vinylon fishing net, the height of the net should match the water depth of the fish pond as closely as possible. If using a nylon net to catch adult fish in a relatively large fish pond, the mesh size should be about 8 cm; this way
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Key Points of Special Management Measures During Chicken Disease Outbreaks
Since disease in chickens causes physiological dysfunction, which affects their ability to adapt to the environment, their demand for nutrients, and endocrine regulation to a certain extent, if special management measures are taken at this time to provide auxiliary treatment, the results will be twice as effective with half the effort. Disease in feed chickens often leads to elevated body temperature and metabolic disorders; therefore, it is necessary to change the nutrients in the feed, their content, and the feeding method. First, increase the energy level; according to the degree of reduction in feed intake of sick chickens, the energy level should be raised to 1.2 times the normal level. Second, increase vitam
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How to fertilize cotton during the seedling stage? Master the right method to grow strong seedlings
During cotton sowing, seedling raising and transplanting, fertilization should be done correctly to ensure full, even and strong seedlings. Seedbed base fertilizer should be refined and moderate in amount. Cotton plants are small during the seedling stage and need few nutrients, so the amount of seedbed base fertilizer should not be too much, with emphasis on being refined and moderate. Organic fertilizer must be fully decomposed, and weed roots and stems should be removed. If bio-organic fertilizer is used, the amount per 10 sq m of seedbed should not exceed 5 kg, and the amount of compound fertilizer should not exceed 1 kg. If decomposed human manure and urine are used, apply them 20 days in advance, then plow and mix thoroughly with the soil. Urea cannot be used as seedbed base
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Topdressing Methods and Technical Key Points for Cotton During the Flowering and Boll Stage
Cotton fields are currently entering the flowering stage one after another. After this, cotton will enter the flower and boll stage lasting more than 50 days, which is the peak period of fertilizer demand for cotton. During the more than 50 days of the flower and boll stage, cotton continuously flowers and sets bolls, and its demand for nutrients is continuous and uninterrupted. Therefore, except for particularly fertile soil, topdressing is necessary to supplement nutrients. Topdressing during the flower and boll stage is an important task in the management of cotton during the flower and boll stage. 1. For plots short of fertilizer, increase the amount of topdressing. In areas where the per capita cotton planting area is relatively large, some villages still maintain a state of low input and low output
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Key Technical Points for Pest and Disease Control During the Cultivation Period of Gastrodia elata
Gastrodia elata is a commonly used traditional Chinese medicinal herb. It is a special seed plant with no roots and no green leaves; it cannot nourish itself and must rely on symbiosis with Armillaria mellea to obtain nutrients for reproduction and growth. Therefore, cultivating Gastrodia elata differs from growing green plants, and three key steps must be managed according to its growth patterns. First, the cultivation of Armillaria mellea-infected wood; second, the selection and cultivation of Gastrodia elata seed tubers; third, the symbiotic cultivation of Gastrodia elata with Armillaria mellea. In all three production steps there is a chance of contamination by miscellaneous fungi, and if any step is done poorly, especially under unfavorable conditions, it will lead to failure in Gastrodia elata cultivation.
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How to handle oyster mushrooms during the flush transition period? A detailed guide to practical management methods
When oyster mushrooms are in the flush transition period, the first step is to remove mushroom stumps and dead mushrooms. Use a sharp knife to dig out the roots without leaving any residue, and pull out the dead mushrooms. Second, for wall-style fruiting, use wooden sticks with a diameter of 2 cm to 3 cm to make holes in the mushroom wall, driving them from top to bottom to a point 20 cm from the bottom layer, then pour the prepared nutrient water into the holes. Irrigate little but often, and add enough water. The nutrient water can be rice-washing water, mushroom root soup, urea water, etc. For ground-cultivated fruiting, the nutrient water can be poured into the pool along with the irrigation water. Third, after pouring the nutrient water, stop watering for 5 to 7 days. During this time, keep the air humidity at
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