Items where Author is "Sivakumar, M V K"

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Number of items: 81.

Article

Sarma , P S and Sivakumar, M V K (2012) Penetrometer soil resistance, pod number and yield of peanuts as influenced by drought stress. Indian Journal of Plant Physiology, 34 (2). pp. 147-152. ISSN 0974-0252

Aggarwal, P K and Baethegan, W E and Cooper, P and Gommes, R and Lee, B and Meinke, H and Rathore, L S and Sivakumar, M V K (2010) Managing climatic risks to combat land degradation and enhance food security: Key information needs. Procedia Environmental Sciences, 1. pp. 305-312. ISSN 1878-0296

Sivakumar, M V K and Salaam, S A (1999) Effect of year and fertilizer on water-use efficiency of pearl millet (Pennisetum glaucum) in Niger. Journal of Agricultural Science, 132 (2). pp. 139-148. ISSN 0021-8596

Michels, K and Allison, B E and Armbrust, D V and Sivakumar, M V K (1995) Wind and Windblown Sand Damage to Pearl Millet. Agronomy Journal, 87 (4). pp. 620-626. ISSN 0002-1962

Michels, K and Sivakumar, M V K and Allison, B E (1995) Wind erosion control using crop residue I. Effects on soil flux and soil properties. Field Crops Research, 40 (2). pp. 101-110. ISSN 0378-4290

Michels, K and Sivakumar, M V K and Allison, B E (1995) Wind erosion control using crop residue II. Effects on millet establishment and yields. Field Crops Research, 42 (2). pp. 111-118. ISSN 0378-4290

Daamen, C C and Simmonds, L P and Sivakumar, M V K (1995) The impact of sparse millet crops on evaporation from soil in semi-arid Niger. Agricultural Water Management, 27 (3-4). pp. 225-242. ISSN 0378-3774

Allen, S J and Wallace, J S and Gash, J H C and Sivakumar, M V K (1994) Measurements of albedo variation over natural vegetation in the sahel. International Journal of Climatology, 14 (6). pp. 625-636. ISSN 1097-0088

Sivakumar, M V K and Salaam, S A (1994) A Wet Excavation Method for Root/Shoot Studies of Pearl Millet on the Sandy Soils of the Sahel. Experimental Agriculture, 30 (3). pp. 329-336. ISSN 0014-4797

Sivakumar, M V K (1993) Growth and Yield of Millet and Cowpea in Relay and Intercrop Systems in the Sahelian Zone in Years when the Onset of the Rainy Season is Early. Experimental Agriculture, 29. pp. 417-427. ISSN 1469-4441

Wallace, J S and Lloyd, C R and Sivakumar, M V K (1993) Measurements of soil, plant and total evaporation from millet in Niger. Agricultural and Forest Meteorology, 63 (3-4). pp. 149-169. ISSN 0168-1923

Daamen, C C and Simmonds, L P and Wallace, J S and Laryea, K B and Sivakumar, M V K (1993) Use of microlysimeters to measure evaporation from sandy soils. Agricultural and Forest Meteorology, 65 (3-4). pp. 159-173. ISSN 0168-1923

Michels, K and Sivakumar, M V K and Allison, B E (1993) Wind erosion in the Southern Sahelian Zone and induced constraints to pearl millet production. Agricultural and Forest Meteorology, 67 (1-2). pp. 65-77. ISSN 0168-1923

Sivakumar, M V K (1992) Climate change and implications for agriculture in niger. Climate Change, 20 (4). pp. 297-312. ISSN 1573-1480

Lloyd, C R and Gash, J H C and Sivakumar, M V K (1992) Derivation of the aerodynamic roughness parameters for a Sahelian savannah site using the eddy correlation technique. Boundary-Layer Meteorology, 58 (3). pp. 261-271. ISSN 1573-1472

Sivakumar, M V K (1992) Empirical Analysis of Dry Spells for Agricultural Applications in West Africa. Journal of Climate, 5 (5). pp. 532-539. ISSN 0894-8755

Lawson, T L and Sivakumar, M V K (1991) Climatic constraints to crop production and fertilizer use. Fertilizer Research, 29. 09-20.

