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the ways of top dressing
Jun 12, 2017

Summer fruit tree top dressing methods are rooted topdressing and foliar spraying.

 

Under the root of the next seasoning fertilizer tree fertilizer should be phosphorus, potassium-based fertilizer, with topdressing a small amount of nitrogen fertilizer. The amount of topdressing depends on tree species, age, fruit and base fertilizer. For those who have not entered the results of the tree can be topdated with phosphorus, potassium fertilizer 0.2 ~ 0.25 kg. On the general results of the tree, each plant chase the superphosphate 2.5 to 3 kg, 10 ~ 15 kg of ash, ammonium sulfate 2 kg. Top dressing method is in the crown vertical line to the 1 meter at the circle to dig, the distance of 30 to 40 cm, 15 to 20 cm deep hole, after the cover soil. Conditional orchard dressing after watering.

 

Foliar spray fertilizer in the fruit enlargement period foliar spray has enhanced tree vigor, fruit enlargement, improve the quality of the role. Spraying concentration of ammonium sulfate 0.2%, urea 0.3% to 0.5%, potassium sulfate 0.3%, 1% to 3% of superphosphate, potassium dihydrogen phosphate 0.3%. Mountain fruit foliage spray fertilizer effect is better.








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