Spring planting winter jujube work should be fine
Late spring and late planting Winter jujube is a thermophilic variety, and the average temperature begins to sprout at 14°C. Thin winter jujube, if planted in early spring, easy to dry and dehydration, affect the survival rate. Through experiments, it can be found that the survival rate of planting in late spring is 11% higher than that in early spring, and the false death rate is decreased by 7%. Dig large pits and apply fertilizer Before jujube trees are planted, large holes should be dug, usually 1 meter square, 80 centimeters deep, mix the topsoil with the base fertilizer and fill it in the bottom. Each farmer fertilizer 50 kg, 0.5 kg of diammonium phosphate, and watering compaction. Lower the tree plate, avoid salt pressure alkali According to the law of running water and salt under the principle of “water running low and salt going highâ€, when planting, a tree tray with a surface area of ​​3 square meters and 15 cm below the ground is trimmed under the tree to accumulate rainwater and avoid salt and alkali. Covering film After the seedlings are planted, cover the ground with a 1 m2 mulch. The covered ground is slightly lower in the middle and slightly higher in the surrounding area. It is in a pot-like shape and is tightly packed with soil around the mulch and the trees. Spring mulching can increase soil temperature, maintain soil moisture, prevent salt from moving upwards, promote root growth early, and significantly reduce seedling growth. In summer, the plastic film should be peeled off in time to prevent excessive ground temperature and inhibit root growth. Tree tray cover When the film is peeled off at high temperature, we can use the wheat straw to cover the tree plate and make it about 20 cm thick. In the second year, we can thicken it by 10 cm. It can save the cultivating and weeding, and it can change the drought resistance and alkalinity, keep warm and moisturize, and increase. Humus, improve the role of soil.
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