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Awadhwal, N K (1989) A concept of time-density reducibility for soil. Geoderma, 44 (4). pp. 329-334. ISSN 0016-7061
Bonsu, M and Laryea, K B (1989) Scaling the saturated hydraulic conductivity of an Alfisol. Journal of Soil Science, 40 (4). pp. 731-742. ISSN 0022-4588
ICRISAT, - (1989) Management of Vertisols for improved agricultural production: proceedings of an IBSRAM Inaugural Workshop, 18-22 Feb 1985, ICRISAT Center, India. International Crops Research Institute for the Semi-Arid Tropics, Patancheru, Andhra Pradesh, India. ISBN 9290661399
Pathak, P and Laryea, K B and Singh, Sardar (1989) A modified contour bunding system for Alfisols of the semi-arid tropics. Agricultural Water Management, 16 (3). pp. 187-199. ISSN 0378-3774
Sahrawat, K L (1989) Comparative evaluation of biological and chemical methods to determine nitrogen mineralisation coefficient of tropical rice soils. ORYZA-An International Journal on Rice, 26 (3). pp. 273-276. ISSN 0474-7615
Sahrawat, K L and Pardhasaradhi, G and Murthy, K V S (1989) Evaluation of distilling the entire digest or an aliquot for total nitrogen determination in soil digests. Fertilizer Research, 19 (1). pp. 39-43. ISSN 0167-1731
Sahrawat, K L and Warren, G P (1989) Sorption of labelled phosphate by a vertisol and an alfisol of the semi-arid zone of India. Fertilizer Research, 20 (1). pp. 17-25. ISSN 0167-1731
Shailaja, S (1989) Phosphate adsorption-desorption in selected vertisols. Masters thesis, Andhra Pradesh Agricultural University.
Srivastava, K L and Smith, G D and Jangawad, L S (1989) Compaction and shading effects on surface cracking in a vertisol. Soil & Tillage Research, 13 (2). pp. 151-161. ISSN 0167-1987
Virmani, S M and Rao, M R and Srivastava, K L (1989) Approaches to the Management of Vertisols in the Semi-Arid Tropics: The ICRISAT Experience. In: IBSRAM Inaugural Workshop: Management of Vertisols for Improved Agricultural Production, 18-22 Feb 1985, Patancheru, Andhra Prdesh India.