Electric heating of honey bee hives

Prepared in cooperation with Wisconsin Agricultural Experiment Station.

Reduction in the plant uptake of Sr-90 by soil management treatments

Bibliography: p. 29-30.

The leafhopper vectors of phytopathogenic viruses (Homoptera, Cicadellidae); taxonomy, biology, and virus transmission,

Bibliography: p. 318-368.

Biological control of the Japanese beetle

Bibliography: p. 70-78.

The nature, ecology, and control of Canada thistle

Bibliography: p. 31-32.

Population models to appraise the limitations and potentialities of Trichogramma in managing host insect populations

Includes bibliographical references.

Estimating evapotranspiration in a humid region

Prepared in cooperation with Ohio Agricultural Research and Development Center.

Water intake on midcontinental rangelands as influenced by soil and plant cover

Bibliography: p. 41-42.

Physiologic races of Puccinia recondita f. sp. tritici in the United States from 1926 through 1960

Bibliography: p. 18.

Performance of small hammer and roller mills for grinding livestock feed

Mode of access: Internet.

Response of ironweed and buckbrush to herbicides and to herbicides in combination with mowing, nitrogen fertilizer, and surfactants

Cooperating agency: Missouri Agricultural Experiment Station.

Pasture productivity of crested wheatgrass as influenced by nitrogen fertilization and alfalfa

Prepared in cooperation with Dept. of Animal Science, North Dakota Agricultural Experiment Station.

Cantaloup breeding; correlations among fruit characters under mass selection

Bibliography: p. 20-21.

Effects of age, plant spacing, and other variables on growth, yield, and fiber quality of kenaf, Hibiscus cannabinus L.

Bibliography: p. 19.

Cooperative muskmelon breeding program in Texas, 1955-67: new rating scales and index selection facilitate development of disease-resistant cultivars adapted to different geographical areas

Bibliography: p. 24-25.