Co-operative tobacco investigations of the Bureau of Plant Industry, U.S. Department of Agriculture, and the Virginia Experiment Station, progress of the experiments
Virginia Agricultural Experiment Station, 1908 - Medical - 26 pages
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12 bushels acre ammonia application of fertilizer applied Appomattox barn manure beneﬁt BLACKSBURG breeder Bureau of Plant bushels bushels per acre Chatham clover corn crop cowpeas Crambus crop rotation crops of tobacco cutworm dark ﬁred DARK TOBACCO BELT Department of Agriculture deposit its eggs dollars Expected yield experimental farm farmers ﬂowers ﬂue cured grass crops heavily fertilized heavy application heavy seed I I I IIMI important point improvement of tobacco indicated in view insect pests large number legume leguminous crop live stock husbandry methods mixed grasses MONTGOMERY COUNTY moth National Department newly set tobacco nitrate of soda nn.I nnnn number of leaves plant breeding plats Plot experiments potash problems proﬁt proﬁtable rotation system rotation with tobacco Saving seed seed saving seed selection soil Sumatra Supt tilizer tobacco had received tobacco produced top-dressing type of tobacco Virginia Experiment Station weeds wheat