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Williams, J H and Kumar, J (1979) Workshop on concepts and philosophy of international testing 14-18 August, 1979, El Batan, Mexico. Monograph. ICRISAT, Patancheru, Andhra Pradesh, India.
Williams, J H (1982) Genetic manipulation for improving crop production in stress environments: A physiologists view point. Monograph. ICRISAT, Hyderabad.
Williams, J H and Nageswara Rao, R C (1983) Crop Physiological Factors Influencing Groundnut Productivity. Crop Physiology, 1. pp. 1-35.
Rao, R C N and Williams, J H (1983) Drought screening of early punch genotypes 1982-83. Monograph. ICRISAT, Hyderabad.
Rajendrudu, G and Singh, M and Williams, J H (1983) Hydraulic Press Measurements of Leaf Water Potential in Groundnuts. Experimental Agriculture, 19. pp. 287-291. ISSN 0014-4797
Subrahmanyam, P and Williams, J H and McDonald, D and Gibbons, R W (1984) The influence of foliar diseases and their control by selective fungicides on a range of groundnut (Arachis hypogaea L.) genotypes. Annals of Applied Biology, 104 (3). pp. 467-476. ISSN 1744-7348
Williams, J H and Rao, R C N and Rao, M H V (1985) Breeding For Drought Tolerance On Groundnut (Arachis Hypogaea L.). In: Proceedings of the Workshop on Varietal Improvement for Rice-based Farming Systems, 11-15 Mar 1985, Phitsanulok, Thailand.
Rao, R C N and Singh, Sardar and Sivakumar, M V K and Srivastava, K L and Williams, J H (1985) Effect of water deficit at different growth phases of peanut. I. Yield responses. Agronomy Journal , 77 (5). pp. 782-786. ISSN 0002-1962
Williams, J H (1985) Some Physiological Reasons For Genotype X Drought Interactions In Groundnuts. In: CIRAD CLIF, 1985.
Reddy, L J and Rao, R C N and Williams, J H and Gibbons, R W (1985) Some aspects of drought with special reference to Groundnut drought research at ICRISAT. In: The Regional Groundnut Breeder's Meet, Feb 25 to March 2, 1985, Southern Africa.
Witzenberger, A and Williams, J H and Lenz, F (1985) Yield, components of yield and quality responses of groundnut cultivars (Arachis hypogaea L.) as influenced by photoperiod and a growth regulator. Field Crops Research, 12. pp. 347-361. ISSN 0378-4290
Mehan, V K and McDonald, D and Ramakrishna, N and Williams, J H (1986) Effects of Genotype and Date of Harvest on Infection of Peanut Seed by Aspergillus flavus and Subsequent Contamination with Aflatoxin. Peanut Science, 13 (2). pp. 46-50.
Williams, J H and Rao, R C N and Matthews, R and Harris, D (1986) Responses of Groundnut Genotypes to Drought. In: International Symposium: Agrometeorology of Groundnut, 21-26 Aug 1985, Niamey, Niger.
Sivakumar, M V K and Singh, P and Williams, J H (1987) Agroclimatic aspects in planning for improved productivity of Alfisols. In: Consultants' Workshop on the State of the Art and Management Alternatives for Optimizing the Productivity of SAT Alfisols and Related Soils, 1-3 Dec 1983, Patancheru, A.P. (India).
Rajendrudu, G and Williams, J H (1987) Effect of Gypsum and Drought on Pod Initiation and Crop Yield in Early Maturing Groundnut (Arachis hypogaea) Genotypes. Experimental Agriculture, 23. pp. 259-271.
Lawn, R J and Williams, J H (1987) Limits Imposed by Climatological Factors. In: Proceedings of an international Workshop on Food Legume Improvement for Asian Farming Systems, 1-5 Septcmher 1986, Khon Knen, Thailand.
Williams, J H and Ramraj, V M and Pal, M (1987) Physiological Studies on Foliar Diseases: Varietal Differences in Response to Use of Fungicides. In: Groundnut rust disease. Proceedings of a Discussion Group Meeting, 24-28 Sept 1984 , ICRISAT Patancheru, Andhra Padesh, India.
Krishna, K R and Williams, J H (1987) Vesicular arbuscular mycorrhiza and genotype effect on peanut symbiosis and growth. In: North American Conference On Mycorrhizae, May 3-8,1987, Gainesville, Florida.
