Resources Tagged: Crops

16 items found (Showing 1 - 10)

  1. More on Maize in Africa

    2007-01-20 One should only be critical of the decisions which have been made voluntarily by millions of smallholder farmers when one has the fullest understanding of all the reasons which led to their making a change in their cropping, and particularly their staple food.
    Maize Crops Grains West Africa East Africa

  2. Tropical High-Altitude Growing Conditions

    1996-04-19 A discussion of the unique factors in growing food at high altitudes in the tropics.
    High Altitude Crops

  3. Experiments in Crop Science

    1990-01-01 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.
    Plant Science Crops plants Experiment Resources Crop Science

  4. Growing Diversity: Genetic Resources and Local Food Security

    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.
    Developing countries Germplasm Resources Crops Food Crops

  5. Hybridization of Crop Plants

    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...
    Crop Plants Crops Plant Hybridization Pollination Plant Breeding

  6. Plant science; an introduction to world crops

    This text was written to give attention to the scientific, technological, and economic foundations of world crop production. The sciences dealing with plants and the technology and economics of crop production and marketing have become irrevocably entwined. This text was planned for use primarily...
    plants agriculture Cultivated Crops

  7. Seeds for Our Future: The U.S. National Plant Germplasm System

    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...
    plants Crops Germplasm Resources National Plant Ger...

  8. Tissue Culture Techniques for Horticultural Crops

    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,...
    Crops Horticulture Propagation Plant Propagation Plant tissue culture

  9. Crop Diversity at Risk: The Case for Sustaining Crop Collections

    The great diversity within agricultural crop plants provides the basis upon which farming improvements depend. This diversity is the source of traits to improve yield and quality, resist disease and adapt to climate change. The problem is threefold: decreasing diversity in farmers' fields; the...
    crop diversification Crops Germplasm Resources Germplasm Resource...

  10. Modeling Plant and Soil Systems

    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.
    Soil Soil Surveys Crops Crops & Soils Computer Stimulation