Response to nitrogen application and interval between harvests in five grasses — 2. Leaf development D. WilmanA. A. Mohamed OriginalPaper Pages: 3 - 20
Nitrogen fertilizer recommendations for arable crops as based on soil analysis J. RisK. W. SmildeG. Wijnen OriginalPaper Pages: 21 - 32
Environmental factors affecting nitrogen efficiency in flooded tropical rice A. M. FagiS. K. De Datta OriginalPaper Pages: 53 - 67