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Calibration of the available soil phosphorus values found by the modified Hellige-Truog method in view of the phosphorus requirements of sugar beet. 2. Calculation of the most profitable application rates of phosphorus fertilizer for farmers

Barker, S.

Seker 11(87): 44-56

1973

Accession: 000034354
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The optimum economic rates of P2O5 application in the light of current sugar and superphosphate prices were calculated for 5 factory groups, 5 levels of available soil P and 2 different types of management. For an average maximum yield of 52 t roots/ha on small farms and under irrigated conditions, optimum economic rates of applied P2O5 were 210, 170, 130, 70 and 20 kg/ha for very low, low medium, high and very high levels of available soil P, respectively.

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