One, without bitter cucumber seedlings. Bitter cucumbers can be inherited. Therefore, when the cucumber is about to mature, it is necessary to take a portion of the surface to taste and choose a bitter melon seed.
Second, fertilization should be reasonable. Seedling stage should be controlled by the application of nitrogen fertilizer, after gradually increasing the amount of nitrogen fertilizer, to the flowering period, the ratio of cucumber to nitrogen, phosphorus, potassium absorption is basically 5:2:6, nitrogen fertilizer or phosphorus, potassium is the most likely to produce too little bitterness.
Third, avoid high temperature or low temperature. When the ground temperature is below 13°C, the absorption of nutrients and moisture will be affected, and bitterness will be more; when the ground temperature is too high above 30°C, the bitter taste will increase.
Fourth, avoid drought. When the temperature is higher and the soil moisture is less, the plants are easily subject to physiological drought, and it is easy to produce bitter melon.
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