Taylor, H.M. and G.F. Arkin (1981) Root zone
sources Research, 6: 16771686.
modification: Fundamentals and alternatives. In
Voorhees, W .B., R.R. Allmaras and C.E. Johnson
Modifying the Root Environment to Reduce Crop
(1981) Alleviating temperature stress. In: Modifying
Stress (G.F. Arkin and H.M. Taylor, Ed.). Ameri-
the Root Environment to Reduce Crop Stress (G.F. Ar-
can Society of Agricultural Engineers, St. Joseph,
kin and H.M. Taylor, Ed.). American Society of Ag-
Missouri, ASAE Monograph, p. 317.
ricultural Engineers, St. Joseph, Missouri, ASAE
Taylor, H.M. and G.S. Brar (1991) Effect of soil
Monograph, p. 217266.
compaction on root development. Soil and Tillage
Vos, J. and J. Groenwold (1986) Root growth of po-
Research, 19: 111119.
tato crops on a marine-clay soil. Plant Soil, 94: 17
Tennant, D. (1976) Root growth of wheat. I. Early
Welbank, P.J., M.J. Gibb, P.J. Taylor and E.D. Will-
roots including effects of levels of nitrogen, phos-
iams (1974) Root growth of cereal crops. Rotham-
phorus and potassium. Australian Journal of Agri-
sted Experimental Station Report for 1973, Part 2,
cultural Research, 27: 183196.
Tillotson, W.R. and R.J. Wagenet (1982) Simula-
Wierenga, P.J. and C.T. DeWit (1970) Simulation of
tion of fertilizer under cropped situations. Soil
heat flow in soils. Soil Science Society of America Pro-
Science, 133: 133143.
ceeding, 34: 845848.
Van Bavel, C.H.M. and D.I. Hillel (1976) Calculat-
Willatt, S.T. and H.M. Taylor (1978) Water uptake of
ing potential and actual evapotranspiration from
soybean roots as affected by their depth and soil
a bare soil surface by simulation of concurrent
water content. Journal of Agricultural Science, 90:
flow of water and heat. Agricultural Meteorology,
Willatt, S.T. and K.A. Olsson (1982) Root distribu-
Van den Honert, T.H. (1948) Water transport in
tion and root uptake by irrigated soybeans on a
plants as a catenary process. Discussion. Faraday
duplex soil. Australian Journal of Soil Research, 20:
Chemical Society, 3: 146153.
Yang, S.J. and E. de Jong (1971) Effect of soil water
van Noordwijk, M.J., J. Kooistra, F.R. Boone, B.W.
Veen and D. Schoonderbeek (1992) Root-soil con-
potential and bulk density on water uptake pat-
tact of maize as measured by a thin-section tech-
nique. I. Validity of the method. Plant Soil, 139:
plants. Canadian Journal of Soil Science, 51: 211220.
Yang, S.J. and E. de Jong (1972) Effect of aerial envi-
ronment and soil water potential on the transpira-
Vauclin, M., S.R. Vieira, R. Bernard and J.L. Hat-
field (1982) Spatial variability of surface tempera-
tion and energy status of water in wheat plants.
ture along two transacts of bare soil. Water Re-
Agronomy Journal, 61: 571578.