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Nambiar, P T C and Rao, M R and Reddy, M S and Floyd, C and Dart, P J and Willey, R W (1982) Nitrogen Fixation By Groundnut (Arachis Hypogaea) In Intercropped And Rotational Systems. In: Biological Nitrogen Fixation Technology for Tropical Agriculture, 9-13 March 1981, Cali, Colombia.
Willey, R W and Natarajan, M and Reddy, M S and Rao, M R and Nambiar, P T C and Kannaiyan, J and Bhatnagar, V S (1983) Intercropping studies with annual crops. In: Better Crops for Food, Ciba Foundation Symposium 97, 14-16 Sept 1982, Pitman, London,Uk.
Willey, R W (1985) Evaluation and Presentation of Intercropping Advantages. Experimental Agriculture, 21 (2). pp. 119-133. ISSN 0014-4797
Nambiar, P T C and Rao, M R and Reddy, M S and Floyd, C N and Dart, P J (1983) Effect of intercropping on nodulation and N2-fixation by groundnut. Experimental Agriculture, 19 (1). pp. 79-86. ISSN 0014-4797
Rao, M R and Willey, R W (1983) Effects of Genotype in Cereal/Pigeonpea Intercropping on the Alfisols of the Semi-Arid Tropics of India. Experimental Agriculture, 19 (1). pp. 67-78. ISSN 0014-4797
Willey, R W and Rao, M R (1980) A Competitive ratio for quantifying competition between intercrops. Experimental Agriculture, 16 (2). pp. 117-125. ISSN 0014-4797
Rao, M R and Willey, R W (1980) Evaluation of yield stability in intercropping: Studies on sorghum/pigeonpea. Experimental Agriculture, 16 (2). pp. 105-116. ISSN 0014-4797
Rao, M R and Willey, R W (1980) Preliminary studies of intercropping combinations based on pigeonpea or sorghum. Experimental Agriculture, 16 (1). pp. 29-39. ISSN 0014-4797
Mead, R and Willey, R W (1980) The concept of a 'land equivalent ratio' and advantages in yields from intercropping. Experimental Agriculture, 16 (3). pp. 217-228. ISSN 0014-4797
Harris, D and Natarajan, M and Willey, R W (1987) Physiological basis for yield advantage in a sorghum/ groundnut intercrop exposed to drought. 1. Dry-matter production, yield, and light interception. Field Crops Research, 17 (3-4). pp. 259-272. ISSN 0378-4290
Natarajan, M and Willey, R W (1986) The effects of water stress on yield advantages of intercropping systems. Field Crops Research, 13. pp. 117-131.
Natarajan, M and Kannaiyan, J and Willey, R W and Nene, Y L (1985) Studies on the effects of cropping system on fusarium wilt of pigeonpea. Field Crops Research, 10. pp. 333-346. ISSN 0378-4290
Rao, M R and Willey, R W (1983) Effects of pigeonpea plant population and row arrangement in sorghum/pigeonpea intercropping. Field Crops Research, 7. pp. 203-212. ISSN 0378-4290
Marshall , B and Willey, R W (1983) Radiation interception and growth in an intercrop of pearl millet/groundnut. Field Crops Research, 7 (2). pp. 141-160. ISSN 0378-4290
Reddy, M S and Willey, R W (1981) Growth and resource use studies in an intercrop of pearl millet/groundnut. Field Crops Research, 4. pp. 13-24. ISSN 0378-4290
Natarajan, M and Willey, R W (1985) Effect of row arrangement on light interception and yield in sorghum-pigeonpea intercropping. Journal of Agricultural Science, 104 (2). pp. 263-270. ISSN 1469-5146
Rao, M R and Rego, T J and Willey, R W (1986) Response of cereals to nitrogen in sole cropping and intercropping with different legumes. Plant and Soil, 101 (2). pp. 167-177.
Natarajan, M and Willey, R W (1980) Sorghum-pigeonpea intercropping and the effects of plant population density. 2. Resource use. The Journal of Agricultural Science, 95 (1). pp. 59-65. ISSN 1916-9752