Precociously cultivated cowpea sheds
In recent years, cultivation of kidney beans in Zaozhuang area in early spring and early ripening and small arch shelters has developed rapidly, with good returns and higher mu income. Its cultivation techniques are as follows: Site preparation fertilization The soil with deep soil layer and convenient irrigation and drainage is deep-frozen before winter, and 4,000 kg of high-quality organic fertilizer and 30 kg of diammonium are used as base fertilizer per acre. Selection of fine varieties of early mature, short-stemmed, good quality, resistant to transport of French ground pea varieties. Cultivate strong seedlings in the second half of the month to use greenhouse nursery, nursery seedlings use 10 cm 10 cm nutrition blocks, each seeding 3 to 4 tablets, nutrient blocks with 800 times carbendazim liquid soaking, and then cover the soil 1.5 cm. After sowing until emergence, keep the day temperature at 18-25 °C, not less than 12 °C at night. After unearthed young bacteria, maintain 20 ~ 25 °C during the day, at night to maintain 13 ~ 15 °C, appropriate ventilation at noon, before planting 4 ~ 6 days to cool down the hardening of the seedlings, the daytime temperature above 15 °C, at night not less than 11 °C. Timely planting in mid-March, seedling age can be planted in about 20 days. Before planting, the culms were planted with 30 cm spacing and 40 cm spacing. The depth of the hole was to make the surface of the nutrition block level with the surface. Then, pour enough water to be placed on the soil after the infiltration of water, covering the film, before the slow seedlings to keep the arch within the daytime 22 ~ 25 °C, 15 °C above the night is appropriate. After 7 days of field planting and timely cultivating, the cultivator should take care not to smash the nutrient blocks. After the initial flowering period, the first batch of pods should be poured with a small amount of water after settling fruit, and apply 20 kg of diammonium to Mushi. The fertilizer should be topdressed once every 15 days. Each mu of urea 10 kg, chase a fertilizer 2 times, to maintain the wet see dry see wet, such as with water flushing rot cooked water, increase production better. The cover is removed when the temperature is suitable for the growth of cowpea in early May. At the same time pay attention to the prevention and control of pests and diseases: aphids can be used 40% omethoate 1000 times spray control; cowpea rust available powder must be clear, 30 kg per bag water spray control. Timely harvesting Nenjang grows in time when it grows to a large size, otherwise it will affect quality, consume more nutrients, and adversely increase yield. The harvesting season is usually harvested once every 2 to 3 days. Take care not to miss the picking and not to damage the stems and leaves. Chinese Agricultural Editor