27 pages matching urea-formaldehyde compounds in this book
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Dr W F Bewley C B E D Sc V M H An Appreciation
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acaricidal acre Agric analysis applied axillary shoots block blotchy fruit blotchy ripening boron buffer solutions calcium sulphate carnation Cheshunt chrysanthemum coloured fruit compost concentration crop yields cucumber cucumber mildew date of sampling diazinon Didymella disease dry matter effect experimental experiments expressed sap fertilizers foliage formaldehyde fruit quality fruit walls fungus glasshouse Glasshouse Crops grade green growers grown growth Horticultural Immuna increased infection inoculated Institute investigation layer leaf levels lycopersici magnesium magnesium deficiency manganese manure Mean mildew mushroom mycelium nitrogen normal nutrient nutrition obtained pC values percentage phosphate Plant Plants Plant plots potash pots Red Spider Mite Sciarids season showed shown soil soluble salts solution spores sprays stages steaming stem sterilized studies sugars superphosphate Table temperature tests tissue titratable acidity tomato fruit tomato plants total solids treatments trials truss urea urea-formaldehyde urea-formaldehyde compounds variety Potentate weeks Winsor