Soil and Environmental Analysis: Physical Methods - Chapter 10 docx
Soil and Environmental Analysis: Physical Methods - Chapter 10 docx
... NetherlandsField penetrometer withdata logger, hand-held8800Leonard Farnell& Co. Ltd.North Mymms, Hatfield, Hert-fordshire AL9 7SR, UKSimple hand-held pene-trometer with dialgauge. 100 0Ametek ... Sci. Soc. Am. J. 46: 100 106 .Stolzy, L. H., and K. P. Barley. 1968. Mechanical resistance encountered by roots enteringcompact soils. Soil Sci. 105 :297– 310. Taylor, H. M., and L. F. Ratliff. ... between soil strength, bulk density and soil water pressure head of sandy top-layers of grass sportsfields. Z. Vegetationstech-nik 1:53 –58.Voorhees, W. B., D. A. Farrell, and W. E. Larson. 1975. Soil...
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Soil and Environmental Analysis: Physical Methods - Chapter 2 doc
... P. J., Y. K. Sud, and D. R. Neilsen. 1985. Spatial variability of field-measured soil- water characteristics. Soil Sci. Soc. Am. J. 49 : 107 5 108 2.Hagan, R. M., H. R. Haise, and T. W. Edminster, ... 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 bulk density effects. Soil ... ( 10 to Ϫ400 kPa) Ϯ 10% ,Gypsum block (Ϫ50 to Ϫ1500 kPa)50, 25 F, G, H, IHeat dissipationc( 10 kPa to 100 MPa)Ϯ 10% 200 ϩ 2,500 AEquitensiometerc(0 to 100 kPa) Ϯ 5 kPa 800 ϩ 500 B( 100 ...
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Soil and Environmental Analysis: Physical Methods - Chapter doc
... capacity fromsieved sample data. Soil Sci. 101 :104 107 .Zur, B. 1966. Osmotic control of the matric soil- water potential: I. Soil- water system. Soil Sci. 102 :394 –398.140 Townend et al.Copyright ... images of soil porosity for analysing soil compaction aroundroots. Soil Sci. Soc. Am. J. 60: 895 –901.Bruce, R. R., and Luxmoore, R. J. 1986. Water retention: Field methods. In: Methods of Soil ... land use problems. Soil Use Manage-ment 2 : 125–130.Bouyoucos, G. J. 1929. A new, simple and rapid method for determining the moistureequivalent of soils, and the role of soil colloids on this...
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Soil and Environmental Analysis: Physical Methods - Chapter 4 pot
... Soils 143Table 1 Hydraulic Conductivity Values of Saturated Soils Soil Hydraulic conductivity(mm dϪ1)Fine-textured soils Ͻ 10 Soils with well-defined structure 10 100 0Coarse-textured soils ... pits. Soil Sci.Soc. Am. J. 48: 10 –15.Bouma, J. 1977. Soil Survey and the Study of Water in Unsaturated Soil. Soil Survey Pa-pers, No. 13. Wageningen: Netherlands Soil Survey Institute, pp. 1 107 .Bouma, ... 9.2 9.6 10. 5 12.3 15.3 ϱ4 9.5 9.4 9.0 8.6 7.5 6.5 5.0 9.5 9.6 9.8 10. 6 12.4 15.4 ϱ1.0 20 10. 6 10. 4 10. 0 9.3 8.4 7.6 6.3 10. 6 11.0 11.6 12.8 14.9 19.0 ϱ16 10. 7 10. 5 10. 1 9.4 8.5 7.7 6.4 10. 7 11.0...
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Soil and Environmental Analysis: Physical Methods - Chapter 5 pot
... Veaux and Steele (1989) demonstrated the procedure using data for a Mana-watu sandy loam (Clothier and Scotter, 1982) and found F[u] ϭ u3 and G[t] ϭet, a ϭ 4.48 ϫ 10 Ϫ2 and b ϭϪ1.20 ϫ 10 Ϫ4. ... 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 soil profiles ... available, and the re-quired accuracy. For one-dimensional infiltration in a long soil column and forthree-dimensional infiltration in general, the infiltration rate after some time be-comes steady,...
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Soil and Environmental Analysis: Physical Methods - Chapter 6 pptx
... USDA-SEA-AR, ARM-W -1 0/ 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-SEA-AR, ARM-W -1 0/ July1979, ... air-entry and water-entry soil water pressure heads. Soil Sci. Soc. Am. J. 60: 103 6 103 9.Glover, R. E. 1953. Flow from a test-hole located above groundwater level, pp. 69 –71. In:Theory and ... 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,...
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Soil and Environmental Analysis: Physical Methods - Chapter 7 ppsx
... Inc.640; and subsequent documents: 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 61; 1992: NF-X-1 1-6 67; 1997a: NF-X-1 1- 671; 1997b: NF-X-1 1-6 36. Paris: AFNOR.Allen, T., Davies, R., and Scarlett, B., eds. 1996. Particle Size Measurement.(2vols.)London: Chapman and Hall.Anon. ... in soils. Barak et al. (1996) went further, and concludedthat fractal theory offers no useful description of sand particles in soils and hencedoubted the applicability of these methods to soils...
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Soil and Environmental Analysis: Physical Methods - Chapter 8 pot
... undisturbed soil cores bygamma-ray attenuation. New Zealand Soil Bureau, Report 67.Sharratt, B. S. 1996. Tillage and straw management for modifying physical- properties of asub-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 include both the backscatter and ... coastal lowlands of south-eastQueensland. Aust. J. Soil Res. 33: 11–18.Coppola, M., and P. Reiniger. 1974. Influence of the chemical composition on the gamma-ray attenuation by soils. Soil Sci....
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Soil and Environmental Analysis: Physical Methods - Chapter 9 doc
... 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 measuring liquid and plastic ... 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 liquidlimit ... topsoils using a drop-cone pene-trometer. J. Soil Sci. 26 :234–240.Campbell, D. J. 1976a. The occurrence and prediction of clods in potato ridges in relationto soil physical properties. J. Soil...
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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. Unlikepinboard and soil coring methods, this technique can be used on stony soils. Themethod is, however, labor-intensive and time-consuming, and ... to pack air-dried soil around the tube to get goodcontact between glass and soil. Observations were made of the effects of cultiva-tion on spring barley and oilseed rape.Sanders and Brown (1978)...
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