

"STERILIZATION 
a Aten Sterilizing soil is definitely a money 
aring | yee Se ye 
soa dariinien e epee n set cortatsdal aval eisaetae, Wel Veervce it aatt ame 
Cae: arctica 3 ete 
st 
Ith ih tte, we asst you apy ie thee Mr eee hay into the soil 
in place of manure, before sterilizing. Old greenhouse soils used for many years are usually high in 
eRe arene after the soil is steamed. 
USEFUL HINTS 
cere ke ew Fe ae so that 

e power. 
not pO nea feet of bench i direction. The longer 
ue He papas 
6—Suitabl. ecu wee 
various depths. 
Hg ese sides of the benches so that the entire bench and contents are heated 
ore Nc PGE ule Oe Try pe of Tle. wily thessteehile. coe o geod eee 

Re arate CU ale URE Viera cre © Ok This allows the 
"exces moire fo ee se aay 
et vg ond Cee ha one uel ra more porous soil, 

11—Steam sterilization ck a aati increase the soluble salts, nitrate nitrogen and 
arene noen ot period of Uersmtasie although this is not always 
Heme a8 el leas eeggsess ieih 
13—Be very car ofl aunt contemninstas ses ed oie a eae etc., 





H4The cst of stom stion will average |-'2 cents foot of bench 
Sa Son rel 
