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Simulated Aspen Understory Microclimate Effects on Alfalfa Growth

^a British Columbia Agroforestry Industry Dev. Initiative, c/o P.O. Box 4261, Quesnel, BC, Canada V2J 3J3
^b Dep. of Agricultural, Food, and Nutritional Science, 4-10 Ag/For Centre, Univ. of Alberta, Edmonton, AB, Canada, T6G 2P5

View larger version (26K): [in a new window]   Fig. 1. The effects of contrasting high and low photosynthetically active radiation (PAR) and relative humidity (RH) on alfalfa (Medicago sativa L.) height, leaf number, and total stem number. Vertical lines indicate the standard error.

View larger version (22K): [in a new window]   Fig. 2. The effects of contrasting high and low photosynthetically active radiation (PAR) and relative humidity (RH) on relative height growth of alfalfa (Medicago sativa L.). Vertical lines indicate the standard error. Main effect of PAR was significant at p < 0.01.