Solubility and availability to sugarcane (Saccharum Spp.) of two silicate materials O. A. Medina-GonzalesR. L. FoxR. P. Bosshart OriginalPaper Pages: 3 - 13
Quantification of soil patterns and field soil fertility using spectral reflection and digital processing of aerial photographs Feng ZhengH. Schreier OriginalPaper Pages: 15 - 30
Extractable iron in two soils of contrasting pH fertilized with ferrous sulfate, FeEDTA and FeEDDHA K. L. Sahrawat OriginalPaper Pages: 31 - 35
Nitrogen movement and uptake by rice fertilized with urea supergranules in two contrasting Mollisols G. R. SinghT. A. Singh OriginalPaper Pages: 37 - 45
Loss of ammonia after application of urea at different times to dry-seeded, irrigated rice E. HumphreysJ. R. FreneyCai Gui-Xin OriginalPaper Pages: 47 - 57
The effect of nitrogen on root growth and nutrient uptake of young tea plants (Camellia sinensis L.) grown in sand culture G. S. Chamuah OriginalPaper Pages: 59 - 65
The effect of the level of phosphate rock application on its dissolution in soil and on bicarbonate-soluble phosphorus I. A. K. KanaboR. J. Gilkes OriginalPaper Pages: 67 - 85
Non hygroscopic superphosphate fertilizer from apatite and hydrochloric acid K. TennakoneS. V. R. WeerasooriyaL. H. K. Silva OriginalPaper Pages: 87 - 96
