Hydroponics, Growing Without Soil: Easy-to-follow Instructions for the Flatdweller, Modern Gardener and Commercial Grower |
Common terms and phrases
acid Ammonium asbestos-cement beds benomyl bitumen bitumen paint calcium Calcium nitrate carnation cells cent Chapter chemical chrysanthemum commercial concentration concrete container corms crops DDT/BHC demeton-S-methyl derris diazinon dichlorvos dimethoate drainage dry-feed feeding flower formula gallons garden germination gladioli glass glasshouse gravel Gravel sub-irrigation greenhouse growing medium growing plants grown growth heat holes humidity hydroponic hydroponic grower hydroponic method hydroponic tank irrigation leaf lettuce light lignite Magnesium malathion materials Metric mineral mixture moisture necessary nitrate nitrogen nutrient solution oxydemeton-methyl parathion particles peat perlite pests and diseases pH value phosphate pipe plant nutrient plastic Potassium Potassium nitrate pots powder produce propoxur pump reservoir salts sand seed-trays seedlings seeds slab soil spray staking sterilisation stomata sub-irrigation suitable sulphate sulphuric surface temperate zones temperature tetradifon time-clock tomatoes trace elements transplanting valve vermiculite window-box