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Methods Manual for Forest Soil and Plant Analysis
Y. P. KalraD. G. MaynardNorthern Forestry Centre (Canada)
出版Forestry Canada, Northwest Region, Northern Forestry Centre, 1991
ISBN06621866569780662186656
URLhttp://books.google.com.hk/books?id=p1vjfIKvPjwC&hl=&source=gbs_api
註釋General principles. Laboratory safety. Quality assurance of analyticaldata. Analytical techniques. Atomic absorption spectrophotometry. Coutinuous flow analysis. Ion chromatography. Inductively coupled plasma-atomic emission spectroscopy. Soil analysis. Preparation. Moisture. Moisture content. Moisture retention curve at 0-1500 kPa pressure. Organic matter and organic carbon. Direct estimation of organic matter by loss on ignition. Organic carbon by wet digestion. pH in water or CaCl2.pH of saturated paste. pH of soil-to-solution ratio of 1:2 using CaCl2solution or H2O as the suspension medium. pH of field-moist organic samples. Electrical conductivity and soluble salts. Saturation extract method for EC. 1:2 soil-to-water extraction method for EC. 1:5 soil-to-water extraction mehtod for EC. Soluble individual lons. Particle-sizeanalysis. Bouyoucos hydrometer mehtod. Pipet method. Carbonates: Calcite and dolomite. Nitrogen. Total nitrogen. Extraction of NH4-N and NO3-N with 2 M KCI. Determination of NH4-N in 2 M KCI extracts by autoanalyzer. Determination of NO3-N in 2 M KCI extracts by autoanalizer. Extraction of NO3-N with 0.01 M CuSO4 and manual determination colorometrically. Mixed acid digestion for total elements in soils. Easily extractable phosphorus. Bray 1 procedure. Olsen's mehtod. Sulfate and total extractable S. Organic soils. Mineral soils. Cation exchange capacity and exchangeable cations. Manual leaching method using vacuum extraction. Automatic extraction procedure. Pyrophosphate extractable al and Fe. Plant anlysis. Preparation. Total nitrogen. Microwave digestion forCa, Mg, K, Na, Mn, Fe, Al, P, and S. Dry ashing for Ca, Mg, K, P, Cu, Na, Ni, Zn, Mn, Fe, ands Al. Chloride. Total P. Inorganic Sulfate-sulfur.