Higher and better yields with less environmental pollution in Egypt through balanced fertilizer use Mohamed M. El-FoulyA. F. A. Fawzi OriginalPaper Pages: 1 - 4
Fertigation for minimizing environmental pollution by fertilizers J. HaginAnat Lowengart OriginalPaper Pages: 5 - 7
The agronomical and physiological efficiency of nitrogen applied for arable crops in Poland E. FotymaM. Fotyma OriginalPaper Pages: 9 - 12
Principles of forest fertilisation - illustrated by New Zealand experience I. R. HunterW. Smith OriginalPaper Pages: 21 - 29
Effect of different rates of N-fertilizers on nodulation, nodule activities and growth of two field grown cvs. of soybean A. M. Abdel WahabM. H. Abd-Alla OriginalPaper Pages: 37 - 41
Impact of vesicular arbuscular mycorrhizal fungi andRhizobium on the growth and P, N and Fe uptake by faba-bean I. A. El-GhandourM. A. O. El-SharawyE. M. Abdel-Moniem OriginalPaper Pages: 43 - 48
Effect of time and rate of nitrogen application on cotton H. B. SetatouA. D. Simonis OriginalPaper Pages: 49 - 53
Heavy metal contaminants in inorganic and organic fertilizers J. J. Mortvedt OriginalPaper Pages: 55 - 61
The role of inorganic fertilizers and their management practices Christian Hera OriginalPaper Pages: 63 - 81
Suitability of North Carolina natural phosphate to Polish agriculture M. FotymaL. HammondK. Kesik OriginalPaper Pages: 83 - 86
Improvement of leguminous vegetables production in calcareous soil by addition of some acidifying materials N. N. MichailF. S. FarisR. G. Kerlous OriginalPaper Pages: 87 - 91
Nitrogen fertilization management in orchards to reconcile productivity and environmental aspects M. TagliaviniD. ScudellaziM. Toselli OriginalPaper Pages: 93 - 102
Natural radioactivity in phosphate fertilizers L. C. ScholtenC. W. M. Timmermans OriginalPaper Pages: 103 - 107
Coordinated phosphorus research within a network of six European institutions M. VanoverstraetenG. Hanotiaux OriginalPaper Pages: 109 - 115
Plant nutrient sulphur-a review of nutrient balance, environmental impact and fertilizers S. P. Ceccotti OriginalPaper Pages: 117 - 125
Plant biomass and fruit yield induction by Ti(IV) in P-stressed pepper crops J. L. Lopez-MorenoJ. L. GiménezC. F. Alcaraz OriginalPaper Pages: 131 - 136
Improvement of the N fertilizer efficiency with dicyandiamide (dcd) in citrus trees M. D. SernaF. LegazE. Primo-Millo OriginalPaper Pages: 137 - 142
Effect of method of N-application and modified urea on N-15 recovery by rice Soliman M. SolimanMohemed A. S. Abdel Monem OriginalPaper Pages: 143 - 148
Soil effects due to sewage sludge application in agriculture H. HäniA. SiegenthalerT. Candinas OriginalPaper Pages: 149 - 156
Reducing N losses (NH3, N2o, N2) and immobilization from slurry through optimized application techniques P. DoschR. Gutser OriginalPaper Pages: 165 - 171
Agricultural use of sewage sludge and its regulation P. Soler-RoviraJ. Soler-SolerA. Polo OriginalPaper Pages: 173 - 177
Cotton fertilization with composts of (sugarbeet) vinasse and agricultural residues E. MadejonM. J DiazF. Cabrera OriginalPaper Pages: 179 - 182
Effect of agricultural practices on the nitrogen losses to the environment C. Ramos OriginalPaper Pages: 183 - 189
Control of nitrate pollution by application of controlled release fertilizer (CRF), compost and an optimized irrigation system J. A. DiezR. CaballeroA. Vallejo OriginalPaper Pages: 191 - 195
Nitrogen losses by denitrification and leaching in grassland J. M. EstavilloM. RodriguezC. Gonzalez-Murua OriginalPaper Pages: 197 - 201
Considerations on main factors which take part in nitrate contamination of ground water in Spain with relationship to other EU countries S. Ruano Criado OriginalPaper Pages: 203 - 207
Phosphate enrichment in the sandy loam soils of West-Flanders, Belgium J. De SmetG. HofmanL. Baert OriginalPaper Pages: 209 - 215
Putting the concept of environmentally balanced fertilizer recommendations into practice on the farm I. Steen OriginalPaper Pages: 235 - 240
