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Bansal, R K and Leeuwestein, R (1987) Performance evaluation of an oscillating trough-type fertilizer applicator. Journal of Agricultural Engineering Research, 36 (2). pp. 101-114. ISSN 0021-8634
Rao, J V D K K and Thompson, J A and Sastry, P V S S and Giller, K E and Day, J M (1987) Measurement of N2-fixation in field-grown pigeonpea [Cajanus cajan (L.) Millsp.] using15N-labelled fertilizer. Plant and Soil, 101 (1). pp. 107-113. ISSN 0032-079X
Sahrawat, K L and Keeney, D R and Adams, S S (1987) Ability of nitrapyrin, dicyandiamide and acetylene to retard nitrification in a mineral and an organic soil. Plant and Soil, 101 (2). pp. 179-182. ISSN 0032-079X
Sahrawat, K L (1987) Soil Testing Methods For Nitrogen. In: Training Course on Soil Testing and Fertilizer Use, 3rd Nov. -2nd Dec. 1987, A P Agriculture University, Hyderabad.
Seetharama, N and Krishna, K R and Rego, T J and Burford, J R (1987) Prospects for Sorghum Improvement for Phosphorus Efficiency. In: Workshop on Evaluating Sorghum for Tolerance to Al-Toxic Tropical Soils in Latin America, 28 May - 2 Jun 1984, Cali, Columbia.