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Further effects of manurial treatments on yield, composition and nutrient uptake of potato tubers, and on soil properties (1976–9)

Published online by Cambridge University Press:  27 March 2009

R. C. Sharma  and
J. S. Grewal
R. C. Sharma
Affiliation:
Division of Crop and Soil Science, Central Potato Research Institute, Shimla 171 001, India
J. S. Grewal
Affiliation:
Division of Crop and Soil Science, Central Potato Research Institute, Shimla 171 001, India
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Extract

The efficient use of fertilizers is important because fertilizers are one of the costliest inputs in crop production. Compared with N fertilizers, P and K fertilizers are subject to less leaching and leave sufficient residues in the soil, which are utilized by the succeeding crop. Thus a knowledge of the residual effects of P and K fertilizers is essential when formulating a fertilizer programme. In order to test the 1st year residual as well as longer-term effects of P, K and farmyard manure (FYM) on tuber yield and soil properties, a manurial experiment was started in 1970 on an acid hill soil at Fagu, Shimla representing the North Western Himalayan hills of India, at an elevation of 2500 m above sea level. The results of the experiment from 1970 to 1975 have been reported by Sharma, Grewal & Singh (1980) and the results from 1976 to 1979 are reported in this paper.

Type
Short Notes
Information
The Journal of Agricultural Science , Volume 107 , Issue 2 , October 1986 , pp. 479 - 482
Copyright
Copyright © Cambridge University Press 1986

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References

Sharma, R. C., Grewal, J. S. & Singh, M. (1980). Effects of annual and biennial application of farmyard manure, phosphorus and potassium on tuber yield, nutrient uptake and soil properties. Journal of Agricultural Science, Cambridge 94, 533–538.CrossRefGoogle Scholar
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