Optimal fertilizer requirement of rainfed sunflower based on varying soil moisture stress indices on semi-arid vertisols of India

Helia

Volumn 31, Issue 48, 2008, Pages 137-154

  Maruthi Sankar, G R ^a   Vittal, K P R ^a   Pharande, A L ^b   Victor, U S ^a   Ravindra Chary, G ^a   Ramakrishna, Y S ^a   Girija, A ^a  

^a CENTRAL RESEARCH INSTITUTE FOR DRYLAND AGRICULTURE   (India)

^b Mahatma Phule Krisht Vidyapeeth ^*  (India)

Author keywords

Dates of sowing; Moisture conservation; Optimization of fertilizer; Regression models; Soil moisture stress index

Indexed keywords

HELIANTHUS;

EID: 77955907864     PISSN: 10181806     EISSN: None     Source Type: Journal    
DOI: 10.2298/HEL0848137S     Document Type: Article

References (12)

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2. Draper, N.R. and Smith, 1973. Applied Regression Analysis. John Wiley and Sons Inc., New York.
3. Hanumantha Rao, C., Maruthl Sankar, G.R., Sanghi, N.K. andGirlja, A. 1993. Quantification of rainfall effects on grain yield of sorghum genotypes in dryland alfisols. Journal of Indian Society of Agricultural Statistics 45(3): 341-349.
4. Maruthi Sankar, G.R., 1986. On screening of regression models for selection of optimal variable subsets. Journal of Indian Society of Agricultural Statistics 38(2): 161-168.
5. Maruthi Sankar, G.R. and Sonar, K.R., 1987. Optimizing fertilizer requirement using Linear Programming model with soil test crop response data. Indian Journal of Agricultural Sciences 57(8): 587-593.
6. Maruthi Sankar, G.R., Sonar, K.R. and Reddy, K.C.K., 1988. Pooling of experimental data for predicting fertilizer requirements of rabi sorghum for varying soil test values. Journal of Maharastra Agricultural Universities 13(1): 59-62.
7. Maruthi Sankar, G.R., 1992. Application of Statistical Model-Building and Optimization Techniques in Fertiliser Use Research. Chapter 28 in the book on Dryland Agriculture: State of Art of Research in India, pp. 653-671.
8. Maruthi Sankar, G.R., Vanaja, M. and Raghuram Reddy, P., 2001. Selection of superior genotypes of sunflower using regression analysis. Helia 24(34): 49-62.
9. Maruthi Sankar, G.R. and Vanaja, M., 2003. Crop growth prediction in sunflower using weather variables in a ralnfed alfisol. Helia 26(39): 125-140.
10. Maruthi Sankar, G.R., Vanaja, M., Maruthi, V., Raghuram Reddy, P. and Narasimha Murthy, D., 2004. Selection of consistent plant traits for sunflower growth using principal component analysis. Helia 27(41): 113-122.
11. Victor, U.S., Mandai, U.K., Rao, K.V. and Vtital, K.P.R., 2003. Comparative evaluation of different soil water balance models in the estimation of root zone soil moisture. Journal of Agrometeorology 5(2): 1-14.
12. Vittal, K.P.R., Maruthi Sankar, G.R., Singh, H.P., Balaguravaiah, D., Padmalatha, Y. and Yellamanda Reddy, T., 2003. Modeling sustainabilty of crop yield on rainfed groundnut based on rainfall and land degradation. Indian Journal of Dryland Agriculture Research & Development 18(1): 7-13.