1 كتب إلكترونية بواسطة E. Suess
G. Catroux & P. L’Hermite: Influence of Sewage Sludge Application on Physical and Biological Properties of Soils
The agricultural value of sewage sludges is well known and a lot of published data has demonstrated the positive effects of sludge appli- cations on plant growth and yield. These effects are probably …
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