Soil and Environmental Analysis: Physical Methods - Chapter 12 pps

... 1969; Soileau et al., 1974; Free- man and Smart, 1976; Karnok and Kucharski, 1982). The most recent are at Pell- ston, Michigan, U.S.A. (Fogel and Lussenhop, 1991) and Bangor, Wales (Sack- ville-Hamilton ... soil depths, can be prepared in the same way. Unlike pinboard and soil coring methods, this technique can be used on stony soils. The method is, however, labor-intensive a...

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... 1981a: NF-X-1 1-6 83; 1981b: NF-X-1 1-6 30; 1982: NF-X-1 1-6 42; 1983a: NF-X-1 1-6 85; 1983b: NF-X-1 1-6 93; 1983c: NF-X-3 1-1 07; 1984: NF-X-1 1-6 82; 1990: NF-X-1 1-6 61; 1992: NF-X-1 1-6 67; 1997a: NF-X-1 1- 671; ... Dhadwal, H. S., and Dyott, R. B. 1978. The determination of the mean and 312 Loveland and Whalley Copyright © 2000 Marcel Dekker, Inc. Carter, M. R...

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... measuring soil moisture tension. Soil Sci. 68:95– 112. Richards, L. A., and G. Ogata. 1958. Thermocouple for vapor-pressure measurement in biological and soil systems at high humidity. Science 128 : ... soil water potential. Soil Sci. Soc. Am. J. 46:900 –904. Campbell, G. S., and W. H. Gardner. 1971. Psychrometric measurement of soil water po- tential: Temperature and bu...

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... field capacity. S. Afr. J. Plant Soil 1 : 126 –131. Beven, K. 1981. Micro-, meso-, macroporosity and channeling flow phenomena in soils. Soil Sci. Soc. Am. J. 45 :124 5. Bird, N. R. A. 1997. Comments ... land use problems. Soil Use Manage- ment 2 : 125 –130. Bouyoucos, G. J. 1929. A new, simple and rapid method for determining the moisture equivalent of soils, and the role of soi...

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... Bureau of Standards. Amoozegar, A., and Warrick, A. W. 1986. Hydraulic conductivity of saturated soils: field methods. In: Methods of Soil Analysis. Part 1. Physical and Mineralogical Methods (A. ... Soils 143 Table 1 Hydraulic Conductivity Values of Saturated Soils Soil Hydraulic conductivity (mm d Ϫ 1 ) Fine-textured soils Ͻ 10 Soils with well-defined structure 10 –1000 Coarse-...

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... Equipment 5. Standard for soil laboratory 4. General-purpose, off-the-shelf 3. Easily made in average machine shop 2. Special-purpose, off-the-shelf 1. Special-purpose, custom-made I. Operator ... seal the soil col- umn for unsaturated measurements) and protects the soil column in the field and during transport to a laboratory. Somewhat more disturbed soil columns from en- tire so...

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... heavy clay soils: I. J. Agr. Sci. 26: 114 127 . Childs, E. C. 1967. Soil moisture theory. Adv. Hydrosci. 4 : 73 –117. Childs, E. C., and Collis-George, N. 1948. Soil geometry and soil- water equilibria, ... USDA-SEA-AR, ARM-W-10/July 1979, pp. 85–90. Amerman, C. R., et al. 1979. Proceedings of the Rainfall Simulator Workshop, Tucson, Arizona, March 7–9, 1979. Sidney, Montana: USDA-SE...

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... undisturbed soil cores by gamma-ray attenuation. New Zealand Soil Bureau, Report 67. Sharratt, B. S. 1996. Tillage and straw management for modifying physical- properties of a sub-arctic soil. Soil Till. ... direct and indirect methods are detailed. Direct methods discussed in- clude the core sampling, rubber balloon, sand replacement, and clod methods. Indirect methods...

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... carboniferous clay soils in north cen- tral Ireland and their significance. Ir. J. Agric. Res. 15 :129 –135. Nagaraj, T. S., and M. S. Jayadeva. 1981. Re-examination of one-point methods of liquid limit ... strength and liquidity index and also be- tween compression index and plasticity index (Wroth and Wood, 1978). C. Other Methods Several workers have devised methods of mea...

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... 1980. A new hand-held recording penetrometer for soil studies. J. Soil Sci. 31 : 279–296. Ball, B. C., and M. F. O’Sullivan. 1982. Soil strength and crop emergence in direct drilled and ploughed ... Reference Remolded sandy loam 1 Parabolic probe 1 4 – 8 12 Eavis (1967) Remolded sandy loam 3 30 0.17 4.5– 6 2 Stolzy and Barley (1968) Sandy loam, remolded cores and un- disturb...

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