A: Zeng Jianbo Senior Agronomist
The value of watermelon in spring greenhouses depends on the facilities and weather conditions. To monitor the ground temperature of 10 cm, self-rooted shoots need to be stable above 15°C. Pumpkin seedlings grafted seedlings need to be stable above 12°C before planting. In addition, look at the weather forecast and try to have more than 4 days of sunny days after planting.
Irrigation should be heated as early as 10 days before planting, and the temperature should be raised in the shed. Watering or spotting should not be performed during planting. This can prevent the ground temperature from decreasing due to watering. If the soil moisture content during planting is low, you can use water at a sunny hour or mu for 2-3 cubic meters to avoid flooding.
Protein: The protein based on a certain indicator negative charge attracts protein cationic, ionizing causes the color change.
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