Agricultural Science Digest

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Agricultural Science Digest, volume 22 issue 4 (december 2002) : 246 - 248

SULPHUR:PHOSPHORUS RATIO IN RAPESEED AS AFFECTED BY PHOSPHORUS AND SULPHUR APPLICATIONS

Prashant Srivastava, Room Singh, P.C. Srivastava
1Department of Soil Science, G.B. Pant University of Agriculture and Technology, Pantnagar - 263145, India

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Cite article:- Srivastava Prashant, Singh Room, Srivastava P.C. (2025). SULPHUR:PHOSPHORUS RATIO IN RAPESEED AS AFFECTED BY PHOSPHORUS AND SULPHUR APPLICATIONS. Agricultural Science Digest. 22(4): 246 - 248. doi: .

ABSTRACT

A pot culture experiment was conducted to investigate the effect of phosphorus and sulphur application on the S:P ratio of different plant parts of rapeseed (Brassica campestris L. var. toria) crop grown on a clay loam soil having 16.6 kg/ha Olsen's P and 18.7 kg/ha 0.15% CaCl2-extractable S. The treatments consisted of factorial combinations of four levels each of P and S (0, 12, 24, and 36 mg/kg soil). Application of P at all levels significantly increased S:P ratio in seed but decreased it in stover part. The S:P ratio of whole shoot was also significantly decreased at 12 and 24 mg P/kg soil. Application of S at 12 and 24 mglkg soil levels significantly increased S:P ratio in seed but decreased it in stover and whole shoot. The highest yield of seed stover and whole shoot was recorded at S:P ratios 1.15, 3.38 and 2.17 in the respective plant parts achievable in treatments receiving 36 mg S and 24 mg P, 24 mg Sand 12 mg P,and 36 mg S and 24 mg P/kg soil, respectively.

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