 | PREFACE (Ir. P.J. Stadhouders) |
| CUTTING AND CROPPING IN ARTIFICIAL MEDIA (F.L.J.A. Verwer) |
| THE USE OF FERTILIZED AND UNFERTILIZED PEATS OF DIFFERENT ORIGIN FOR ROOTING CUTTINGS (B.C.M. van Elk) |
| THE DEMANDS SET BY PROGRAMMED WATERING AND FEEDING ON THE GROWING MEDIUM (V. Puustjärvi) |
| EFFECT OF MANGANESE AND SULPHUR FERTILIZATION ON GROWTH AND YIELD OF ONIONS GROWN ON ALKALINE LOW MOOR PEAT SOIL (J. Rumpel, J. Robak) |
| PEAT SUBSTRATE AS A GROWING MEDIUM FOR CUCUMBERS (C. Sonneveld, S.J. Voogt) |
| PEAT AND OTHER ORGANIC MATERIALS REPEATEDLY USED FOR GREENHOUSE GROWN VEGETABLES (T. Pudelski) |
| GROWING VEGETABLE CROPS IN ROCKWOOL AND OTHER MEDIA (F.L.J.A. Verwer) |
| PEAT AS A FORCING MEDIUM FOR TULIPS (J. van der Boon) |
| PHOSPHORUS FERTILIZER STUDIES WITH CAPSICUM ANNUUM L. (SWEET PEPPER) (M. Vereecke) |
| COMPOST NUTRIENT BALANCE: EFFECTS ON GROWTH OF TOMATO PLANTS, FRUIT QUALITY AND YIELD (G. C.S. Wilson, A.J. McGregor) |
| MICRONUTRIENT REQUIREMENTS OF CHRYSANTHEMUMS GROWN ON PEAT SUBSTRATES (K.W. Smilde) |
| FERTILIZING AND LIMING, - FACTORS INFLUENCING UPTAKE OF TRACE ELEMENTS BY ORNAMENTAL PLANTS GROWN IN PEAT SUBSTRATE (Z. Haber) |
| FRITTED TRACE ELEMENTS (F.T.E.) AS A BASIC FERTILISER FOR PEAT (J. Roll-Hansen) |
| USE OF SLOW-RELEASE FERTILIZERS IN PEAT SUBSTRATES (F. Penningsfeld) |
| THE USE OF SLOW RELEASE FERTILIZERS IN POT PLANT PRODUCTION (F. Kobel) |
| POTTING SUBSTRATES IN THE NETHERLANDS (G.A. Boertje, R. Arnold Bik) |
| THE PREPARATION OF ARTIFICIAL SOILS BASED ON PEAT MATERIALS FOR GROWING UNDER GLASS AND PLASTICS (L. Hargitai) |
| PEAT, BARK AND SAWDUST MIXTURES FOR NURSERY SUBSTRATES (E.F. Maas, R.M. Adamson) |
| FERTILISING STANDARDS FOR POTTING COMPOSTS BASED ON THE 1 : 1 ½ VOLUME EXTRACTION METHOD OF SOIL TESTING (R. Arnold Bik, G.A. Boertje) |
| ANALYTICAL METHODS FOR PEAT SUBSTRATES (John W. White, R.F. Fletcher, R.J. Thomas, M.N. Long) |
| THE USE OF SPHAGNUM PEAT AND BROWN COALS FOR GROWING PLANTS IN HYDROPONIC CONTAINERS (O. Nowosielski, J. Smoter, H. Wisniewska, B. Szmidt) |
