共 5 条
- [3] INFLUENCE OF CROP-ROTATION, FERTILIZER AND HERBICIDE TREATMENTS ON THE MAINTENANCE OF LONG-TERM SOIL FERTILITY .1. COMPARISON OF CHANGES IN CHEMICAL AND PHYSICAL-PROPERTIES OF SOIL FERTILITY AFTER ONE ROTATION OF 5 YEARS ZEITSCHRIFT FUR ACKER UND PFLANZENBAU-JOURNAL OF AGRONOMY AND CROP SCIENCE, 1983, 152 (06): : 405 - 425
- [5] IMPACT OF CROP-ROTATION, FERTILIZER TREATMENTS, AND HERBICIDAL APPLICATIONS ON THE LONG-TERM MAINTENANCE OF SOIL FERTILITY .6. EXAMINATION OF PROGRESSIVE DIFFERENCES REGARDING CHEMICAL AND PHYSICAL FACTORS OF THE YIELD POTENTIAL OF A SOIL CONDUCTED OVER THE PERIOD 1973 THROUGH TO 1983 JOURNAL OF AGRONOMY AND CROP SCIENCE-ZEITSCHRIFT FUR ACKER UND PFLANZENBAU, 1989, 163 (02): : 90 - 104