Sắp xếp: Liên quan | Mới nhất trước | Cũ nhất trước


1591 đề mục được tìm thấy (Hiển thị 31 - 40)
  1. Tài Nguyên Chính 20-01-2007 This book features both common and hard-to-find fruits, vegetables, herbs, spices and bamboo for Southwest Florida. It includes fruiting trees, shrubs, herbaceous plants, fruiting vines, brambles, tropical vegetables, herbs, spices, bamboo, tropical and subtropical fruit tree ripening chart,...
     
  2. Tài Nguyên Chính
    20-01-2009 All plants need certain mineral elements for proper growth, development, and maintenance. The basic structure of all organisms is built of carbon (C), oxygen (O) and hydrogen (H). Plants obtain these elements from water (H2O) in the soil and carbon dioxide (CO2) in the air, so no input is...  
  3. Tài Nguyên Chính
    20-05-2022 The current global situation calls for a multi-pronged approach to pest management. To be widely applicable, this approach must provide farmers with options to control pests at various scales of production (from small farms to very large operations) with a diversity of resources. Integrated pest...
     
  4. Tài Nguyên Chính
    05-02-2016 Until recently, firewood was taken for granted in northern Thailand. With vast forests full of many types of trees, upland households could afford to be choosy concerning the wood they used for cooking. However, in recent years, more and more communities are facing restricted access to forest...  
  5. Tài Nguyên Chính
    20-01-1992 In simplest language, agroforestry is the production of trees and of non-tree crops or animals on the same piece of land. The crops can be grown together at the same time, can be grown in rotation, or can even be grown in separate plots when materials from one are used to benefit another....  
  6. Tài Nguyên Chính
    01-08-2010 Worm or vermiculture is a useful technique for recycling kitchen and livestock wastes into a rich organic fertilizer, for producing high-protein feed for poultry and initiating a lucrative business selling worms and worm castings for the small farm. Worms are invaluable partners in building the...  
  7. Tài Nguyên Chính
    01-01-2011 Often farmers asked for seed, but we weren’t quite sure what to expect when we suggested—to the farmers’ union in Nampula, Mozambique—that they organize a fair in which the members could come together and exchange seed. They might only be interested in “improved” varieties. However, when we...  
  8. Tài Nguyên Chính
    01-06-2014 When you come across an especially promising local variety of a crop grown in your area, how can you enable other farmers to try out this variety? If a farmer gives you 30 seeds of an exceptional variety, how might you go about distributing these? How does seed flow happen in and among...  
  9. 01-10-2005 In Cassava Cyanide Diseases News (CCDN), Issue 4,December 2004, Dr. J. Howard Bradbury wrote about a method of processing cassava that could substantially reduce the cyanide content of flour.  
  10. Tài Nguyên Chính
    01-01-2014 In order to achieve high levels of agricultural productivity in the tropics at the lowest possible economic and ecological costs, we need to properly understand the relationship between nutrients in the soil and crop productivity. For this to happen, the current understanding needs to change. The...