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Effect of rate and source of nitrogen fertilizers on mineral composition of d'Anjou pears


, : Effect of rate and source of nitrogen fertilizers on mineral composition of d'Anjou pears. Journal of Plant Nutrition 6(9): 769-779

Thirteen-year-old d'Anjou pear trees were fertilized with 3 rates of ammonium nitrate or 2 rates of calcium nitrate in late autumn from 1978 to 1980. In 1981, mid-terminal and fruiting spur leaves and fruit peel and flesh were analysed for N, P, K, Ca, Mg, B, Cu, Fe, Mn, and Zn. The level of N increased in the tissues as rate of N fertilizer was increased.


Accession: 001189172

DOI: 10.1080/01904168309363145

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Related references

Raese, J.T.; Staiff, D.C., 1983: Effect of rate and source of nitrogen fertilizers on mineral composition of cultivar d'anjou pears pyrus communis. Thirteen-year-old 'd'Anjou' pear trees were fertilized with 3 rates of NH4NO3 or 2 rates of Ca(NO3)2 in late autumn from 1978-1980. In 1981, mid-terminal and fruiting-spur leaves and fruit peel and flesh were sampled for mineral ana...

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