Authors: KOPKE U

Citation: U. Kopke, NUTRIENT MANAGEMENT IN ORGANIC FARMING SYSTEMS - THE CASE OF NITROGEN, Biological agriculture & horticulture, 11(1-4), 1995, pp. 15-29

Authors: JUSTUS M KOPKE U

Citation: M. Justus et U. Kopke, STRATEGIES TO REDUCE NITROGEN LOSSES VIA LEACHING AND TO INCREASE PRECROP EFFECTS WHEN GROWING FABA BEANS, Biological agriculture & horticulture, 11(1-4), 1995, pp. 145-155

Authors: RIPPIN M HAGGAR JP KASS D KOPKE U

Citation: M. Rippin et al., ALLEY CROPPING AND MULCHING WITH ERYTHRINA-POEPPIGIANA (WALP) OF COOKAND GLIRICIDIA-SEPIUM (JACQ) WALP - EFFECTS ON MAIZE WEED COMPETITION, Agroforestry systems, 25(2), 1994, pp. 119-134