The content and yield of six elements in four grasses as affected by nitrogen application and interval between harvests D WilmanNthoana Mzamane OriginalPaper Pages: 97 - 110
The balance sheet approach to determination of phosphate maintenance requirements J Karlovsky OriginalPaper Pages: 111 - 125
Long-term effect of N and P fertilization on a pearlmillet—wheat cropping system RK SinghRAJAT De OriginalPaper Pages: 127 - 139
Mineral nutrition and fertilizer response of grain sorghum in India — A review over the last 25 years UR PalUC UpadhyayNK Umrani OriginalPaper Pages: 141 - 159
Evaluation of levels and methods of zinc application to rice in sodic soils BD SharmaPN TakkarUS Sadana OriginalPaper Pages: 161 - 167
Growth response of rubber seedlings to N, P, and K fertilizer in Nigeria OU OnuwajeFO Uzu OriginalPaper Pages: 169 - 175
Comparative study of reactivity and agronomic effectiveness of Indian, US, African and Middle East rock phosphates for growing rice RN DashSK MohantyS Patnaik OriginalPaper Pages: 177 - 189