Movement and distribution of fertilizer nitrogen as affected by depth of placement in wetland rice WN ObcemaSK De DattaFE Broadbent OriginalPaper Pages: 125 - 148
Efficiency of modified urea fertilizers for tropical irrigated rice JC FlinnCP MamarilK Kaiser OriginalPaper Pages: 157 - 174
The tolerance of a grass forage, grown in pots, to urea applied to calcareous soils under very hot, dry conditions IA AyedAS Mashhady OriginalPaper Pages: 175 - 180
Dynamics of ammonia volatilization from simulated urine patches and aqueous urea applied to pasture I. Field experiments RR SherlockKM Goh OriginalPaper Pages: 181 - 195
Q/I relationship of potassium in two soils of long-term experiments AN GaneshamurthyCR Biswas OriginalPaper Pages: 197 - 201
Optimum phosphate and potassium levels in potato tops J PrummelPA Von Barnau-Sijthoff OriginalPaper Pages: 203 - 211
Varietal differences for reaction to high soil acidity and to trace elements; a survey of research in The Netherlands J MesdagAG Balkema-Boomstra OriginalPaper Pages: 213 - 233