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  1. The objective of this publication is to summarize results of field research carried out in Brazil, Peru, Puerto Rico, Colombia, and Ghana as it relates to potassium fertilization on Ultisols and Oxisols.
  2. The object of the book was to draw attention to the loss of soil fertility, brought about by the vast increase in crop and animal production, that has led to such disastrous consequences as a general unbalancing of farming practices, an increase in plant and animal diseases and the loss of soil...
  3. If you?re an agronomist, horticulturalist, plant and soil scientist, breeder, or soil microbiologist, you?ll want to read Nutrient Use in Crop Production to find everything you need to know about judicious nutrient management and maximizing nutrient utilization in the agricultural landscape. In...
  4. 1978-01-01 This publication discusses the different kinds of soils and how to improve and care for it.
  5. 2015-03-27 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...
  6. 1997-12-01 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...
  7. 1998-01-02 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.
  8. 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.
  9. Key Resource 2019-05-21 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...
  10. 2012-01-01 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...