Gash, J H C and Wallace, J S and Lloyd, C R and Dolman, A J and Sivakumar, M V K and Renard, C (1991) Measurements of evaporation from fallow Sahelian savannah at the start of the dry season. Quarterly Journal of the Royal Meteorological Society, 117 (500). pp. 749-760. ISSN 1477-870x

Sarma, P S and Sivakumar, M V K (1990) Evaluation of groundnut response to early moisture stress during the rainy and the post-rainy seasons. Agricultural and Forest Meteorology, 49 (2). pp. 123-133. ISSN 0168-1923

Sivakumar, M V K (1990) Exploiting rainy season potential from the onset of rains in the Sahelian zone of West Africa. Agricultural and Forest Meteorology, 51 (3-4). pp. 321-332. ISSN 0168-1923

Nwanze, K F and Sivakumar, M V K (1990) Insect pests of pearl millet in Sahelian West Africa—II. Raghuva albipunctella De Joannis (Noctuidae, Lepidoptera): Distribution, population dynamics and assessment of crop damage. International Journal of Pest Management, 36 (1). pp. 59-65. ISSN 0967-0874

Wallace, J S and Gash, J H C and Sivakumar, M V K (1990) Preliminary measurements of net radiation and evaporation over bare soil and fallow bushland in the Sahel. International Journal of Climatology, 10 (2). pp. 203-210. ISSN 1097-0088

Sivakumar, M V K and Hameld, J L (1990) Spatial Variability of Rainfall at an Experimental Station in Niger, West Africa. Theoretical and Applied Climatology, 42 (1). pp. 33-39. ISSN 77-798X

Wallace, S and Robertson, J M and Sivakumar, M V K (1990) The estimation of transpiration from sparse dryland millet using stomatal conductance and vegetation area indices. Agricultural and Forest Meteorology, 51 (1). pp. 35-49. ISSN 0168-1923

Sarma, P S and Sivakumar, M V K (1989) Response of groundnut to drought stress in different growth phases. Agricultural Water Management, 15 (3). pp. 301-310. ISSN 0378-3774

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

Sivakumar, M V K (1988) Predicting rainy season potential from the onset of rains in southern Sahelian and Sudanian climatic zones of West Africa. Agricultural and Forest Meteorology, 42 (4). pp. 295-305.

Huda, A K S and Sivakumar, M V K and Rama, Y V S and Sekaran, J G and Virmani, S M (1987) Observed and simulated responses of two sorghum cultivars to different water regimes. Field Crops Research, 16 (4). pp. 323-335. ISSN 0378-4290

Sarma, P S and Sivakumar, M V K (1987) Productivity of groundnut as influenced by use of seed from a crop with moisture stress history. Field Crops Research, 15 (3-4). pp. 207-213. ISSN 0378-4290

Sivakumar, M V K (1986) Canopy-air temperature differentials, water use and yield of chickpea in a semi-arid environment. Irrigation Science, 7 (3). pp. 149-158.

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

Sivakumar, M V K and Huda, A K S (1985) Solar energy utilization by tropical sorghums. Part I. Seasonal patterns and productivity. Agricultural and Forest Meteorology, 35 (1-4). pp. 47-57. ISSN 0168-1923

Sivakumar, M V K and Virmani, S M (1984) Crop productivity in relation to interception of photosynthetically active radiation. Agricultural and Forest Meteorology, 31 (2). pp. 131-141. ISSN 0168-1923

Seetharama, N and Sivakumar, M V K and Bidinger, F R and Singh, Sardar and Maiti, R K and Reddy, B V S and Peacock, J M and Reddy, S J and Mahalakshmi, V and Sachan, R C and Raj, A S and Murthy, S R K and Narayanan, A and Kannangara, T and Durley, R C and Simpson, G M (1983) Physiological basis for increasing and stablising yield under drought in sorghum. Proceedings of the Indian National Science Academy, B., 49 (5). pp. 498-523.

