Journal of agricultural research. Journal of agricultural research, v. 57, no. 5 and 6; Sept. 1 and 15, 1938.
Publication Title:
Journal of agricultural research. Journal of agricultural research, v. 57, no. 5 and 6; Sept. 1 and 15, 1938.
Display Title:
Journal of agricultural research. Journal of agricultural research, v. 57, no. 5 and 6; Sept. 1 and 15, 1938.
Corporate Agency Authors:
Agriculture Department
Sort Author:
Agriculture Department
Date:
[1938.]
Publish Date ISO Format:
1938-01-01T00:00:00Z
Publication Start:
19380101
Publication End:
19381231
Corporate/Agency Author:
Agriculture Department
Publication month:
13
Publication year:
1938
SuDoc number:
A 1.23:57/5, 6
Description:
cover titles, p. 319-476, il. 2 pl. 10 p. of pl.
Notes:
[Semimonthly.]
Notes:
[Semimonthly.] * For Sale by Superintendent of Documents. Paper, 15c. single copy, $3.25 a yr.; foreign subscription, $4.75.
Notes:
CONTENTS.—No. 5. Experiments on transmission of potato viruses by vectors [with list of literature cited 1; by T. P. Dykstra and W. C. Whitaker.—Vertical migration, distribution, and survival of infective horse strongyle larvae developing in feces buried in different soils [with list of literature cited]; by John T. Lucker.—Effect of infestation with nematode Cooperia curticei on nutrition of lambs [with list of literature cited]; by John S. Andrews.—Method of determining root knot resistance in beans and cowpeas in seedling stage; by Keith C. Barrons.—Hood and supernumerary spike development in barley [with list or literature cited]; by O. T. Bonnett.—Influence of Japanese beetle instar on sex and population of parasite Tiphia popilliavora; by M. H. Brunson.—Micro-chemical studies of potato tubers affected with blue stem disease [with list of literature cited]; by L. M. Hill and C. R. Orton.—Comparison of vitamin D potency of stemmy and leafy portions of alfalfa hay [with list of literature cited]; by G. C. Wallis.—No. 6. Foliar diagnosis in relation to development and fertilizer treatment of potato [with list of literature cited]; by Walter Thomas and Warren B. Mack.—Observations on muskrat damage to corn and other crops in central Iowa; by Paul L. Errington.—Toxic and repellant properties of some inorganic and organic compounds and mixtures in grasshopper baits [with list of literature cited]; by Charles H. Richardson and Edwin J. Seiferle—Proteolytic activity in relation to blackening of potatoes after cooking [with list of literature cited]; by A. Frank Ross and W. E. Tottingham.—Morphology of digestive tract of blackfly (Simulium nigropalvum) [with list of literature cited]; by James A. Cox.—Seasonal variations in carbohydrate and nitrogen content of roots of bearing pecan trees [with list of literature cited]; by C. L. Smith and J. G. Waugh.—Applicability of nutrient-solution purification to study of trace-element requirements of rhizobium and Azotobacter [with list of literature cited]; by Robert A. Steinberg.
NOTE.—This publication is issued by authority of the Secretary of Agriculture, with the cooperation of the Association of Land-Grant Colleges and Universities. It is distributed free only to libraries of agricultural colleges and experiment stations, to large universities, technical schools, and to such institutions as make suitable exchanges with the Agriculture Department. Others desiring the Journal may obtain it from the Superintendent of Documents, Washington, D. C., at the prices stated above.
Availability:
* For Sale by Superintendent of Documents. Paper, 15c. single copy, $3.25 a yr.; foreign subscription, $4.75.