Journal of Agricultural Research, Volume 66U.S. Government Printing Office, 1943 - Agriculture |
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Agricultural amount appeared apples applied areas average beet borers boron calcium cells combined compared complete concentration containing copper cotton covering cross culture determined disease distilled effect energy experiment factor field FIGURE flowers fruit ginning given Grams green grown growth heading hybrid illus inches increase indicated infection inoculated Jour June leaves length less lint material matter meal mean measurements medium mesocotyl method mixture mycelium nitrogen normal observed obtained occurred oxygen parent percent percentage period placed plants plots pollen pounds present pressure produced protein rate of respiration reaction reduced reported respectively roots salts samples sand seed seedlings showed shown significant similar smut soil solution species spray stage surface taken temperature tests tion tissue treatment unit varieties weight yield