Light fraction organic N, ammonium, nitrate and total N in a thin Black Chernozemic soil under bromegrass after 27 annual applications of different N rates S.S. MalhiK.S. GillC.M. Monreal OriginalPaper Pages: 201 - 210
Diagnosing sulfur deficiency in rice by grain analysis P.J. RandallJ.R. FreneyK. Spencer OriginalPaper Pages: 211 - 219
Effect of treatment and application technique of cattle slurry on its utilization by ley: I. Slurry properties and ammonia volatilization P.K. MattilaE. Joki-Tokola OriginalPaper Pages: 221 - 230
Effect of treatment and application technique of cattle slurry on its utilization by ley: II. Recovery of nitrogen and composition of herbage yield P.K. MattilaE. Joki-TokolaR. Tanni OriginalPaper Pages: 231 - 242
Orthogonal polynomial models to describe yield response of rice to nitrogen and phosphorus at different levels of soil fertility F. ZhangJ. ShenC. Tang OriginalPaper Pages: 243 - 251
Pruning management effects on soil carbon and nitrogen in contour-hedgerow cropping with Leucaena leucocephala (Lam.) De Wit on sloping land in Haiti L. IsaacC.W. WoodD.A. Shannon OriginalPaper Pages: 253 - 263
The effect of delaying autumn incorporation of green manure crop on N mineralization and spring wheat (Triticum aestivum L.) performance Tapio LahtiP.J. Kuikman OriginalPaper Pages: 265 - 280
Agricultural use of three organic residues: effect on orange production and on properties of a soil of the ‘Comarca Costa de Huelva’ (SW Spain) Engracia MadejónPilar BurgosFrancisco Cabrera OriginalPaper Pages: 281 - 288
The comparison of nitrogen use and leaching in sole cropped versus intercropped pea and barley H. Hauggaard-NielsenP. AmbusE.S. Jensen OriginalPaper Pages: 289 - 300