LIST AND CONTENTS OF BULLETINS 1 TO 100. 89 



upon AVater Hac'toriii. By Karl F. K(>lloriiiaii, Physiol- 

 ogist, and- T. 1). Peckwith, Scientific Assistant. VIII. 

 Conditions Aft'ecting Legume Inoculation. Hy Karl F. 

 Kellernian, Physiologist, and T. II. Robinson, Assistant 

 Physiologist. 1907. 83 pp., 9 pis,, (> figs. Price, '26 

 cents. 



Contents: Cranljt'rry si)ra_\ing' ex])erinieiits in 1905: Iiitrodiiction — .S|)ray- 

 irig- and its results — lni[)()rtant'(> of early applications — Ivffects of si)rayinjif 

 plants wluMi ill full bloom — Keeping- qualities of s]irayefl and unsprayed fruit — 

 Cost and reeonuiieiulatioiis. The wrapping of apple g-rafts and its relation to 

 the crown-gall disease: Introduetion — .\eeoiint of exjieriineiits — Manner of 

 wrapjiing — drafts left iiiiwraiijied — IJesiilts of \vi>'a|)piiig : I*]ft"eet upon the 

 union ; efl'eet on erowii-gall formation — l{eeomniedations — Suggestions to nurs- 

 erymen — Summary. Garlicky wheat: I iitro<l notion — Wheat containing gar- 

 lie- — Experiments in separating- garlic from wheat: Lot A; lot l>;'lot C — The 

 total cost of drying- and cleaning garlicky wheat: The. net cost of removing 

 garlic — The effect of the drying on the milling (lualities of the grain — The 

 effect of the drying on the vitality of the wheat — Machinery i:sed for drying 

 and cleaning — Summary. Methods of testing the burning c|i:ality of cigar 

 tobacco: Introduction — The .smoking test — The effects of the filler, the binder, 

 and the wrapper on the «i)urn of the cigar — Testing the capacity for holding 

 fire and the evenness of the burn — Testing the burn of cigar-filler tobacco. 

 The drug known as pinkroot : Introduction — Trade varieties of jiinkroot 

 Identity of chief substitutes — Minor adulterants — Methods of distinguishing 

 pinkroot from its substitutes. Orchard grass: Introduction — Meth(Kls of cul- 

 ture: Seeding; mixtures with red clover; mixtures with other grasses; life 

 of meadows — Uses and value : llay ; pasture; seed; harvesting the seed crop ; 

 thrashing; handling the aftergrowth; value of the straw; weeds in orchard 

 grass seed fields; other grasses in fields intended for seed — Summary. The 

 effect of copper upon water bacteria : Introduction — Resistance of various 

 bacteria — Effect of carbon dioxid on viability of Bacilins coli and P>acillus 

 typhi — Copper sulphate and filtration. Conditions affecting legume inocula- 

 tion: Introduction — V^e of lime — Effect of soil conditions upon bacteria — 

 Effect of heavy inoculation — Effect of deration — Associative action of bac- 

 teria — Summary. 



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