Shetty, S V R and Sivakumar, M V K and Ram, S A (1982) Effect of shading on the growth of some common weeds of the semi-arid tropics. Agronomy Journal , 74 (6). pp. 1023-1029. ISSN 0002-1962

Sivakumar, M V K and Seetharama, N and Gill, K S and Sachan, R C (1981) Response of sorghum to moisture stress using line source sprinkler irrigation I. Plant-water relations. Agricultural Water Management, 3 (4). pp. 279-289. ISSN 0378-3774

Sivakumar, M V K and Virmani, S M (1980) Growth and Resource Use of Maize, Pigeonpea and Maize/Pigeonpea Intercrop in an Operational Research Watershed. Experimental Agriculture, 16 (4). pp. 377-386. ISSN 0014-4797

Sivakumar, M V K and Virmani, S M (1979) Measuring leaf-water potential in chickpea with a pressure chamber. Experimental Agriculture, 15 (4). pp. 377-383. ISSN 0014-4797

Sivakumar, M V K and Seetharama, N and Singh, Sardar and Bidinger, F R (1979) Water relations, growth, and dry matter accumulation of sorghum under post-rainy season conditions. Agronomy Journal , 71 (5). pp. 843-847. ISSN 0002-1962

Sivakumar, M V K and Shaw, R H (1978) Leaf response to water deficits in soybeans. Physiologia Plantarum, 42 (1). pp. 134-138.

Sivakumar, M V K and Shaw, R H (1978) Methods of Growth Analysis in Field-Grown Soya Beans (Glycine max (L.) Merril). Annals of Botany, 42 (1). pp. 213-222. ISSN 0305-7364

Sivakumar, M V K (1978) Prediction of leaf area index in soya bean (Glycine max. (L.) Merrill). Annals of Botany, 42 (1). pp. 251-253. ISSN 0305-7364

Sivakumar, M V K and Shaw, R H (1978) Relative evaluation of water stress indicators for soybeans. Agronomy Journal, 70 (4). pp. 619-623. ISSN 0002-1962

Monograph

Sivakumar, M V K and Wills, J B (1995) Combating Land Degradation in Sub-Saharan Africa Summary Proceedings of the International Planning Workshop for a Desert Margins Initiative 23 - 26 Jan 1995, Nairobi, Kenya. Other. International Crops Research Institute for the Semi-Arid Tropics, ICRISAT.

Sivakumar, M V K and Renard, C and Bationo, A and Powell, J M and Weber, J and Goli, A E (1994) Inter-Center Collaboration at the ICRISAT Sahelian Center. Documentation. International Crops Research Institute for the Semi-Arid Tropics.

Sivakumar, M V K and Wallace, J S and Renard, C (1992) Soil Water Balance in the Sudano-Sahelian Zone Summary Proceedings of an International Workshop on Soil Water Balance in the Sudano-Sahelian Zone. Other. International Crops Research Institute for the Semi-Arid Tropics.

Sivakumar, M V K and Gnoumou, F (1987) Agroclimatology of West Africa: Burkina Faso. Monograph. International Crops Research Institute for the Semi-Arid Tropics.

Sivakumar, M V K and Virmani, S M and Beckerman, S R (1986) Agrometeorology of Groundnut Proceedings of an International Symposium ICRISAT Sahelian Center Niamey, Niger 21-26 August 1985. Other. International Crops Research Institute for the Semi-Arid Tropics.

Virmani, S M and Sivakumar, M V K (1984) Agrometeorology of Sorghum and Millet in the Semi-Arid Tropics. Technical Report. International Crops Research Institute for the Semi-Arid Tropics.

Virmani, S M and Sivakumar, M V K and Reddy, S J (1982) Rainfall probability estimates for selected locations of semi-arid India. Research Bulletin No. 1. Monograph. International Crops Research Institute for the Semi-Arid Tropics , Patancheru, Andhra Pradesh, India .

Conference or Workshop Item

Sivakumar, M V K (1993) Global Climate Change and Crop Production in the Sudano-Sahelian Zone of West Africa. In: International crop science 1. International Crop Science Congress, 14-22 July 1992., Ames, Iowa.

Sivakumar, M V K and Manu, A and Virmani, S M and Kanemasu, E T (1992) Relation between climate and soil productivity in the tropics. In: Myths and science of soils of the tropics: proceedings SSSA, 17 October 1989, Las Vegas, Nevada .

Sivakumar, M V K (1991) Agroclimatology Research at the ICRISAT Sahelian Center. In: Proceedings of the Regional Seminar organized by the International Foundation for Science (IFS) and Centre Technique de Cooperation Agricole Rurale (CTA), 23-25 Sep 1991, Ouagadougou, Burkina Faso.

