Section 2
Chapter 1,265

The effect of applied nitrogen on the uptake of phosphorus and potassium by citrus trees

Okada, N.

Bulletin of the Shizuoka Prefectural Citrus Experiment Station 19: 29-40


Accession: 001264658

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Two-month-old natsudaidai seedlings were planted in clay pots filled with Nihondaira diluvial soil sampled from an 8-year-old natsudaidai orchard. N, P and K fertilizers were applied as (NH4)2SO4, Ca(H2PO4)2 and K2SO4, respectively, (singly or N + P or N + K) at rates of 0 or 2 g/pot each, half in May and half in October. Seedling fresh weights and N, P and K uptakes were increased by N application but not by P or K.

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