References
- Fritschen , L.J. and Gay , L.W. 1979 . Environmental Instrumentation , 216 New York : Springer‐Verlag .
- Miller , M.H. , Mitchell , W.A. , Stypa , M. and Barry , D.A. 1987 . Effects of nutrient availability and subsoil bulk density on corn yield and nutrient absorption . Can. J. Soil Sci. , 67 : 281 – 292 .
- 1987 . Omega Temperature Measurement Handbook and Encyclopedia , Omega Engineering, Inc. .
- Tanner , C.B. 1963 . “ Basic instrumentation and measurements for plant environment and micro‐meteorology ” . In Soils Bulletin 6 , Madison, Wisconsin : Dept. of Soil Science. University of Wisconsin .
- Taylor , S.A. and Jackson , R.D. 1986 . “ Temperature ” . In Methods of Soil Analysis, Part I: Physical and Mineralogical Methods , 2nd ed. , Agronomy Monograph #9 Edited by: Klute , A. 927 – 940 . Madison, WI : Amer. Soc. Agron. .