Wadia, K D R and Nageswara Rao, R C and Williams, J H (1987) An improved method for identification of dormant sequentially branched progenies from populations derived from crosses between non dormant (subspecies fastigiata) and dormant (subspecies hypogaea) groundnuts (Arachis hypogaea L.). Oleagineux (Paris) , 42 (2). pp. 75-82. ISSN 0030-2082
Rattunde, H F and Ramraj, V M and Williams, J H and Gibbons, R W (1988) Cultivar mixtures: a means of exploiting morpho-developmental differences among cultivated groundnuts. Field Crops Research, 19 (3). pp. 201-210. ISSN 0378-4290
Rao, R C N and Williams, J H and Sivakumar, M V K and Wadia, K D R (1988) Effect of water deficit at different growth phases of peanut. II. Response to drought during preflowering phase. Agronomy Journal , 80 (3). pp. 431-438. ISSN 0002-1962
Witzenberger , A and Williams, J H and Lenz, F (1988) Influence of daylength on yield-determining processes in six groundnut cultivars (Arachis hypogaea). Field Crops Research, 18 (2-3). pp. 89-100. ISSN 0378-4290
Mehan, V K and Rao, R C N and McDonald, D and Williams, J H (1988) Management of Drought Stress to Improve Field Screening of Peanuts for Resistance to Aspergillus flavus. Phytopathology , 78. pp. 659-663. ISSN 0031-949X
Dutta, M and Rao, B S and Nambiar, P T C and Williams, J H and Dart, P J (1988) Ontogenic variation in nitrogen assimilation, nodulation and nitrogen fixation in groundnut (Arachis hypogaea) genotypes. Annals of Applied Biology, 112 (3). pp. 537-545.
Matthews, R B and Harris, D and Rao, R C N and Williams, J H and Wadia, K D R (1988) The Physiological Basis for Yield Differences between Four Genotypes of Groundnut (Arachis Hypogaea) in Response to Drought. I. Dry Matter Production and Water Use. Experimental Agriculture, 24. pp. 191-202.
Harris, D and Matthews, R B and Rao, R C N and Williams, J H (1988) The Physiological Basis for Yield Differences between Four Genotypes of Groundnut (Arachis Hypogaea) in Response to Drought. III. Developmental Processes. Experimental Agriculture, 24 (2). pp. 215-226.
Matthews, R B and Harris, D and Williams, J H and Rao, R C N (1988) The Physiological Basis for Yield Differences between Four Genotypes of Groundnut (Arachis hypogaea) in Response to Drought. II. Solar Radiation Interception and Leaf Movement. Experimental Agriculture, 24 (2). pp. 203-213. ISSN 0014-4797
Nageswara Rao, R C and Williams, J H and Singh, Murari (1989) Genotypic sensitivity to drought and yield potential of peanut. Agronomy Journal , 81 (6). pp. 887-893. ISSN 0002-1962
Rao, R C N and Simmonds, L P and Azam-Ali, S N and Williams, J H (1989) Population, Growth and Water Use of Groundnut Maintained on Stored Water. I. Root and Shoot Growth. Experimental Agriculture, 25. pp. 51-61.
Azam-Ali, S N and Simmonds, L P and Rao, R C N and Williams, J H (1989) Population, Growth and Water Use of Groundnut Maintained on Stored Water. III. Dry Matter, Water Use and Light Interception. Experimental Agriculture, 25. pp. 77-86.
Rao, R C N and Williams, J H (1989) Screening of groundnut genotypes for drought tolerance post-rainy season - 1987-88. Monograph. ICRISAT, Patancheru, Andhra Pradesh.
Wheatley, A R D and Wightman, J A and Williams, J H and Wheatley, S J (1989) The influence of drought stress on the distribution of insects on four groundnut genotypes grown near Hyderabad, India. Bulletin of Entomological Research, 79 (4). pp. 567-577. ISSN 0007-4853
Greenberg, D C and Williams, J H and Waliyar, F and Ndunguru, B J (1990) Drought Effects on Growth and Aspergillus Infestation of Groundnut Cultivars in West Africa. In: Pmeedings of the Fourth Regional Groundnut Workshop for Southern Africa, 19-23 March, 1990, Arusha, Tanzania.
