Soilless Culture for Horticultural Crop Production

acid aeration aeroponics Ammonium Ammonium nitrate bags bark base beds calcium nitrate catchment tank cm deep cm wide Collins and Jensen commercial composting concrete containing costs crop production cucumbers double rows drainage Ein Gedi electrical conductivity expanded polystyrene fertilizer flow formulations glasshouse gravel culture greenhouse grown growth gullies hectare hydroponic systems hydroponic techniques installation iron irrigation ISOSC lettuce litres Littlehampton magnesium sulphate material mg/l micronutrients mineral wool Naaldwijk NFT systems nitrogen nursery nutrient concentrations nutrient film nutrient solution nutrition oxygen peat perlite phosphate pipe plants growing plastic polythene polythene sheet potassium nitrate problems propagated residues in food rockwool blocks rockwool culture rockwool slabs salinity salts sand culture sawdust Section slope soil soilless culture solution culture Sonneveld sterilization stock solutions sub-irrigated substrate Table tomato plants tomato production tomatoes tubes vermiculite Wageningen water culture water supply whilst yields