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Tillage and Rotation Effects on Soil Physical Characteristics

Dep. of Crop and Soil Sci., Cornell Univ., Ithaca, NY 14853

View larger version (29K): [in a new window]   Fig. 1. Weekly precipitation and growing degree days (30–10°C system) at Aurora, NY, in 1997.

View larger version (18K): [in a new window]   Fig. 2. Air-filled porosity at different soil water potential values placed on a log scale of three tillage systems at the sixth leaf stage (V6) of corn growth. Vertical bars indicate the LSD (0.05) values for tillage systems.

View larger version (19K): [in a new window]   Fig. 3. Air-filled porosity at different soil water potential values placed on a log scale of two row positions at the sixth leaf stage (V6) of corn growth. Vertical bars indicate the LSD (0.05) values for row position.