Derris Culture in Puerto Rico
| Author | : Rufus H. Moore |
| Publisher | : |
| Total Pages | : 804 |
| Release | : 1943 |
| Genre | : Derris elliptica |
| ISBN | : |
Derris Culture In Puerto Rico
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Lonchocarpus, Derris, and Pyrethrum Cultivation and Sources of Supply
| Author | : Edward Counselman Higbee |
| Publisher | : |
| Total Pages | : 694 |
| Release | : 1948 |
| Genre | : Agriculture |
| ISBN | : |
Interest in these plants, in addition to their effectiveness against numerous pests, is also because commercial pyrethrum and rotenone insecticides derived from these plants are also comparatively nontoxic to man and other warm-blooded animals. They may be used with safety in the household, for livestock dips and sprays, and on garden vegetables, fruits and canning crops.
Report of the Administrator of Agricultural Research
| Author | : United States. Agricultural Research Administration |
| Publisher | : |
| Total Pages | : 1412 |
| Release | : |
| Genre | : Agriculture |
| ISBN | : |
Report of the Director of the Office of Experiment Stations
| Author | : United States. Office of Experiment Stations |
| Publisher | : |
| Total Pages | : 128 |
| Release | : 1944 |
| Genre | : |
| ISBN | : |
Report of the Chief ...
| Author | : United States. Office of Experiment Stations |
| Publisher | : |
| Total Pages | : 252 |
| Release | : 1938 |
| Genre | : Agricultural experiment stations |
| ISBN | : |
Report of the Chief of the Office of Experiment Stations
| Author | : United States. Office of Experiment Stations |
| Publisher | : |
| Total Pages | : 308 |
| Release | : |
| Genre | : Agricultural experiment stations |
| ISBN | : |
Report of the Federal Experiment Station in Puerto Rico
| Author | : Federal Experiment Station in Puerto Rico |
| Publisher | : |
| Total Pages | : 738 |
| Release | : 1930 |
| Genre | : Agricultural experiment stations |
| ISBN | : |
United States Government Publications, a Monthly Catalog
| Author | : United States. Superintendent of Documents |
| Publisher | : |
| Total Pages | : 1714 |
| Release | : 1943 |
| Genre | : Government publications |
| ISBN | : |
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.
