Carefully selected. "Bitter melon" is hereditary, and should choose a variety that has no bitter taste and straight lines. Seed dressing with new high-fat film (can be mixed with seed coating agent), can avoid underground pests and diseases, isolate virus infection, does not affect germination and swelling function, strengthens breathing intensity and improves seed germination rate.
Rational fertilization. In the seedling stage, the application of nitrogen fertilizer should be controlled to avoid the plant lengthening; and the foliar fertilizer should be sprayed to stop the main shoots from mad, promote flower bud differentiation, multi-flowering, improve pollen fertilization quality, more flowering, more fruit set, anti-falling fruit and promote development. To the peak of flowering, it is necessary to strengthen the supply of nitrogen fertilizer. Spraying Zhuang Gu Ti Ling at the right time to promote the rapid development of the melon body, the melon shape is beautiful, the juice is delicious, the growth cycle is not falling, the melon is not dropped, the rate of cracking is reduced, and the melon is not deformed.
Watering in time. Drought should be avoided, and the drought will cause the plant to “physiological droughtâ€, which will allow more “bitterin†to enter the fruit. Spray new high-fat film at appropriate time to prevent water evaporation, sun-proof and drought-resistant, anti-soil layering.
Keep the temperature. When the ground temperature is below 13 °C, nutrients and water are affected, and there will be more bitter melons. If the ground temperature reaches 30 °C or longer and the duration is too long, the bitterness will increase.
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