Flohr, M and Williams, J H and Lenz, F (1990) The Effect of Photoperiod on the Reproductive Development of a Photoperiod Sensitive Groundnut (Arachis hypogaea L.) Cv. NC Ac 17090. Experimental Agriculture, 26 (4). pp. 397-406. ISSN 1469-4441
Rao, R C N and Wadia, K D R and Williams, J H (1990) Intercropping Short and Long Duration Groundnut (Arachis Hypogaea) Genotypes to Increase Productivity in Environments Prone to End-of-season Droughts. Experimental Agriculture, 26 (1). pp. 63-72. ISSN 0014-4797
Azam-Ali, S N and Matthews, R B and Williams, J H and Peacock, J M (1990) Light Use, Water Uptake and Performance of Individual Components of a Sorghum/Groundnut Intercrop. Experimental Agriculture, 26 (4). pp. 413-427. ISSN 1469-4441
Williams, J H and Dutta, M and Nambiar, P T C (1990) Light interception as a source of variation for nitrogen fixation in groundnut genotypes. Plant and Soil, 121 (1). pp. 83-88. ISSN 0032-079X
Yoneyama, T and Nambiar, P T C and Lee, K K and Srinivasa Rao, B and Williams, J H (1990) Nitrogen accumulation in three legumes and two cereals with emphasis on estimation of N2 fixation in the legumes by the natural15 N-abundance technique. Biology and Fertility of Soils, 9 (1). pp. 25-30. ISSN 0178-2762
Nigam, S N and McDonald, D and Waliyar, F and Reddy, D V R and Wightman, J A and Moss, J P and Williams, J H (1990) An Update on Groundnut Improvement at ICRISAT Centre. In: Summary proceedings of the first ICRISAT Regional Groundnut Meeting for West Africa, 13-16 Sep 1988, Niamey, Niger.
Stirling, C M and Williams, J H and Black, C R and Ong, C K (1990) The effect of timing of shade on development, dry matter production and light-use efficiency in groundnut (Arachis hypogaea L.) under field conditions. Australian Journal of Agricultural Research, 41 (4). pp. 633-644. ISSN 0004-9409
Yoneyama, T and Nambiar, P T C and Lee, K K and Srinivasa Rao, B and Williams, J H (1990) Nitrogen accumulation in three legumes and two cereals with emphasis on estimation of N2 fixation in the legumes by the natural 15N-abundance technique. Biology and Fertility of Soils, 09 (01). pp. 25-30. ISSN 0178-2762
Matthews, R B and Azam-Ali, S N and Saffell, R A and Peacock, J M and Williams, J H (1991) Plant growth and development in relation to the microclimate of a sorghum/groundnut intercrop. Agricultural and Forest Meteorology, 53 (4). pp. 285-301. ISSN 0168-1923
Campbell, G S and Calissendorff , C and Williams, J H (1991) Probe for Measuring Soil Specific Heat Using A Heat-Pulse Method. Soil Science Society of America Journal, 55 (1). pp. 291-293. ISSN 0361-5995
Singh, M and Rao, R C N and Williams, J H (1991) A statistical assessment of genotypic sensitivity of groundnut (Arachis hypogae L.) to drought in line source sprinkler experiments. Euphytica, 57 (1). pp. 19-25. ISSN 1573-5060
Williams, J H and Saxena, N P (1991) The use of non-destructive measurement and physiological models of yield determination to investigate factors determining differences in seed yield between genotypes of “desi” chickpeas (Cicer arietum). Annals of Applied Biology, 119 (1). pp. 105-112. ISSN 1744-7348
Williams, J H (1992) Concepts for the application of crop physiological models to crop breeding. In: Groundnut- A global Perspective: Proceeding of an International Workshop., 25-29 Nov 1991, ICRISAT Asia Centre, Patancheru, Andhra Pradesh.
