Authors: RICHTER C HEILIGTAG B SCHMIDT R KOLSCH E

Citation: C. Richter et al., INFLUENCE OF DIFFERENT FERTILIZATION ON P H, N, C AND CAL-EXTRACTABLEK AND P IN THE SOIL, Zeitschrift fur Pflanzenernahrung und Bodenkunde, 160(1), 1997, pp. 107-111

Authors: MAMO T RICHTER C HEILIGTAG B

Citation: T. Mamo et al., SALINITY EFFECTS ON THE GROWTH AND ION CONTENTS OF SOME CHICKPEA (CICER-ARIETINUM L) AND LENTIL (LENS-CULINARIS MEDIC) VARIETIES, Journal of agronomy and crop science, 176(4), 1996, pp. 235-247

Authors: MAMO T RICHTER C HEILIGTAG B

Citation: T. Mamo et al., COMPARISON OF EXTRACTANTS FOR THE DETERMINATION OF AVAILABLE PHOSPHORUS, POTASSIUM, CALCIUM, MAGNESIUM AND SODIUM IN SOME ETHIOPIAN AND GERMAN SOILS, Communications in soil science and plant analysis, 27(9-10), 1996, pp. 2197-2212

Authors: ZOBISCH MA RICHTER C HEILIGTAG B SCHLOTT R

Citation: Ma. Zobisch et al., NUTRIENT LOSSES FROM CROPLAND IN THE CENTRAL HIGHLANDS OF KENYA DUE TO SURFACE RUNOFF AND SOIL-EROSION, Soil & tillage research, 33(2), 1995, pp. 109-116

Authors: RICHTER C HEILIGTAG B GERTLING M ABDULLAHZADEH A

Citation: C. Richter et al., SALT TOLERANCE OF DIFFERENT VARIETIES OF SORGHUM-BICOLOR AND VICIA-FABA, Der Tropenlandwirt, 96(2), 1995, pp. 141-152