Winter and spring squash cultivation is a short-term, flat, fast, fast-paced production. Under normal circumstances, winter sorghum sun-dried greenhouse zucchini planted earlier, should cover the roof of the greenhouse before the frost, then remove the residual weeds in the room, level the ground, apply organic fertilizer. Organic Fertilizer number generally less than a winter crop large, high-quality manure per hectare is generally 75,000 ~ 112,500 kg, 450 to 750 may be mixed SSP kg / ha conditional, potassium sulfate 450 to 600 kg / ha, Cake fertilizer 2250 ~ 3000 kg / ha, ammonium bicarbonate 750 kg / ha, using a combination of ground application and ditch centralized application. However, the ditch should be combined with the planting form of the donkey. After the application, the soil should be turned 40 cm deep , the clods should be broken, the soil and manure should be fully mixed, and the ground should be leveled.
The planting ditch is about 10 cm deep according to a large line spacing of 80 cm and a small line spacing of 55 to 60 cm . If the method of concentrated application by ditching is used, fertilize, water and then ridge after ditching. The ridge height is about 25 cm, the bottom of the ditch is about 30 cm wide , and a ridge for walking is found between the large lines of 80 cm. The two ridges separated by 55 to 60 cm are covered with a mulch, and the mulch is placed about 10 cm on the outside of the two ridges .
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