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Sahrawat, K L and Kumar, G R and Rao, J K (2002) Evaluation of triacid and dry ashing procedures for determining potassium, calcium, magnesium, iron, zinc, manganese, and copper in plant materials. Communications in Soil Science and Plant Analysis, 33 (1-2). pp. 95-102.
Sahrawat, K L and Rao, J K and Burford, J R (1987) Elemental composition of groundnut leaves as affected by age and iron chlorosis. Journal of Plant Nutrition, 10 (9-16). pp. 1041-1049. ISSN 0190-4167
Sahrawat, K L and Rahman, M H and Rao, J K (1999) Leaf phosphorus and sorghum yield under rainfed cropping of a Vertisol. Nutrient Cycling in Agroecosystems, 54 (1). pp. 93-98.
Rao, J K and Sahrawat, K L and Burford, J R (1987) Diagnosis of iron deficiency in groundnut,Arachis hypogaea L. Plant and Soil, 97 (3). pp. 353-359.