Greenberg, D C and Williams, J H and Ndunguru, B J (1992) Differences in yield determining processes of groundnut (Arachis hypogaea L.) genotypes in varied drought environments. Annals of Applied Biology, 120 (3). pp. 557-566. ISSN 1744-7348
Ntare, B R and Williams, J H (1992) Response of Cowpea Cultivars to Planting Pattern and Date of Sowing in Intercrops with Pearl Millet in Niger. Experimental Agriculture, 28 (1). pp. 41-48. ISSN 0014-4797
Vandenbeldt, R J and Williams, J H (1992) The effect of soil surface temperature on the growth of millet in relation to the effect of Faidherbia albida trees. Agricultural and Forest Meteorology, 60 (1-2). pp. 93-100. ISSN 0168-1923
Nageswara Rao, R C and Williams, J H and Rao, V M and Wadia, K D R (1992) A hand-held red-infrared radiometer for measuring radiation interception by crop canopies. Field Crops Research, 29 (4). pp. 353-360. ISSN 0378-4290
Nageswara Rao, R C and Williams, J H and Wadia, K D R and Hubick, K T and Farquhar, G D (1993) Crop growth, water-use efficiency and carbon isotope discrimination in groundnut (Arachis hypogaea L.) genotypes under end-of season drought conditions. Annals of Applied Biology, 122 (2). pp. 357-367. ISSN 1744-7348
Ndunguru, B J and Williams, J H (1993) The Impact of Varying Levels of Competition from Pearl Millet on the Yields of Groundnut Cultivars. Experimental Agriculture, 29 (1). pp. 29-37.
Ntare, B R and Williams, J H and Bationo, A (1993) Physiological determinants of cowpea seed yield as affected by phosphorus fertilizer and sowing dates in intercrop with millet. Field Crops Research, 35 (3). pp. 151-158. ISSN 0378-4290
Ntare, B R and Williams, J H (1993) Selection of cowpea cultivars for cool-season production in the Sahel. Field Crops Research, 32 (1-2). pp. 27-39. ISSN 0378-4290
Waliyar, F and Ntare, B R and Williams, J H (1993) Summary Proceedings of the Third ICRISAT Regional Groundnut Meeting for West Africa 14-17 Sep 1992. Other. International Crops Research Institute for the Semi-Arid Tropics.
Nigam, S N and Nageswara Rao, R C and Wynne, J C and Williams, J H and Fitzner, M and Nagabhushanam, G V S (1994) Effect and interaction of temperature and photoperiod on growth and partitioning in three groundnut (Arachis hypogaea L.) genotypes. Annals of Applied Biology, 125. pp. 541-552. ISSN 0003-4746
Hartmond, U and Williams, J H and Lenz, F (1994) The influence of plant growth habit on calcium nutrition of groundnut (Arachis hypogaea L.) pods. Plant and Soil, 160 (1). pp. 113-118. ISSN 0032-079X
Ndunguru, B J and Ntare, B R and Williams, J H and Greenberg, D C (1995) Assessment of groundnut cultivars for end-of-season drought tolerance in a Sahelian environment. Journal of Agricultural Science, 125 (1). pp. 79-85. ISSN 1469-5146
Buerkert, A and Lawrence, P R and Williams, J H and Marschner, H (1995) Non-destructive measurements of biomass in millet, cowpea, groundnut, weeds and grass swards using reflectance, and their application for growth analysis. Experimental Agriculture, 31 (1). pp. 1-11. ISSN 0014-4797
Williams, J H and Rao, R C N and Fatondji, D and Talwar, H S (1996) Radiation interception and modelling as an alternative to destructive samples in crop growth measurements. Annals of Applied Biology, 129 (1). pp. 151-160. ISSN 1744-7348
Hartmond , U and Williams, J H and Lenz, F (1996) Sources of Variation in Shelling Percentage in Peanut Germplasm and Crop Improvement for Calcium Deficiency-Prone Soils. Peanut Science, 23 (2). pp. 76-81. ISSN 0095-3679
Ntare, B R and Williams, J H and Ndunguru, B J (1998) Effects of seasonal variation in temperature and cultivar on yield and yield determination of irrigated groundnut (Arachis hypogaea) during the dry season in the Sahel of West Africa. The Journal of Agricultural Science, 131 (4). pp. 439-448.
Ntare, B R and Williams, J H (1998) Heritability of components of a simple physiological model for yield in groundnut under semiarid rainfed conditions. Field Crops Research, 58 (1). pp. 25-33. ISSN 0378-4290
Ntare, B R and Williams, J H and Fatondji, D (2001) Evaluation of groundnut genotypes for heat tolerance under field conditions in a Sahelian environment using a simple physiological model for yield. Journal of Agricultural Science, 136 (1). pp. 81-88. ISSN 0021-8596