وسائل ٹیگ کردہ: Crops
16 items found (Showing 1 - 10) Next
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This book was written for those individuals who are concerned about the techniques and practices of plant cell cultures for horticultural crops. It was designed to serve as a text and reference for students and professionals in ornamental horticulture, fruit and vegetable crop pro duction,...
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This publication serves as a reference on the principles and procedures used to obtain hybrid seed of self and cross-pollination crop plants. For many crops, descriptions of these procedures are passed orally from experienced to inexperienced persons and are not available in the literature. This...
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07 جنوری 2000 These pictures and the articles in this newsletter reflect the great diversity of concepts, approaches and practices that still exist related to healing people, animals, plants and environments. Vitality and health have a dimension beyond the purely physical and biological level. In most...
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The National Plant Germplasm System is a network of organizations and people dedicated to preserving the genetic difersity of crop plants. The national system collects plant germplasm from all over the world. This publication explains how and why the system came into being and lists the location...
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01 جنوری 1958 A traveller's guide to some of the common trees, shrubs, vines and crop plants. 77 pgs, illustrations
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01 جنوری 1990 The purpose of this publication is to provide a series of crop science experiments for use in junior high or high school biology or science classes. The experiments are intended to help teachers relate basic plant biology via demostrations and labrotory experiments.
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The Crucible Group is a highly diverse gathering of individuals who strongly and respectfully disagree on intellectual property, the rights of farmers, the mechanisms for benefit-sharing, and the appropriate structures for conservation of seeds. More than 45 individuals from 25 countries took...
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Solution packs include practical suggestions on how to preserve the biodiversity of crop plants, and how to maintain and improve local crop plants. There are activities for primary and secondary students, and youth and adults.
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The chapters in this monograph have been written to provide examples of models of component processes necessary to simulate the dynamics of crop and soil systems. The information is intended to be useful to researchers, extension and other professional technologists, and teachers.
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Activists present their experiences of managing plant genetic resources. The contributors document the achievements of farmers in developing crop varieties tailored to their needs, and demonstrate how these approaches can be built upon.