Sivakumar, M V K and Wallace, J S (1991) Soil water balance in the Sudano-Sahelian zone: need, relevance and objectives of the workshop. In: Priceedings of teh Niamey Workshop, February 1991, Niamey (Niger).

Fechter, J and Allison, B E and Sivakumar, M V K and Ploeg, R R V D and Bley, J (1991) An evaluation of the SWATRER and, CERES-Millet models for southwest Niger. In: Sail Water Balance in the Sudano-Sahelian Zone: Proceedings of the Niamey Workshop, February 1991, Niamey (Niger).

Bley, J and Ploeg, R R V D and Sivakumar, M V K and Allison, B E (1991) A risk-probability map for millet production in southwest Niger. In: Sail Water Balance in the Sudano-Sahelian Zone: Proceedings of the Niamey Workshop, February 1991, Niamey (Niger).

Sivakumar, M V K and Renard, C and Klaij, M C and Ntare, B R and Fussel, L K and Bationo, A (1990) Natural Resources Management For Sustainable Agriculture In The Sudano-Sahelian Zone. In: Sustainable agriculture : issues, perspectives and prospects in semi arid tropics : proceedings of the international symposium on natural resources management for a sustainable agriculture, February 6-10, 1990, New Delhi, India.

Sivakumar, M V K (1989) Agroclimatic Aspects of Rainfed Agriculture in the Sudano-Sahelian Zone. In: International Workshop on Soil, Crop, and Water Management Systems for Rainfed Agriculture in the Sudano-Sahelian Zone, 11-16 Jan 1987, Niamey, Niger.

Sivakumar, M V K (1989) Climate vulnerability of sorghum and millet. In: Climate and food security: papers persented at the International Symposium on Climate Variability and Food Security in Developing Countries, 5-9 February 1987 , New Delhi, India.

Sivakumar, M V K (1989) Some strategies to cope with-drought in the Sahelian zone. In: Climate and food security: papers persented at the International Symposium on Climate Variability and Food Security in Developing Countries, 5-9 February 1987 , New Delhi, India.

Sivakumar, M V K (1988) Integrating Soil and Crop Models for Agroclimatological Analysis. In: Challenges in dryland agriculture: a global perspective: proceedings of the International Conference on Dryland Farming, 15-19 Aug 1988, Amarillo/Bushland, Texas, USA.

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).

Nwanze, K F and Sivakumar, M V K (1987) Effets des facteurs physiques du sol et climatiques sur la diapause et le cycle saisonnier de la chenille de l'epi du mil (raghuva albipunchella). In: Compte rendu du cycle d'etudes sur l'agrometeorologie et la protection des cultures dans les zones semi-arides, 8-12 December, 1986, Niamey (Niger).

Spencer, D S C and Sivakumar, M V K (1987) Pearl Millet in African Agriculture. In: International Pearl Millet Workshop, 7-11 April 1986, Patancheru.

Peacock, J M and Sivakumar, M V K (1986) An environmental physiologists approach to screening for drought resistance in sorghum with particular reference to sub-saharan Africa. In: Proceedings of an International Drought Symposium, 19th-23rd May 1986, Kenvatta Conference Centre, Nairobi, Kenya.

Sivakumar, M V K and Sarma, P S (1985) Studies on Water Relations of Groundnut. In: International Symposium: Agrometeorology of Groundnut, 21-26 Aug 1985, Niamey, Niger.

Huda, A K S and Sivakumar, M V K and Virmani, S M and Seetharama, N and Singh, S and Sekaran, J G (1984) Modeling the Effect of Environmental Factors on sorghum Growth and Development. In: Agrometeorology of SOrghum and Millet in the Semi-Arid Tropics: Proceedings of the International Sysmposium, 15-20 Nov. 1982, ICRISAT Patancheru, India.

Sivakumar, M V K and Huda, A K S and Virmani, S M (1984) Physical Environment of Sorghum- and Millet-growing Areas in South Asia. In: Agrometeorology of Sorghum and Millet in the Semi-Arid Tropics: Proceedings of the International Symposium, 15-20 November, 1982, Patancheru. A P lndla.

