Shantou seedling stage cultivation management

Shantou seedling stage: It is mainly rooted and long-leaved. The three-leaf stage is dependent on the nutrient stored in the seed pod for growth and development. After the three-leaf stage, the root absorbs nutrients from the soil for growth. Therefore, after the emergence of steamed buns, strong seedlings should be applied to meet the transformation of the seedlings from autotrophic to heterotrophic, so as to avoid the effects of the lack of fertilizers on the growth and development of the seedlings. The top dressing of the steamed bread at the seedling stage must pay special attention to light-handling facilities, and must not fertilize too much at a time, and must not use fertilizers with higher concentrations.

The steamed bread is very sensitive to fertilizers. At a slightly higher concentration, it can easily cause burning of seedlings and cause stiff seedlings. In particular, the root system of steamed bread is more sensitive to fertilizer concentrations. When the concentration is slightly higher, we must burn the root system and even stop growing. Shantou after sowing seedlings 1-2 true leaves will be followed by weaning fertilizer, generally about 15% of the concentration of human urine per acre (1 load of human waste plus 500 kg of water), plus superphosphate 2 kg, uniform After pouring.

Shantou seedlings before the 5-6 leaf stage, then cast urine 1-2 times. Seedlings require moist moisture. After emergence, if there are underground pests, phoxim 1000-1500 times liquid pouring can be used for prevention and control.

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