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Journal of Plant Production
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Abd El-Nabi, H., El-Gamily, E., Keshta, N. (2013). RESPONSE OF POTATO PLANTS TO POTASSIUM AND PHOSPHORUS FERTILIZATION. Journal of Plant Production, 4(2), 107-122. doi: 10.21608/jpp.2013.68961
H. M. E. Abd El-Nabi; E. I. El-Gamily; Nahla A. R. Keshta. "RESPONSE OF POTATO PLANTS TO POTASSIUM AND PHOSPHORUS FERTILIZATION". Journal of Plant Production, 4, 2, 2013, 107-122. doi: 10.21608/jpp.2013.68961
Abd El-Nabi, H., El-Gamily, E., Keshta, N. (2013). 'RESPONSE OF POTATO PLANTS TO POTASSIUM AND PHOSPHORUS FERTILIZATION', Journal of Plant Production, 4(2), pp. 107-122. doi: 10.21608/jpp.2013.68961
Abd El-Nabi, H., El-Gamily, E., Keshta, N. RESPONSE OF POTATO PLANTS TO POTASSIUM AND PHOSPHORUS FERTILIZATION. Journal of Plant Production, 2013; 4(2): 107-122. doi: 10.21608/jpp.2013.68961

RESPONSE OF POTATO PLANTS TO POTASSIUM AND PHOSPHORUS FERTILIZATION

Article 1, Volume 4, Issue 2, February 2013, Page 107-122  XML PDF (849.58 K)
Document Type: Original Article
DOI: 10.21608/jpp.2013.68961
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Authors
H. M. E. Abd El-Nabi; E. I. El-Gamily; Nahla A. R. Keshta
Vege. & Flori. Dept., Faculty of Agriculture, Mansoura University. Egypt.
Abstract
Two separate experiments were carried out in a private farm in El-Matria; Dakahlia Governorate, Egypt during two successive seasons 2009/2010 and 2010/2011 to study the effect of potassium sources (potassium mono phosphate 52% K2O potassium sulphate 50% K2O and potassium citrate 38% k), levels (0, 60 and 120 kg K2O/ fed for each source), phosphorus sources (calcium super phosphate 15.5 % P2O5, rock phosphate  30 % P2O5 and phosphoric acid  85 %P2O5)  and levels  (0, 30 and 60 kg P2O5/fed  for each source)  on  vegetative growth,  tuber  yield and chemical constituents of potato (Solanum  tuberosum  L.) "Spunta". Treatments were arranged in randomized complete block design in three replicates. The obtained results indicated that both potassium mono phosphate  at  120 kg K2O/fed  and  phosphoric acid at 60 kg P2O5/fed  gave the  highest  values of  vegetative  growth  parameters, tuber yield and its quality in both seasons as compared with other treatments and the differences were significant.
Keywords
K-fertilization; P-fertilization; forms; levels; potato plants
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