Show Hydrated Lime Checks of Cabbage At least three quarters of a ton of ot hydrated lime per acre Is necessary to check of cabbage In thoroughly thoroughly thor thoro Infested soils solis and It takes at least two tons to produce a commercially commercially commer commer- satisfactory control the United States Department of or Agriculture has hns found As a result of experiments now reported reported reported re re- ported In technical bulletin T T. of Crucifers published by bythe bythe bythe the United States Department of A Agriculture Agriculture Agri Agri- rl culture It was determined that alka nika- alkalinity of soil soli alone was not the controlling controlling con con- trolling factor unless the rl right ht alkali was present The disease persisted In one soil soli made alkaline with calcium carbonate but diminished In another less alkaline soil soli treated with calcium hydroxide Very hen heavy applications of ground limestone did not retard the disease and slaked air lime was Vas found to be of questionable value alue Cabbage seedlings are arc often orten diseased dis eased In the seed bed ed cd without show show- showIng Ing disease above nho ground round and may thus transfer the disease to the field Later In the field the tops wilt and the plants ma may die or fall to produce heads Heavy neavy treatment of soils solis with hydrated lime mn may prevent pre from ruin gaining n a foothold The Tile disease Is present In 36 G states and In 21 of them Is Important to tru truck l growers |