Apricot Tree Fertilization Irrigation Management Technology

(I) Fertilizer Every year from September to October, after the growth of new shoots ceases, sufficient basal fertilizer is applied, mainly organic manure such as barnyardgrass and chicken manure, with a certain amount of quick-effect fertilizer. The amount of fertilizer should be determined according to the tree size and growth conditions, usually 30 to 50 kg of organic fertilizer per plant, plus about 0.5 kg of fruit tree special compound fertilizer.
The pre-emergence, hard-nuclear and inflated stages should be topdressed. Before sprouting, available nitrogen fertilizer was the main, and 0.25-0.5 kg of urea was applied per plant. The hard-core period of fruits is mainly available nitrogen fertilizer. In combination with phosphorus and potassium fertilizers, 0.5-1.0 kg of diammonium phosphate can be applied to each plant. The fruit enlargement period is dominated by potash fertilizer. About 0.5 kg of potassium sulfate can be applied to each plant. Fertilizer should be applied in a ditch, and the soil should be covered immediately after application. In addition, during the entire growing season, foliar dressing may be performed according to the main growth phenophase, spraying urea, potassium dihydrogen phosphate, amino acid compound microelement fertilizer, and rare earth microelement fertilizer.
(2) Irrigation In addition to watering after each fertilization, irrigate the frozen water before freezing and fill the small water in front of the shed before covering the mulch to increase the ground temperature and promote root activity. Xiehua then re-filled with water to promote young fruit and new slightly accelerated growth, and to remove the plastic film. The hard core stage and the expansion stage of the fruit, according to the soil moisture condition, the appropriate amount of water, can reduce the fruit drop, increase the fruit. Before the fruit is harvested, proper water control is used to improve the fruit quality and avoid cracking before harvesting. After the shed is uncovered, it is generally not necessary to water, so as to prevent the branches from growing and the tree from being too large. When the weather is dry, it can be watered as appropriate.

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