Weed Technology In Colorado
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| Author | : Robert L Zimdahl |
| Publisher | : Elsevier |
| Total Pages | : 220 |
| Release | : 2010-02-04 |
| Genre | : Science |
| ISBN | : 0123815029 |
It is important that scientists think about and know their history - where they came from, what they have accomplished, and how these may affect the future. Weed scientists, similar to scientists in many technological disciplines, have not sought historical reflection. The technological world asks for results and for progress. Achievement is important not, in general, the road that leads to achievement. What was new yesterday is routine today, and what is described as revolutionary today may be considered antiquated tomorrow. Weed science has been strongly influenced by technology developed by supporting industries, subsequently employed in research and, ultimately, used by farmers and crop growers. The science has focused on results and progress. Scientists have been--and the majority remain--problem solvers whose solutions have evolved as rapidly as have the new weed problems needing solutions. In a more formal sense, weed scientists have been adherents of the instrumental ideology of modern science. That is an analysis of their work, and their orientation reveals the strong emphasis on practical, useful knowledge; on know how. The opposite, and frequently complementary orientation, that has been missing from weed science is an emphasis on contemplative knowledge; that is, knowing why. This book expands on and analyzes how these orientations have affected weed science's development. - The first analytical history of weed science to be written - Compares the development of weed science, entomology and plant pathology - Identifies the primary founders of weed science and describes their role
| Author | : Robert Zimdahl |
| Publisher | : Academic Press |
| Total Pages | : 465 |
| Release | : 2012-12-02 |
| Genre | : Technology & Engineering |
| ISBN | : 0323149421 |
Fundamentals of Weed Science provides an introduction to the basic principles of weed science for undergraduate courses. It discusses several aspects of weed biology and control, and traces the history of herbicide development. The book begins with an introduction to weeds, covering their definition, characteristics, harmful aspects, and the cost of weed control. This is followed chapters on weed classification, the uses of weeds, weed biology, weed ecology, allelopathy, the significance of plant competition, weed management and control methods, and biological weed control. Later chapters deal with herbicidesthe most important weed control tools and the ones with the greatest potential for untoward effects. Students of weed science must understand herbicides and the factors governing their use as well as the potential for misuse. These chapters discuss chemical weed control, the properties and uses of herbicides, factors affecting herbicide performance, herbicide application, herbicide formulation, ecological impact of herbicides, pesticide registration and legislation, weed management systems, and the future of weed science.
| Author | : |
| Publisher | : |
| Total Pages | : 740 |
| Release | : 2004 |
| Genre | : Agriculture |
| ISBN | : |
| Author | : Josh D. Haupt |
| Publisher | : |
| Total Pages | : |
| Release | : 2015-10-01 |
| Genre | : |
| ISBN | : 9780996614511 |
Describes key components and processes required for optimizing product quality and yield per light in growing cannabis indoors
| Author | : Bruce Barcott |
| Publisher | : Time Home Entertainment |
| Total Pages | : 353 |
| Release | : 2015-04-07 |
| Genre | : Social Science |
| ISBN | : 1618936077 |
There is no other organization whose inner workings are more secretive than the Vatican - the spiritual and physical center - of the Catholic Church. Now, with a dynamic new leader in Pope Francis, all eyes are upon the church, as this immensely popular Pope seeks to bring the church back from the right to center, in what can almost be described as a populist stance, blurring the lines between politics, religion and culture. With topics including women, finance, scandal, and reform at the fore, never before have so many eyes been upon the church in what could be its defining moment for modern times. Now the most respected journalist covering the Vatican and the Catholic Church today, John L. Allen, reveals the inner workings of the Vatican to display the vast machinery, and the man at the helm in a way that no other writer can.The Boston Globe has stated that John L. Allen 'is basically the reporter that bishops and cardinals call to find out what's going on within the confines of the Vatican.'
| Author | : Robert Zimdahl |
| Publisher | : Burleigh Dodds Series in Agric |
| Total Pages | : 476 |
| Release | : 2017-12-14 |
| Genre | : Technology & Engineering |
| ISBN | : 9781786761644 |
Weeds remain a major obstacle to improved yields in agriculture. At the same time, established methods of control are being undermined by problems such as herbicide resistance. This major collection reviews key developments in integrated weed management (IWM) to manage weeds more sustainably.
