Processes of nitrogen loss from fertilizers applied to flooded rice fields on a calcareous soil in north-central China Z. L. ZhuG. X. CaiJ. R. Freney OriginalPaper Pages: 101 - 115
Fertilizer requirements for specified yield targets. I. Theoretical derivation of mathematical models for the computation of soil and fertilizer nutrient efficiencies V. MurugappanG. V. KothandaramanT. S. Manickam OriginalPaper Pages: 117 - 126
Fertilizer requirements for specified yield targets. II. Field verification of mathematical models for the estimation of soil and fertilizer nutrient efficiencies V. MurugappanG. V. KothandaramanT. S. Manickam OriginalPaper Pages: 127 - 140
Incorporation of nitrification inhibitors with urea and urea-ammonium nitrate for irrigated corn G. L. Malzer OriginalPaper Pages: 141 - 151
Experimental validation of an N-response model for widely different crops D. J. GreenwoodANN Draycott OriginalPaper Pages: 153 - 174
Quantitative relationships for growth and N content of different vegetable crops grown with and without ample fertilizer-N on the same soil D. J. GreenwoodANN Draycott OriginalPaper Pages: 175 - 188
Growth and acetylene reduction activity ofAzolla caroliniana Willd. as influenced by split applications of urea fertilizer and their response on rice yield A. B. MannaP. K. Singh OriginalPaper Pages: 189 - 199