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INTRODUCTION Dr Allen Cooper
CHAPTER TWO Solutions
CHAPTER FIVE Roots
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acre air temperature ammonium Ammonium molybdate analysis automatically base border soil calcium nitrate canal capillary matting carbendazim catchment tank catchment trench cause circulating commercial concrete conductivity conductivity factor cost cucumbers cytokinins developed Dingemans disease Dr Allen Cooper early equipment experience feed Fernhurst fruit fungicides GCRI glasshouse growers growing growth gullies heat Hydrocanal Hydroculture hydroponic inlet lettuce litres Lowater lower manganese meter method monitoring NFT cropping NFT installations NFT system night temperatures nitric acid nitrogen normal nursery nutrient concentration nutrient film technique nutrient solution nutrition oxygen peat peat blocks phosphate phosphoric acid phosphorus phytotoxic picking pipe plants grown plastic polythene potassium nitrate pots problem production propagation pump Pythium reservoir Rochfords rockwool root death root mat root system rows seedling slope Solufeed F stock solutions sulphate surface tomato plants tomatoes toxic trial trusses tubes warmed Warsash water supply yield zinc