Effect of nitrogen fertilization on the area and colour of the leaves of peach trees

Chhonkar, V.S.

Indian Jour Hort 9(2): 1-7


Accession: 013693397

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Peach trees 3 yrs. old in sod were given from 0.075 to 0.6 lb. N each in Ohio. N-deficiency symptoms developed by the end of July in the trees with the smallest application. The total N content of mid-shoot leaves varied from 2.39 to 3.72%. Increasing amounts of N applied resulted in larger, deeper green leaves, with a higher N content. Leaf color was found a reliable indicator of N nutrition.