1. 27-03-2015 All the secrets to rich, sustainable soil are revealed to you. You'll be amazed how easy it is to improve your garden or yard when you begin at ground level. Even experienced gardeners can be intimidated by soil. It isn't just soil-testing data and all the big words, like vermicomposting and...
  2. 01-12-1997 Agroforestry refers to land use systems in which trees or shrubs are grown in association with agricultural crops, or pastures and livestock. From its inception, it has contained a strong element of soil management. Well-designed and managed agroforestry systems have the potential to control...
  3. 02-01-1998 Learn all the secrets for creating fertile, productive soil anywhere.With more than 300 detailed illustrations and at-a-glance charts,Secrets to Great Soilsolves all your soil problems and gives you techniques for year-round soil building.
  4. This book contains information on plant nutrition starting with the basics, to major elements, to micronutrients, plant analysis, ending with tissue testing. It also includes appendixies from definitions, to elemental requirements to Nitrogen contents.
  5. Tài Nguyên Chính
    21-05-2019 Now available through Amazon as well as the ECHO Bookstore Smallholder farmers around the world face some of the harshest growing conditions globally, yet they produce the majority of the world’s food. Soils in these areas often lack nutrient and water holding capacities, due to erosion or poor...
  6. 01-01-2012 Strong gradients of decreasing soil fertility are found in many regions of the world. Millions of smallholders are now facing this serious crisis which causes them lower crop yields, and many of these families also suffer from food insecurity. With the aim of promoting recovering soil fertility...
  7. Tài Nguyên Chính 15-03-1994 This volume is the revised English translation of the German title, "Bodenfruchtbarkeit und Standortgerechte Landwirtschaft". It presents a range of practices conducive to sustainable agricultures, and is of particular importance for the development of smallholdings in the tropics. These include...
  8. 15-06-1993 Amazon.com Description This book discusses the role of essential nutrients in relation to nearly two dozen crops. Use the book's 307 color photographs to diagnose disorders in the field. The accompanying text explains symptoms in detail, with information provided by 31 crop experts. Covers the...
  9. Tài Nguyên Chính 01-01-2001 Food security in West Africa is challenged by complex issues, including rapid population growth, exploitation of nonrenewable resources, and chronic low soil fertility, but in this text experts from world agricultural institutions share their work to provide solutions. Topics covered include soil...
  10. Tài Nguyên Chính 01-01-1975 In 1975, Let it Rot! helped start the composting movement and taught gardeners everywhere how to recycle waste to create soil-nourishing compost. Contains advice for starting and maintaining a composting system, building bins, and using compost. Third Edition. Stop bagging leaves, grass, and...