Comparison of the effects of phosphate fertilizer on the yield, phosphate content and quality of 22 different vegetable and agricultural crops

@inproceedings{Greenwood1980ComparisonOT,
  title={Comparison of the effects of phosphate fertilizer on the yield, phosphate content and quality of 22 different vegetable and agricultural crops},
  author={David J. Greenwood and Thomas J. Cleaver and Mary K. Turner and Joyce Hunt and K. B. Niendorf and Smh. Loquens},
  year={1980}
}
Fifty-six experiments, each with 15 levels of P fertilizer in the presence of excess N and K fertilizer, were carried out on adjacent sites of the same field where the soil was maintained at the same low P status. Yields, in every experiment where there was a response, were related to level of P fertilizer by a diminishing-retums type curve, and fitted an inverse polynomial equation with a single parameter to define responsiveness. Responsiveness of many crops were similar but there were… CONTINUE READING

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