om.ciheam.org/om/pdf/c18/96605757.pdfTraduzir esta página
spectrophotometry; exchangeable acidity by extraction with a 1 M solution ... Exchangeable acidity was only determined in the samples with pH in water 5 5.4 (6 .... Effects of potassium, magnesium and sodium fertilizers and lime on the yield and ... Gama, M.V., ... phosphate in natural waters. ... Rivista di Agronomia, 14.
Sem comentários:
Enviar um comentário