Paul, J.; Sandal, S. K.; Suri, V. K.; Dhiman, A. K. Verification of Fertilizer Recommendation Models for Conjoint Use of Organic and Inorganic Fertilizers for Specific Yield in Rainfed Soybean (Glycine Max) - Wheat (Triticum Aestivum) Cropping Sequence*. Indian J Agri Sci 2008, 78 (7).