High-yield cultivation techniques for greenhouse green asparagus

Seedbed management: As the asparagus seeds can germinate above 10 °C, the maximum temperature is 25--30 °C, the temperature of the seedlings in the greenhouse is still low, and the grass on the shed should be covered at night. When 60% of the seedlings are topped, the mulch film should be removed in time. After the seedlings are out, the wind is released. The wind should be covered at 11 o'clock in the morning and 2 o'clock in the afternoon. The air outlet is small to large. As the seedlings grew up, all of them were uncovered. During the seedling period, the daytime temperature is preferably controlled at 20-25 °C, and at night it is preferably maintained at about 18 °C.

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