Adubação orgânica da batata com esterco e, ou, Crotalaria juncea: I - produtividade vegetal e estoque de nutrientes no solo em longo prazo Organic fertilization of potato with manu...

by Tácio Oliveira da Silva, Rômulo Simões Cezar Menezes, Holm Tiessen, Everardo Valadares de Sá Barreto Sampaio, Ignácio Hernan Salcedo, Luciano Marcal da Silveira
Published 2007-02-01

The Contributions of Regional Knowledge Networks Researching Environmental Changes in Latin America and Africa: a Synthesis of what they can do and why they can be policy relevant

by Myanna Lahsen, Mercedes M. C. Bustamante, Robert Swap, Elizabeth McNie, Jean P. H. B. Ometto, Tatiana Schor, Holm Tiessen, Sandy Andelman, Harold Annegarn
Published 2013-09-01