Patriquin, David G.Blaikie, H.Patriquin, M.J.Yang, C.2011-01-202011-01-201993Patriquin, D.G., Blaikie, H., Patriquin, M.J., & Yang, C. 1993. On-farm measurements of pH, electrical conductivity and nitrate in soil extracts for monitoring coupling and decoupling of nutrient cycles. Biological Agriculture and Horticulture 9: 231-272.http://hdl.handle.net/10222/13189enOrganic farmingSoilNitrateElectrical conductivitypHAcidificationNitrogen cyclingProton cyclingCalcium lossComparison of conventional and organicManureGreen manureCompostVegetableSugarcanePotatoesCerealsOn-farm measurements of pH, electrical conductivity and nitrate in soil extracts for monitoring coupling and decoupling of nutrient cyclesArticle