It is still an opportune time for the basal fertilization of jujube trees and we should seize the time to supplement them:
1, organic fertilizer to produce fixed fertilizer: the amount of saplings in general about 10 kilograms per plant, the results depending on the tree depending on the yield, generally in order to "quantitatively", or per acre into the 5-7 square. If there is no organic fertilizer such as circling, it can be replaced with bio-organic fertilizer, generally 2.5-3 kg per plant.
2, the tree size fat. Fertilizer is the auxiliary fertilizer of basal fertilizer. When applying organic fertilizer, adding some nitrogen, phosphorus, potassium and fertilizers of trace elements can speed up the absorption of early tree sprouting nutrients and guarantee the growth and development of jujube trees in early spring. Fertilizer application amount is generally 0.5 kg per urea, 0.5 kg diammonium, sub-Kefeng calcium calcium magnesium potassium 1.5 kg. The number of trees is increased appropriately, and small trees are appropriately reduced.
3, top dressing usually budding fertilizer, promoting flower fat, swelling fruit fertilizer, mainly in chemical fertilizers. The predominant nitrogen and phosphorus fertilizers were used in the early stage and phosphorus and potash fertilizers were the main components in the later stage.
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