The New Encyclopædia Britannica in 30 Volumes: Macropædia : Knowledge in Depth. - 19 Bd, Volumes 1-19Encyclopædia Britannica, 1974 |
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Page 140
... compounds sodium fluoride , cryolite contact poisons ( natural ) plant extracts pyrethrum , nicotine , rotenone ... compounds dithiocarbamates ferbam , nabam , maneb , thiram chlorine based folpet , chloranil , dichloran , dichlone ...
... compounds sodium fluoride , cryolite contact poisons ( natural ) plant extracts pyrethrum , nicotine , rotenone ... compounds dithiocarbamates ferbam , nabam , maneb , thiram chlorine based folpet , chloranil , dichloran , dichlone ...
Page 141
... compounds are quite stable and arrest the disease if it is already present . Several groups used as have long residual action ; they are , therefore , particularly of compounds can be used as fungicides : ( 1 ) the inorgan- fungicides ...
... compounds are quite stable and arrest the disease if it is already present . Several groups used as have long residual action ; they are , therefore , particularly of compounds can be used as fungicides : ( 1 ) the inorgan- fungicides ...
Page 344
... compounds also produces gaseous nitrogen . This phenomenon is utilized in vesicular processes that incorporate the diazonium compound in a thermoplastic layer . The nitrogen slowly diffuses out of this layer , but if heat is added ...
... compounds also produces gaseous nitrogen . This phenomenon is utilized in vesicular processes that incorporate the diazonium compound in a thermoplastic layer . The nitrogen slowly diffuses out of this layer , but if heat is added ...
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