 | PREFACE (Prof. Dr. DIETRICH FRITZ, P.D.S. PIENIAZEK, DR. G. de BAKKER, Dr. EMIL CHROBOCZEK, DR. HENRYK BURCZYK) |
| THE USE OF SOIL AND PLANT ANALYSIS FOR THE FERTILIZER RECOMMENDATION DEVELOPMENT FOR VEGETABLE CROPS (K.P. Magnickij) |
| OVERALL ASPECTS OF PLANT ANALYSIS IN VEGETABLE PRODUCTION (E.L. Bergman) |
| THE USE OF PLANT ANALYSIS IN STUDIES OF THE NUTRITION SYSTEM OF VEGETABLE PLANTS GROWN FOR SEED PRODUCTION (Z. Zurbicki, L. Zurbicka) |
| LEAF ANALYSIS AS A MEAN OF DETERMINING THE NUTRIENT REQUIREMENTS OF GREENHOUSE TOMATOES (J.R. Starck, J. Grudzinska-Kühn, J. Wojciechowski) |
| CHEMICAL ANALYSIS OF PLANTS AND SUBSTRATES AS A CRITERION OF DETERMINING THE CUCUMBER FERTILIZATION NEEDS DURING GREENHOUSE GROWING (T. Pudelski) |
| INVESTIGATIONS ON NITROGEN NUTRITION INDICES OF CABBAGE AND CUCUMBER (M. Mijas, O. Nowosielski) |
| DEVELOPMENT OF SOIL TESTING IN THE NETHERLANDS (Ir. J. van der Boon) |
| EXTRACTION METHODS FOR THE DETERMINATION OF MAJOR ELEMENTS IN GREENHOUSE SOILS AND POTTING - AND CULTURE MEDIA (J. van den Ende) |
| CONSTANT NUTRIENTS AND MOISTURE FOR PRECISION NUTRIENT GRADIENTS (C.M. Geraldson) |
| SOIL ANALYSES AND COMPUTERIZED FERTILIZER RECOMMENDATIONS FOR VEGETABLES IN PENNSYLVANIA (E.L. Bergman, R.F. Fletcher) |
| GREENHOUSE EXPERIMENTS FOR EVALUATION OF THE METHODS OF DETERMINING POTASSIUM FERTILIZER NEEDS (S. Mercik) |
| THE UNIVERSAL SOIL TESTING SYSTEM AND FERTILIZER RECOMMENDATIONS FOR VEGETABLE CROPS (O. Nowosielski) |
| STANDARDIZATION OF PLANT AND SOIL TESTING FOR FERTILIZER RECOMMENDATION (O. Nowosielski) |
| THE SIGNIFICANCE OF ORGANIC FERTILIZATION AT PROPER MINERAL FERTILIZATION AND IRRIGATION (D. Fritz, Chr. Wonneberger) |
| THE REACTION OF VARIOUS VEGETABLE CROPS ON ORGANIC OR MINERAL FERTILIZATION BASED ON EXPERIMENTAL RESULTS IN THE YEARS 1922–1969 (E. Chroboczek) |
| ORGANIC FERTILIZATION IN VEGETABLE FARMING - LUXURY OR NECESSITY? (E.O. Beckmann) |
| SOIL MICRO-POPULATION STUDIES IN CONTINUOUS FIELD EXPERIMENT WITH EXCLUSIVE FARM-YARD MANURING OR EXCLUSIVE MINERAL FERTILIZATION (Z. Maciejewska, L. Dutkiewicz) |
| THE INFLUENCE OF GREEN MANURE FORECROPS AND OF SPRAY IRRIGATION ON THE YIELD OF LATE CABBAGE (Z. Borna) |
| THE INFLUENCE OF ORGANIC FERTILIZATION AND LIMING ON VEGETABLE YIELDS (ONION, CUCUMBER, CABBAGE) AT DIFFERENT LEVELS OF MINERAL FERTILIZATION (A. Beresniewicz, O. Nowosielski) |
| CRITICAL OBJECTIONS OF QUALITY RESEARCH TOWARDS CERTAIN TECHNIQUES IN VEGETABLE CULTIVATION AND PROCESSING FROM THE STANDPOINT OF THE BIOLOGICAL VALUE (W. Schuphan) |
| EFFECTS OF POTASSIUM DEFICIENCY ON SOME ORGANIC CONSTITUENTS IN PLANTS (T.Z. Nowakowski) |
| QUALITY CONSTITUENTS OF CARROTS DAUCUS CAROTA L. AS INFLUENCED BY NITROGEN AND POTASSIUM FERTILIZATION (J. Habben) |
| THE INFLUENCE OF DIFFERENT NITROGEN FORMS AND INCREASING NITROGEN DOSES ON THE CONTENT OF TOTAL NITROGEN AND OF NITRATE IN CAULIFLOWER PLANTS (F. Pimpini, F. Venter, A. Wünsch) |
| RELATIONSHIP BETWEEN THE NUTRITION AND THE APPEARANCE OF "GREENBACK" AND "BLOSSOM-END ROT" IN TOMATO FRUITS (H. Forster) |
| THE CONTROL OF BLOSSOM-END ROT OF TOMATO AND TIPBURN IN LETTUCE BY USING THE PROPER FERTILIZATION (J. Borkowski, J. Ostrzycka) |
| THE INFLUENCE OF NITROGEN FERTILIZATION ON ONION QUALITY AND STORAGE (M. Sypien, J. Smoter, A. Kepkowa, O. Nowosielski) |
| INFLUENCE OF FERTILIZATION ON THE QUALITY OF VEGETABLES PARTICULARLY FOR PROCESSING (D. Fritz, J. Habben) |
| INVESTIGATION OF TRACE ELEMENT SUPPLY OF TOMATO-PLANTS (I. Pais, A. Somos, F. Tarjányi) |
| EFFECT OF MINERAL FERTILIZATION ON THE PRODUCTIVITY AND SOME QUALITY INDICES OF THE WHITE HEAD CABBAGE (G. Dimitrov, V. Rankov) |
| THE INFLUENCE OF HEAVY APPLICATION OF MINERAL FERTILIZERS AND OF IRRIGATION ON THE YIELD VEGETABLES (Z. Borna) |
| THE INFLUENCE OF DIFFERENT WAYS OF MIXING LARGE AMOUNTS OF PHOSPHORUS AND POTASSIUM FERTILIZERS WITH SOIL ON THE YIELD OF LATE CABBAGE (Z. Borna) |
| THE EFFECT OF MULCHING ON THE BEHAVIOUR OF SOME NUTRIENT COMPOUNDS IN THE SOIL (A. Libik, T. Wojtaszek) |
| THE USE OF FERTILIZERS ON VEGETABLES IN GHANA (S. Sinnandurai) |
| ATMOSPHERIC ELECTRICITY AND PLANT NUTRITION (Z. Zurbicki) |
| PRODUCTION OF COMPOST FROM TOWN WASTES IN POLAND (T. Antolak) |
