Citation: J. Garz et al., YIELD DEVELOPMENT IN THE LONG-TERM EXPERI MENT CONTINUOUS RYE CROPPING HALLE AFTER THE CHANGES IN THE FERTILIZATION IN 1990, Zeitschrift fur Pflanzenernahrung und Bodenkunde, 159(4), 1996, pp. 373-376
Citation: H. Stumpe et al., EFFECT OF DIFFERENTIAL P-FERTILIZER APPLI CATION OVER A PERIOD OF 40 YEARS IN A LONG-TERM FIELD EXPERIMENT ON A PHAEOZEM NEAR HALLE, GERMANY, Zeitschrift fur Pflanzenernahrung und Bodenkunde, 157(2), 1994, pp. 105-110