Agriculture Reference
In-Depth Information
Darwin, C.R. 1881.
The Formation of Vegetable Mould Through the Action of Worms with Observations on
Their Habits
, Murray, London.
Decans., T. 2000. Degradation dynamics of surface casts in grasslands of the eastern plains of Columbia,
Biol. Fertil. Soils
, 32:149Ï156.
Decans, T., J.H. Galvis, and E. Amzquita. 2001. Proprits des structures produites par les ingnieurs
cologiaues la surface du sol dÔune savanne Colombienne,
C.R. Acad. Sci. Paris Life Sci
.,
324:465Ï478.
Dexter, A.R., R. Horn, and W.D. Kemper. 1988. Two mechanisms for age-hardening of soils,
J. Soil Sci.
,
39:163Ï175.
Dexter, A.R., B. Kroesbergen, and H. Kuipers. 1984. Some mechanical properties of topsoils from the
Ijisselmeerpolders. I. Undisturbed soil aggregates,
Neth. J. Agric. Sci
., 32:205Ï214.
Dutt, A.K. 1948. Earthworms and soil aggregation,
J. Am. Soc. Agron.
, 40:407Ï410.
Edwards, C.A. and P.J. Bohlen. 1996.
Biology and Ecology of Earthworms
, Chapman & Hall, London.
Edwards, W.M., L.D. Norton, and C.E. Redmond. 1988a. Characterizing macropores that affect infiltration
into non-tilled soil,
Soil Sci. Soc. Am. J.
, 52:483Ï487.
Edwards, W.M., M.J. Shipitalo, W.A. Dick, and L.B. Owens. 1992a. Rainfall intensity affects transport of
water and chemicals through macropores in no-till soil,
Soil Sci. Soc. Am. J
., 56:52Ï58.
Edwards, W.M., M.J. Shipitalo, R. Lal, and L.B. Owens. 1997. Rapid changes in concentration of herbicides
in corn field surface depressions,
J. Soil Water Conserv.,
52:277Ï281.
Edwards, W.M., M.J. Shipitalo, and L.D. Norton. 1988b. Contribution of macroporosity to infiltration into a
continuous corn no-tilled watershed: implications for contaminant movement,
J. Contamin. Hydrol.,
3:193Ï205.
Edwards, W.M., M.J. Shipitalo, L.B. Owens, and W.A. Dick. 1993. Factors affecting preferential flow of water
and atrazine through earthworm burrows under continuous no-till corn,
J. Environ. Qual.
, 22:453Ï457.
Edwards, W.M., M.J. Shipitalo, L.B. Owens, and L.D. Norton. 1989. Water and nitrate movement in earthworm
burrows within long-term no-till cornfields,
J. Soil Water Conserv.
, 44:240Ï243.
Edwards, W.M., M.J. Shipitalo, L.B. Owens, and L.D. Norton. 1990. Effect of
Lumbricus terrestris
L. burrows
on hydrology of continuous no-till corn fields,
Geoderma
, 46:73Ï84.
Edwards, W.M., M.J. Shipitalo, S.J. Traina, C.A. Edwards, and L.B. Owens. 1992b. Role of
Lumbricus
terrestris
(L.) burrows on quality of infiltrating water
,
Soil Biol. Biochem
., 24:1555Ï1561.
Edwards, W.M., R.R. van der Ploeg, and W. Ehlers. 1979. A numerical study of the effects of noncapillary-
sized pores upon infiltration
,
Soil Sci. Soc. Am. J.
, 43:851Ï856.
Ehlers, W. 1975. Observation on earthworm channels and infiltration on tilled and untilled loess soil,
Soil Sci.
,
119:242Ï249.
Ela, S.D., S.C. Gupta, and W.J. Rawls. 1992. Macropore and surface seal interactions affecting water infiltration
into soil
,
Soil Sci. Soc. Am. J.
, 56:714Ï721.
Emerson, W.W., R.C. Foster, and J.M. Oades. 1986. Organo-mineral complexes in relation to soil aggregation
and soil structure, in P.M. Huang and M.J. Schnitzer, Eds.,
Interactions of Soil Minerals with Natural
Organics and Microbes
,
Soil Sci. Soc. Am.
, Madison, WI, pp. 521Ï550.
Farenhorst, A., E. Topp, B.T. Bowman, and A.D. Tomlin. 2000a. Earthworm burrowing and feeding activity
and the potential for atrazine transport by preferential flow
,
Soil Biol. Biochem
., 32:479Ï488.
Farenhorst, A., E. Topp, B.T. Bowman, and A.D. Tomlin. 2000b. Earthworms and the dissipation and distri-
bution of atrazine in the soil profile
,
Soil Biol. Biochem
., 32:23Ï33.
Flegel, M., S. Schrader, and H.Q. Zhang. 1998. Influence of food quality on the physical and chemical
properties of detritivorous earthworm casts,
Appl. Soil Ecol.
, 9:263Ï269.
Friend, J.J. and K.Y. Chan. 1995. Influence of cropping on the population of a native earthworm and consequent
effects on hydraulic properties of vertisols,
Aust. J. Soil Res.
, 33:995Ï1006.
Ganeshamurthy, A.N., K.M. Manjaiah, and A.S. Rao. 1998. Mobilization of nutrients in tropical soils through
worm casting: availability of macronutrients
,
Soil Biol. Biochem
., 30:1671Ï1676.
Garvin, M.H., F. Martinez, J.B. Jesus, M. Gutierrez, P. Ruiz, and D.J.D. Cosin. 2001. Effect of
Hormogaster
elisae
(Oligochaeta; Hormogastridae) on the stability of soil aggregates,
Eur. J. Soil Biol.
, 37:273Ï276.
Ge, F., W.D. Shuster, C.A. Edwards, R.W. Parmelee, and S. Subler. 2001. Water stability of earthworm casts
in manure- and inorganic-fertilizer amended agroecosystems influenced by age and depth,
Pedobio-
logia
, 45:12Ï26.