Study on the effect of fertilizer application of urea fertilizer, urea and slow emancipation on growth and yield of Guangdong. Notice that the value of the tree height. The number of leaves and SPAD of Guangdong in the first period, 15 days after planting, obviously, urea fertilizer, normal high rate, especially the rate of urea fertilizer to 25 kilograms per Rai outstanding overall effect most probably will be because urea is the slow dissolution of plain and released, plant during the first somewhat with the age range of 30 and 45. After planting, it is possible that the urea normal start to liberate. Notice the high number of trees and the green of the forest with values. Likely lower compared to urea melt slower rate of 25 kg or 20 kg per Rai per Rai.
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