Zinc diffusion and extractability as affected by zinc carrier and soil chemical properties A. S. Modaihsh OriginalPaper Pages: 85 - 91
Response of promiscuously nodulating soybean to N and P fertilization andBradyrhizobium inoculation in a ferruginous tropical soil (Haplustalf) O. O. Olufajo OriginalPaper Pages: 93 - 100
Field evaluation of commercial triple superphosphate fertilizers G. L. MullinsC. E. Evans OriginalPaper Pages: 101 - 106
Influence of sulphur fertilizer placement, soil moisture and temperature on yield response of rape to sulphur-bentonite W. F. NuttallC. C. BoswellB. Swanney OriginalPaper Pages: 107 - 114
Micronutrients and heavy metals in Dutch agriculture W. van DrielK. W. Smilde OriginalPaper Pages: 115 - 126
The theory, design and experience of Lamella Gravity Settlers in the phosphate industry Sandra E. Wenk OriginalPaper Pages: 139 - 143