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Four key steps to master for raising watermelon seedlings in a heated hotbed
Raising watermelon seedlings in a heated hotbed has the characteristics of fast warming, even temperature, low cost and simple operation. It can cultivate robust watermelon seedlings in January and February when the air temperature is very low, and its seedling-raising effect is similar to that of an electric heating hotbed. 1. Build the seedbed. First dig a bed pool 4.5 m long from east to west, 1.6 m wide from north to south and 0.2 m deep...