1054 
Journal of Agricultural Research 
Vol. XXIV 
Ijime— Page 
injury from amical sprays. 532 
addition to arsenical sprays, effects. 526 
effect on reaction of soils.931^932,936 
requirements of soils, determination meth- 
. 937 
sulphur, addition to arsenical sprays, effects 521, 
, , , . , 524-525,535 
London purple, preparation, and use as in¬ 
secticide. 506 
Macrocentrus crambivorus, parasite of striped 
• sod web worm. 412 
Magnesium carbonate, presence in soils, effect 
on Azotobacter content. 293-294 
Maize. See Corn. 
Mai di gomma, caused by Pytkophora terres- 
tria .. 191,210-213 
Mandarin oranges and hybrids susceptibility 
to citrus scab, notes. 956,958 
Manganese- 
effect on plants in acid and neutral soils and 
necessity as plant nutrient. 78i--794 
sulphate, concentrations, effect on plant 
growth, etc. 781-794 
Manure, effect on black alkali soil. 335,336 
Marquis— 
Kota wheat cross, infection with stem rust, 
experiments. looi-ioio 
wheat, characters, crossing with Kanred, 
results. 457,458,459-467 
Massachusetts— 
description and characters. 997. 
999, tool, 1005, xoxo 
milk testing for butterfat composition... 392-396 
Maryland, sunflowers growing for silage, com¬ 
position studies. 769,778,779 
McClintock, J. A.; Peach Rosette, an Infec¬ 
tious Mosaic. 307-316 
McGinnis, F. W., and Taylor, O. S.: The 
Effect of Respiration upon the Protein 
P Percentage of Wheat, Oats, and Barley X04X-1048 
McHargue, J. S.: Effect of Different Concen¬ 
trations of Manganese Sulphate on the 
Growth of Plants in Add and Neutral Soils, 
and the Necessity of Manganese as a Plant 
Nutrient. 781-794 
Meal, whole yellow com, feeding experiments, 
results.971-972 
Media for Pusarium cultures.349-350,351-352 
Messer, Anne C., Holland, E. B., Garvey, 
M. E., Pierce, H. B., Arc^bald, J. G., and 
Dunbar, C. O.: Determination of Patty 
adds in Butter Pat.—II.365-398 
Method of Treating Maize Seed to Destroy 
Adherent Spores of Downy Mildew: Wil¬ 
liam H. Weston, jr.853-860 
Mexico, dtms gummosis, occurrence.... 193,194 
Microoganisms, black alkali soils, sulphur 
oxidation. 297-305 
Microscopic Estimation of Colloids in Soil 
Separates: William H. Pry. 879-883 
Mildew, downy— 
destruction on com seed, method.853-860 
oriental, danger of introduction.853-854 
Milk—^ 
addition to arsenical sprays, effects... 525 
Holstein cows and herds, fatty adds in 
butterfat.367-392 
insuffidency as food for adult animals.. .433-435 
of Jersey cows, determination of fatty adds 
in butterfat. 367-379 
mixed herds, butterfat, determination of 
fatty acids.365-367 
Millet- 
downy mildew, spread by oospores in seed.. 854 
susceptibility to mosaic disease. 260 
Minnesota— 
Experiment station, wheat breeding in- 
vesti^tions. 982 
peat soils, studies.486,490-497 
Mode of Inheritance of Resistance to Puccinia 
graminis with Relation to Seed Color in 
Crosses between Varieties of Duriun Wheat: 
J. B. Harrington and O. S. Aamodt... 979-996 
Moisture— 
effect on spore germination of oats smut.... 580, 
585-588 
relation to bean wilt. 749-75® 
Moisture—Continued Page 
soil- 
movement from small capillaries into 
large upon freezing.427-432 
relation to— 
Pusarium disease of cabbage seedlings. 55-86 
oats infection by loose smut.572-575 
Molasses, waste, as energy source for Azoto¬ 
bacter, results. 270-273 
Molding, snow, control on coniferous nursery 
stock. 741-748 
Montana potato losses caused by dry rot and 
Pusariiun wilt. 339 
Morphology— 
and Host Relations of Pucciniastrum ameri” 
canum: B. O. Dodge.885-894 
sunflowers growing for silage, composition. 
studies. 769; 778,779 
Moorland, effect on tile, studies_ 47 i-472j 499 ; 500 
Morris, H. E., and Nutting, Grace B.: Identi¬ 
fication of Certain Species of Pusarium 
Isolated from Potato Tubers in Montana. 339-364 
Morris, H. E., Swingle, D. B., £md Burke, 
E.: Injury to PoUage by Arsenical Spray 
Moistures. sox-538 
Mosaic- 
cane, transmission by seeds. 260-261 
grass— 
hosts, wild and cultivated. 247-262 
transmission by insects, tests, and re¬ 
sults. 251-255 
infectious disease of peaches, study.307-316 
sugar-cane, hosts, wild and cultivated... 247-262 
tobacco, different types, transmission ex¬ 
periments. 249-250 
Moths, web worm, description and habits.. 404-405, 
418-420 
Movement of Soil Moisture from Small Capil¬ 
laries to the Large Capillaries of the Soil 
upon Freezing: George John Bouyoucos. 4® 7 - 43 ® 
Mucar racemosus, cause oi sweet potato rot at 
low temperatures......448,456 
Mulch, injury to coniferous nursery stock in 
winter. 744-746 
Miunmy pea, cros.sing with Gradus pea, in¬ 
heritance studies. 825-847 
Muskeg. 47® 
Myristic acid, butterfat, analyses and notes.. 366. 
370 - 379 f386-396 
Necrosis, phloem, of Irish potato, occurrence 
and significance. 237-246 
Neidig, Ray E-, and Snyder, Robert S.: 
Sweet Clover Investigaticms. 769-799 
Sunflower Investigations. 769-780 
Netblotch, barley, cause, description, and 
control. 642,656,663 
Nicotine, determination in tobacco and to¬ 
bacco extracts, improved method.961-970 
Nitrates— 
precipitation direct, method, use on tobacco 
extracts. 967;^;97o 
Effect on plant growth in black alkali 
soil.330-33®; 335 
efficiency as nutrients for rice.623-624 
relation to rice chlorosis.625-629; 632-635 
Nitric acid, effect on plant growth.330-33® 
Nitrogen- 
content of wheat factors affecting. 941-944 
studies, historical review. 939“94i 
distribution in wheat and changes during 
development. 944-950 
fixation— 
by Azotobacter cultures, tests. 267-273 
experiments, use of calcium carbonate. 185-190 
media used by different investigators.. 185-188 
fixing- 
effect of reaction of soil.907-938 
in soil, relation to Azotobacter flora.... 933-935 
forms, efficiency as rice fertilizers, compari¬ 
son. 632-637 
growth and fixation by Azotobacter, in¬ 
fluence of hydrogen-ion concentration. 759^767 
translocation in wheat, effect of water... 947-948 
Nodule formation in beans, relation to bean 
wilt, experiments. 749-75® 
Notholcm lanatus. See Velvet grass. 
Nursery stock, coniferous, snow molding con¬ 
trol. 741-748 
Nutrition of Plants Considered as an Elec¬ 
trical Phenomenon: James F. Breazeale... 41-54 
