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  1. 2019-10-01 Introduction to Soil Structure and Health Acidic Soils of the Tropics Testing and Replenishing your Soils Soil Texturing Flowchart  
  2. 2020-01-01 ECHO ResearchNotes are topic-specificpublications about crops and agricultural practicesimportant to those working in the tropics and subtropics. Our material is authored by ECHO staff (past and present) as well as outside writers, all with experience and knowledge of their subject. These...
     

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