Download or read book Dwarf Mistletoe Does Not Increase Truck Taper in Released Red Firs in California written by Robert F. Scharpf and published by . This book was released on 1977 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dwarf mistletoe had no noticeable effect on trunk taper of young, dominant and codominant red firs 4 to 22 inches (10.2 to 55.9 cm) d.b.h. Also, taper was not influenced by live crown ratio of infected and uninfected trees. Trees less than 7 inches d.b.h. had significantly more taper than larger trees, irrespective of dwarf mistletoe.

Download or read book Dwarf Mistletoe Does Not Increase Trunk Taper in Released Red Firs in California written by and published by . This book was released on 19?? with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Dwarf Mistletoe Does Not Increase Trunk Taper in Released Red Firs written by Robert F. Scharpf and published by . This book was released on 1977 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1979 with total page 1066 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Monthly Catalogue United States Public Documents written by and published by . This book was released on 1979 with total page 1396 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1968 with total page 1122 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Dwarf Mistletoe on Red Fir written by Robert F. Scharpf and published by . This book was released on 1969 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Dwarf Mistletoe in Red and White Firs in Calif written by and published by . This book was released on 19?? with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Population Buildup and Vertical Spread of Dwarf Mistletoe on Young Red and White Firs in California written by Robert F. Scharpf and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Dwarf Mistletoe infected Red Fir written by Robert F. Scharpf and published by . This book was released on 1979 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Bibliography of Agriculture written by and published by . This book was released on 1978 with total page 1232 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Bibliography of Agriculture with Subject Index written by and published by . This book was released on 1978 with total page 1236 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Dwarf Mistletoe infected Fir written by Robert F. Scharpf and published by . This book was released on 1979 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: Release cutting, live crown ratio, diameter-at-breast height, and dwarf mistletoe (Arceuthobium abietinum f. sp. magnifica) acted to affect radial and height growth of red firs (Abies magnifica A. Murr.). Infected and noninfected red firs responded well to release as expressed by increased radial growth: growth rate doubled within 10 years after release. Live crown ratio also had a marked effect on radial growth rate. Irrespective of the level of dwarf mistletoe, trees with good live crown ratios showed significantly greater rates of radial growth than did trees with poor live crown ratios. Dwarf mistletoe reduced growth but, in general, growth was reduced significantly only at the medium-to-high levels of infection. Eleight growth in released trees was influenced most by live crown ratio and, to a lesser extent, by dwarf mistletoe and tree diameter. In managing red fir stands by release cutting, trees with good live crown ratios, preferably the larger ones, should be left in the stand, regardless of the level of dwarf mistletoe infection.

Download or read book American Forest Trees written by Henry H. Gibson and published by . This book was released on 1913 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Sprouting Valley written by James R. Welch and published by Society of Ethnobiology. This book was released on 2013-05-10 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the mid-nineteenth century the indigenous Potter Valley Pomo resided in large sedentary villages in Potter Valley, California, and travelled seasonally throughout an extensive territory in what are now Mendocino and Lake Counties. Beginning in 1890 what would become nearly a half century of ethnographic research among members of this community, homeopathic doctor and amateur anthropologist John W. Hudson witnessed the aftermath of their dislocation and dispersal from the valley following the arrival of non-indigenous settlers. Although never published, his fieldnotes contained an unparalleled dataset on plant use by a single local indigenous community in California. In this richly illustrated monograph the author presents and interprets this historical ethnobotanical information in order to provide new insights into Potter Valley Pomo society and its relationship to the Northern California landscape.

Download or read book Insect Pollination of Cultivated Crop Plants written by Samuel Emmett McGregor and published by . This book was released on 1976 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Introduction to Plant Diseases written by George B. Lucas and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: Every year we see a remarkable increase in scientific knowledge. We are learning more each day about the world around us, about the numerous biological organisms of the biosphere, about the physical and chemical processes that shaped and continue to change our planet. The cataloging, retrieval, dissemination, and use of this new information along with the continued development of new computer technology provide some of the most challenging problems in science as we enter the Information Age. With the explosion of knowledge in science, it is especially important that students in introductory courses learn not only the basic material of a subject, but also about the newest developments in that subject. With this goal in mind, we have prepared a second edition of Introduction to Plant Diseases: Identification and Management. We prepared this edition with the same general purpose that we had for the first edition - to provide practical, up-to-date information that helps in the successful management of diseases on food, fiber, and landscape plants for students who do not have a strong background in the biological sciences. We included new information on (1) the precise identification of diseases and the pathogens that cause them, (2) the development of epidemics of plant diseases, (3) the application of biotechnology in plant pathology, (4) the use of alternative methods of crop production and disease management that help protect the environment, and (5) diseases that have become more important since the first edition was published.