14 pages matching heavy soils in this book
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Cheadle Royal MethodCheshunt MethodJohn Innes
Points To REMEMBER 21
4 other sections not shown
acre ammonia apparatus applied bacteria Baked soil bins boiler boiler pressure boilerman bottom carbon disulphide chemical sterilizers Cheshunt Chloropicrin compost condensation water cost covered cresylic acid crop deep depth diameter diluted distributor draught effective efficient emulsion equipment fertility flues formaldehyde ft long fuel fungi glasshouse grid growers Harrow heavy soils Hoddesdon pipes holes hose increase injection injector John Innes labour lb/hr loam low-pressure manure method nurseries organisms pallet truck perforated pipes pests pests and diseases phenolic placed plants plot possible potash potting quantities of soil rate of steam reducing valve reinfection root eelworm satisfactory side soil steamed SOIL STERILIZATION spacing spiked pipes steam main steam sterilizing steam supply steamed soil Sterilisation STERILIZATION BY STEAM sterilized soil Stourbridge sufficient suitable symphylids tarpaulin temperature thermometer tomato trays treated treatment trench tubes unsterilized usually wireworms