 | Up a level |
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
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
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
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
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
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
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.
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
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
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
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
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
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 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) 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
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) Climate change and implications for agriculture in niger. Climate Change, 20 (4). pp. 297-312. ISSN 1573-1480
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
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
Lawson, T L and Sivakumar, M V K (1991) Climatic constraints to crop production and fertilizer use. Fertilizer Research, 29. 09-20.
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
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
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
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
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
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
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.
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
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
Sivakumar, M V K and Shaw, R H (1978) Leaf response to water deficits in soybeans. Physiologia Plantarum, 42 (1). pp. 134-138.
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.
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
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