The dry land spacing is 35 to 40 centimeters, the plant spacing is 8 to 10 centimeters, and 16,000 to 20,000 plants are planted per mu. If the hole is sown, the distance between the points is 20 to 25 centimeters, leaving 20,000 to 30,000 plants per mu. The irrigated plants were sowed at a spacing of 10 to 15 cm, the sowing pitch was 20 to 25 cm, and 14,000 to 16,000 plants were planted per acre.
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