References

Barison, J., 2003. Nutrient use efficiency and nutrient use uptake in conventional and intensive rice cultivation systems in Madagascar. Master's Thesis, Department of Crop and Soil Science, Cornell University, New York, USA.

Becker, M. and F. Asch, 2005. Iron toxicity in rice-conditions and management concepts. J. Plant Nutr. Soil Sci., 168: 558-573.
CrossRef  |  Direct Link  |  

Koutroubas, S.D. and D.A. Ntanos, 2003. Genotypic differences for grain yield and nitrogen utilization in Indica and Japonica rice under Mediterranean conditions. Field Crops Res., 83: 251-260.
Direct Link  |  

Uphoff, N., 2005. Features of the System of Rice Intensification (SRI) apart from increases in yield. CIFAD, Cornell University, Ithaca, New York, USA.