Sesame high-yield chasing "three fats"

In order to obtain high-quality and high-yield sesame seeds, in addition to using excellent varieties, it is necessary to carry out scientific and reasonable topdressing, specifically:

In the seedling stage, due to the excessive application of nitrogen fertilizer at the bottom, the seedlings tend to grow and form high-stem seedlings. Therefore, only a part of nitrogen fertilizer is used as the base fertilizer in the sesame seedling stage. The masses have the saying that "seeing seedlings and fattening". When the seedlings are very poor or the seedlings differ in size, the seedling fertilizer can be applied in small amounts to dilute the mature manure or urea. Because the sesame root system is shallow at this time, it should be applied as shallow as possible when fertilizing.

The bud stage of sesame in the bud stage is the flower bud differentiation stage. The vegetative growth and reproductive growth of sesame go hand in hand at the same time. Topdressing should be based on nitrogen fertilizer, supplemented by phosphorus and potassium fertilizers. Boron fertilizer should be applied in areas where boron is absent.

At the flowering stage, sesame seeds grow most rapidly during the flowering stage, and the nutrients absorbed in this period account for 70% to 80% of the whole growth period . In order to meet the needs of plant growth and development, the sesame grows vigorously, accumulates more photosynthetic products, increases the number of flower buds, and the long-term stability does not prematurely decay, so that the grain is full and full, and the flower fertilizer must be re-applied. At this time, the lateral roots have begun to form in large quantities, the absorption capacity of the root system is enhanced, the growth rate of the plants is accelerated, and the demand for nutrients is also significantly increased. It is convenient to use fertilizer when fertilizing, and it is also possible to apply decomposed cake fertilizer, manure, and manure.