Studies on the calibration method for phosphorus application on wheat
1999
Farmanullah, K. | Bhatti, A.U. | Rizvi, S.A. | Perveen, S. (NWFP Agricultural Univ., Peshawar (Pakistan). Dept. of Soil Science)
Yield response of wheat to applied p was studied in Pirsabak soil series (Pakistan). Dry matter yield, Plant height and number of tillers per plant showed positive response to adjusted available P at low levels, while negative response was observed for these parameters at higher levels. Phosphorus content of soil and P content of leaf showed corresponding increase to the adjusted available P. The derived non linear equations can be used to calculate the optimum requirement of phosphorus for wheat crop.
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