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What are the key management techniques for summer soybean in the mid-to-late growth stage?
How should summer soybean be managed in the mid-to-late growth stage? Please give an introduction. During the flowering and pod-setting stage, soybean growth enters a vigorous period, and vegetative growth gradually reaches its peak; this is the period when soybean needs the most fertilizer and water in its entire life cycle. Sufficient fertilizer and water, strong light and enough carbon dioxide help promote soybean flowering and pod-setting. The high yield of soybean...
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What are the control methods for the meadow moth on summer soybeans?
How to control the meadow moth on summer soybeans? Please allow me to explain. The meadow moth on soybeans has risen from a secondary key pest of summer soybeans in the past to a primary key pest. Newly hatched larvae feed on the mesophyll of tender young leaves, leaving the epidermis; after the 3rd instar their food consumption increases greatly, and they eat the leaves into notches with only the veins remaining. In ordinary years yield is reduced by 10%-15%, in severe years...
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Common soybean diseases and how to prevent and control them
What diseases need to be prevented and controlled when growing soybeans? Here is an introduction. The diseases that need to be prevented and controlled when growing soybeans are: 1. Soybean root rot: This disease can occur and cause damage throughout the entire growth period of soybeans, reducing yields by 25-75% or more. The protein content of affected seeds is significantly reduced. The main symptom is the appearance of dark brown...
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What are the key measures to prevent low yields in soybean cultivation?
How can low yields be prevented in soybean cultivation? Please give guidance. In current agricultural production, soybeans are basically grown without fertilizer (especially in summer soybean production areas). The main reason is that most people believe soybeans can fix nitrogen, so growing soybeans does not require fertilizer, and they can also leave a certain amount of nitrogen for the following crop. It is precisely because of this mistaken understanding that gr...
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When is the best time to control the soybean pod borer?
When is the best time to control the soybean pod borer? Here is an introduction. The soybean pod borer is a major pest in soybean production. In ordinary years the pod damage rate is 5%-10%, and in severe years it can reach 30%-60%. Damaged beans not only reduce yield but also degrade quality. Mastering the right timing and methods for controlling the soybean pod borer can...
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How to control bean hawkmoth in soybean cultivation
How to control bean hawkmoth when growing soybeans? Please introduce the soybean bean hawkmoth: Damage symptoms The bean hawkmoth feeds on leaves as larvae. Young larvae eat them into a net-like, notched pattern, and after the third instar the larvae can eat all the soybean leaves, preventing the plants from setting pods, which has a huge impact on yield. Occurrence pattern From mid-to-late July to August...
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Methods and Key Technical Points for Supplementing Soybeans with Micronutrient Fertilizers
How do you supplement soybeans with micronutrient fertilizers? Please give an introduction. Soybeans need some trace elements for normal growth and development, among which the more important ones are molybdenum, boron, zinc, manganese, etc. Molybdenum is a component of the nitrogenase in soybean root nodules and an indispensable component for the normal life activities of nitrogen-fixing bacteria. Boron is also very important in the life activities of soybeans; with boron deficiency, soy...
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What should be noted when sowing soybeans in summer?
What should be noted when sowing soybeans in summer? Please give an introduction. When sowing soybeans in summer, the following points should be noted: First, strictly control the seed. First, the growth period should be suitable. If the maturity period is too early, the yield will decrease; if the maturity period is too late, it will affect the planting of the next crop; second, the quality should be excellent. Generally, the oil content of oil-type soybeans is required to reach more than 21%...
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Summer control methods for the soybean stem miner fly
How to control the stem miner fly when planting soybeans in summer? Please give an introduction. The bean stem miner fly belongs to the order Diptera and the family Agromyzidae, and is a widely distributed boring pest of legumes. The newly hatched larvae enter through the leaf veins and the tender parts of the leaf stalks, then bore into the branches and main stem to feed on the pith and xylem. If control is not timely, in light outbreak years the damage rate of soybean plants...
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Key Management Techniques for Summer Soybean During the Flowering Stage
How should summer soybeans be managed during the flowering stage? Please provide guidance. Summer soybeans during the flowering stage can be managed by referring to the following methods: 1. Cultivation: In the late flowering stage of summer soybeans and when the plants enter the period of simultaneous vegetative and reproductive growth, temperatures are high, light is intense, and plants grow quickly, with the average plant height typically increasing by 2-... per day.
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