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Articles 1 - 4 of 4
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Genetic Studies Of Winter Hardiness In Barley, C. R. Rohde, C. F. Pulham
Genetic Studies Of Winter Hardiness In Barley, C. R. Rohde, C. F. Pulham
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
An important obstacle toward the development of winter barley varieties with a higher level of winter hardiness has been the deficiency of genetic information on this character. The primary objective of these studies was to obtain information on the genetics of the winter hardiness of a group of 18 winter barley varieties which originated from widely different geographic areas of the world. It was hoped that this information might be helpful in determining whether or not it would be possible for barley breeders to combine different genetic sources of winter hardiness and attain a higher level of hardiness than presently …
Mycorrhizae Of Ponderosa Pine In Nebraska Grassland Soils, R. W. Goss
Mycorrhizae Of Ponderosa Pine In Nebraska Grassland Soils, R. W. Goss
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
While the genus Pinus has been the subject of extensive mycorrhizal studies there are only a few scattered references to western yellow pine, P. ponderosa, and no detailed descriptive literature on the mycorrhizae of this species. P. ponderosa is indigenous to Nebraska and the one species most extensively grown in local nurseries for windbreaks and farm plantings. Similarly, there is little information on mycorrhizae in the Great Plains between the forested regions of the Mississippi River states and the Rocky Mountains. Because this predominantly grassland area is sparse in natural tree growth the individual tree as an ornamental or …
The Significance Of Xenia Effects On The Kernel Weight Of Corn, T. A. Kiesselbach
The Significance Of Xenia Effects On The Kernel Weight Of Corn, T. A. Kiesselbach
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
The purpose of this paper is to appraise the xenia effects of the pollen parent on the kernel weight of corn (Zea mays L.), and to interpret so far as possible their genetic, physiologic and applied significance. The conclusions will be based on local experiments and a review of the literature.
Yields In Different Cropping Systems And Fertilizer Tests Under Stubble Mulching And Plowing In Eastern Nebraska, F. L. Duley
Yields In Different Cropping Systems And Fertilizer Tests Under Stubble Mulching And Plowing In Eastern Nebraska, F. L. Duley
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
The material in this report will be confined chiefly to studies on crop production with stubble-mulching compared with plowing. Major cash crops have been studied in different rotations including legumes and non-legume crops. In all tests, plowing has been compared with subsurface tillage. Different types of equipment have been devised and tested for the various operations during the course of these studies.