-
1993-06-15 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...
-
关键资源 2001-01-01 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...
-
关键资源 1975-01-01 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...
-
2016-10-15 Diagnosing Crop Nutrient Deficiencies in the Field A Primer of Coffee Harvesting and Processing Book Review: Perennial Vegetable Gardening
-
2010-07-20 Alkalinity of Urine. Urine in storage can reach a pH of 9.0. HIV/AIDS. A person reading a draft of the urine article asked whether HIV/AIDS would be a concern with the use of urine as a fertilizer. Controlling the Odor of Urine. Dr. Arnat Tancho recommends mixing a small amount of microbial...
-
2010-07-20 One high quality and universally available source of all the major macronutrients (nitrogen, phosphorus and potassium) is human urine. Using human urine as fertilizer is not unprecedented, but for various reasons in most countries it is not commonly considered as an option, especially for growing...
-
2002-01-20 The conventional view of the relationship between soil nutrients and crop productivity in the tropics is leading to both damaging agricultural policies and inefficient and damaging farm-level practices. There is no need to use the huge quantities of chemical fertilizers that are so often...
-
2017-04-12 Dr. Brian Hilton researched and promoted biofortified crops for over 20 years. Brian worked as part of a team testing the first orange sweet potato varieties in Mozambique in 2002. He has 25 years of experience working with farmers in Indonesia, Chad and Mozambique. Brian now works with World...
- 这也有其他语言版本:
- English (en)
- Español (es)
- Français (fr)
-
FAO - An expanding world population and the urgency of eradicating hunger and malnutrition call for determined policies and effective actions to ensure sustainable growth in agricultural productivity and production. Assured access to nutritionally adequate and safe food is essential for...
-
Including Agribiological Research 85 Years of Excellence. With its focus on soil-plant interactions, the Journal of Plant Nutrition and Soil Science is one of the leading journals on this topic. It publishes reviews, high-standard original papers, and short communications covering the entire...