Sivakumar, M V K and Huda, A K S (1983) Potential Agricultural Productivity in Summer and Winter Rainfall Areas. In: Nutrient balances and the need for fertilizers in semi-arid and arid regions : proceedings of the 17th Colloquium of the International Potash Institute, May,, 1983, Rabat and Marrakech, Morroco.

Sivakumar, M V K and Virmani, S M (1982) The Physical Environment. In: Sorghum in the Eighties: Proceedings of Symposium on Sorghum, 2-7 November 1981, ICRISAT Patancheru, Andhra Padesh, India.

Huda, A K S and Sivakumar, M V K and Alagarswamy, G and Virmani, S M and Vanderlip, R L (1982) Problems and Prospects in Modeling Pearl Millet Growth and Development: A Suggested Framework for a Millet Model. In: Agrometeorology of Sorghum and Millet in the Semi-Arid Tropics: Proceedings of the International Symposium, 15-20 November, 1982, Patancheru. A P lndla.

Huda, A K S and Sivakumar, M V K and Virmani, S M and Sekaran, J G (1982) Report of collaborative multilocation sorghum modeling experiment (1980-1981). In: Collaborative Multilocation Sorghum Modeling Experiment (Cooperators' Meeting), 1982, Patancheru, Andhra Pradesh, India.

Huda, A K S and Sivakumar, M V K and Virmani, S M and Sekaran, J G (1982) Report of the collaborative multilocation sorghum modeling experiment (1978-1982). In: Collaborative Multilocation Sorghum Modeling Experiment (Cooperators' Meeting), 1982, Patancheru, Andhra Pradesh, India.

Swindale, L D and Virmani, S M and Sivakumar, M V K (1981) Climatic Variability And Crop Yields In The Semi-Arid Tropics. In: Proceedings of the international workshop on energy/food, 9-12 December, 1980, Germany.

Seetharama, N and Sivakumar, M V K and Bidinger, F R and Singh, S S and Maiti, R K and Reddy, B V S and Peacock, J M and Reddy, S J and Mahalakshmi, V and Sachan, R C and Raj, A S and Murthy, S R K and Narayanan, A and Kanangara, T and Durley, R C and Simpson, G M (1981) Problems and prospects for increasing yield under drought criticism and synthesis with sorghum. In: Symposium on Plant Physiology and Biochemistry in the 80s, 1981, IARI, New Delhi, India.

Seetharama, N and Sivakumar, M V K and Bidinger, F R and Singh, S S and Maiti, R K and Reddy, B V S and Peacock, J M and Reddy, S J and Mahalakshmi, V and Sachan, R C and Raj, A S and Murthy, S R K and Narayanan, A and Kanangara, T and Durley, R C and Simpson, G M (1981) Problems and prospects for increasing yield under drought: Criticism and synthesis with sorghum. In: Symposium on Plant Physiology and Biochemistry in the 80's, 1981, IARI, New Delhi.

Virmani, S M and Sivakumar, M V K and Reddy, S J (1980) Climatic classification of semi-arid tropics in relation to farming systems research. In: Climatic classification: a consultants' meeting , 14-16 Apr 1980 , ICRISAT Patancheru, Andhra Pradesh, India, .

Virmani, S M and Sivakumar, M V K and Reddy, S. J., S J (1980) Climatic classification of the semi-arid tropics in relation to farming systems research. In: International Crops Research Institute for the Semi-Arid Tropics: Climatic classification: a consultants' meeting, 14-16 April 1980. , ICRISAT Patancheru, Andhra Pradesh, India.

Virmani, S M and Sivakumar, M V K and Sarkar, R P (1980) Rainfall Probability and Tailoring Agriculture to Match it. In: Proceedings of the Symposium on Rainwater and Dryland Agriculture , 3 October 1980, New Delhi, India.

Book

Sivakumar, M V K and Konate, M and Virmani, S M (1984) Agroclimatology of West Africa: Mali. International Crops Research Institute for the Semi-Arid Tropics, Patancheru Andhra Pradesh India.

Virmani, S M and Sivakumar, M V K (1980) Climatic classification: a consultants' meeting at ICRISAT Patancheru, Andhra Pradesh, India, 14-16 Apr 1980. International Crops Research Institute for the Semi-Arid Tropics , Patancheru, Andhra Pradesh, India .

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