Li Xinfu: What kind of fertilizer should be applied to plant organic red Fuji apples?
Xiao Q: In light of the actual situation, the reporter interviewed Ma Zhifeng, a professor and fruit expert at Yangling Vocational and Technical College.
Ma Zhifeng said that in the process of planting organic red Fuji apples, the application of sheep manure is better. Sheep manure is a hot fertilizer. It will dissipate heat during the fermentation process. It must be used after fermenting and fermenting. The sheep manure is relatively thin and the fat is thick. Unfermented pure sheep manure can also be applied to apple trees, but be sure to open the ditch (not too close) at the outer edge of the canopy. The ditch is 60 cm deep and the ditch is about 50 cm wide. The fertilizer should be mixed with the soil. After filling it, fill it in the ditch to prevent the fertilizer from being too concentrated.
At the same time, sheep manure and compound fertilizer are applied together, and the fertilizer efficiency is better. It should be applied to the outside of the canopy at the projection of the canopy to prevent burning of the roots, and watering should be done in time after fertilization. Fermented sheep manure can not only increase the organic matter content, but also the sheep manure is granular, which is equivalent to slow-release fertilizer, and the apple produced is very good.
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