ange from 15 to 40 mol·m −2 ·d −1 compared with 25 to 60 mol·m −2 ·d −1 in the southwestern United States ( Korczynski et al., 2002 ). Mechanical impedance of light by glazing materials and greenhouse support structures reduces transmission of
nature of the mechanical impedance to seedlings by soil surface seals Austral. J. Soil Res. 3 45 54 Bernard, R. 2005 Garden-type vegetable soybean varieties. Illinois Agricultural Experiment Station, Urbana, IL Burris, J.S. Edje, O.T. Wahab, A.H. 1973
Effects of four compaction remediation methods for landscape trees on soil aeration, mechanical impedance, and tree establishment J. Environ. Hort. 13 64 71 Dirr, M.A. 1998 Manual of woody landscape plants 5th ed Stipes Publishing Champaign, IL Fonteno, W