New technology of soybean topping to increase yield
The terminal bud of soybean has strong growth ability and consumes a lot of nutrients. Removing the terminal bud of soybean to transfer the nutrients to the pod is beneficial to increase yield, especially for the soybean with high soil fertility and strong growth, the effect of increasing yield is more significant when the terminal bud is removed in time.
The method of removing the top bud of soybean is as follows: in the early flowering stage of soybean growth peak, the top of the main stem is removed from 2 cm to 3 cm tender head, so that the top growth is inhibited, nutrients are concentrated to supply reproductive growth, promote more flowering and pod, which is beneficial to make the plant short and strong. enhance stress resistance.
Soybean topping should be "three appropriate" and "three unsuitable": it should be carried out before flowering, and do not take off the top after flowering; it is appropriate to be fat rather than thin, and the plants with good fertilizer and water, high fertility and strong growth can be peeled, and on the contrary, they should not be picked; they should be sparse and not dense, and the sparsely planted soybean and vigorous plants should be picked at the right time, which is beneficial to increase production.
When soybeans bloom, spraying 0.05%-0.1% molybdenum fertilizer at the right time has an obvious effect on increasing production.
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Cultivation method of narrow row and close planting of soybean
Narrow-row and close-planting cultivation of soybean is an advanced cultivation technique with large application area and rapid development in the world. Since the early 1990s, on the basis of digesting and absorbing foreign technology, combined with the natural characteristics and production conditions of our province, we have explored the narrow-row and close-planting cultivation techniques of soybean which are suitable for the production conditions of our province. Soybean narrow row close planting can be divided into two modes: horizontal cropping narrow row close planting and ridge planting narrow row close planting. The former high-yield cultivation technique is flat sowing, flat tube, narrow row and close planting to the end, while the latter is based on ridges.
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Ten ways to increase soybean production
First, when the soil moisture is sufficient for seedling replanting and the time can catch up, soak the seeds with the original varieties for 2-3 hours and then replant; although the soil moisture is sufficient, the farming time is already late, you can speed up budding and replanting or replanting with precocious varieties; if the replanting time cannot catch up, seedlings with not less than one compound leaf can be taken and transplanted with soil as early as possible in cloudy or sunny afternoons, and watered immediately after planting to facilitate survival. Second, if the soybean has the trend of overgrowth or greedy green late maturity, the top of the main stem can be removed about 2 cm at the early or full flowering stage of the soybean. Or use sharp iron about 33 centimeters long
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