| Author | : Joseph M. DiTomaso |
| Publisher | : UCANR Publications |
| Total Pages | : 979 |
| Release | : 2007 |
| Genre | : Technology & Engineering |
| ISBN | : 1879906694 |
This encyclopedic yet easy-to-use 2-volume set covers 262 individual entries, including a full description of 451 species and another 361 plants compared as similar species, representing 63 plant families. 13 shortcut identification tables for groups that share similar, unusual, or relatively uncommon characteristics. 2 grass identification keys - a key to all characteristics including inflorescences and reproductive parts and a key to vegetative characteristics only. 67 tables comparing important characteristics of difficult-to-distinguish weedy species. Color photos of over 700 weeds including seeds, seedlings, flowers, and mature plants. Appendix of non-native plants rarely or occasionally naturalized in California. Glossary of botanical terms. Bibliography of some of the most pertinent publications. Index to common names, scientific names, and synonyms. Each entry describes the plant category, family name, common name, and synonyms along with a summary of the important aspects of the plant’s life cycle, size, growth form, impact, method of introduction, and toxicity. You'll also find a description of the seedling, mature plant, roots and underground structures, flowers, fruits and seeds, spikelets and florets, spore-bearing structures, and post senescence characteristics for each entry. Also includes a description of the habitat where each is typically found and distribution in California, other states, and worldwide, along with maximum elevation at which the species is found. Rounding out each entry is a description of the methods of reproduction, seed dispersal, germination requirements and conditions, seed survival and longevity, early establishment characteristics and requirements, cultural practices and management options that have proven effective or ineffective in controlling infestations, and a notation of the species' inclusion on federal or state noxious weed lists.
| Author | : Louise E. Jackson |
| Publisher | : Academic Press |
| Total Pages | : 487 |
| Release | : 1997-09-14 |
| Genre | : Science |
| ISBN | : 0080530680 |
Agricultural crops are prominent features of an increasing number of variously perturbed ecosystems and the landscapes occupied by these ecosystems. Yet the ecology of agricultural-dominated landscapes is only now receiving the scientific attention it has long deserved. This attention has been stimulated by the realization that all agriculture must become sustainable year after year while leaving nearby ecosystems unaffected. Ecology in Agriculture focuses exclusively on the ecology of agricultural ecosystems. The book is divided into four major sections. An introduction establishes the unique ties between agricultural and ecological sciences. The second section describes the community ecology of these sorts of ecosystems, while the final section focuses on the processes that operate throughout these agricultural landscapes. - Contains an ecological perspective on agricultural production and resource utilization - Includes in-depth reviews of major issues in crop ecology by active researchers - Covers a range of topics in agricultural ecophysiology, community ecology, and ecosystems ecology - Provides examples of ecological approaches to solving problems in crop management and environmental quality
| Author | : Thomas James Muzik |
| Publisher | : McGraw-Hill Companies |
| Total Pages | : 298 |
| Release | : 1969 |
| Genre | : Gardening |
| ISBN | : |
| Author | : Kevin A. Sabet |
| Publisher | : Simon and Schuster |
| Total Pages | : 269 |
| Release | : 2021-04-20 |
| Genre | : Law |
| ISBN | : 1948677881 |
From the leading authority on marijuana—a man who has served as White House advisor on drugs to three different administrations and who NBC News once called “the prodigy of drug politics"—comes the remarkable and shocking exposé about how 21st century pot, today’s new and highly potent form of the drug, is on the rise, spreading rapidly across America by an industry intent on putting rising profits over public health. Smokescreen: What the Marijuana Industry Doesn't Want You to Know examines the inside story behind the headlines, containing accounts from Sabet’s time in the Obama administration to stunning revelations from whistleblowers speaking out for the first time. What it finds is how the marijuana industry is running rampant without proper oversight, leaving Americans’ health seriously at risk. Included are interviews with industry insiders who reveal the hidden dangers of a product they had once worshipped. Also contained in these pages are insights from a major underground-market dealer who admits that legalization is hastening the growth of the illicit drug trade. And more to the heart of the issue are the tragic stories of those who have suffered and died as a result of marijuana use, and in many cases, as a result of its mischaracterization. Readers will learn how power brokers worked behind the scenes to market marijuana as a miracle plant in order to help it gain widespread acceptance and to set the stage for the lucrative expansion of recreational pot. The author of this compelling first-person narrative leading the national fight against the legalization of cannabis through his nonprofit, Smart Approaches to Marijuana (aka SAM) is Kevin Sabet. As a policy advisor to everyone from county health commissioners to Pope Francis, and a frequent public speaker on television, radio and through other media outlets, his analysis is consistently relied upon by those who recognize what’s at stake as marijuana lobbyists downplay the risks of massive commercialization. A book several years in the making, filled with vivid characters and informed by hundreds of interviews and scores of confidential documents, Sabet's Smokescreen lays bare the unvarnished truth about marijuana in America.
