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Soil Growing Media Management

Developed by Muhammad Marrush and Mark Bell - International Programs Office, UC Davis, Oct 2007 "Growing media management Growth media management involves 1) drainage and aeration, 2) fertility and soluble salts, 3) soil pests and 4) economics. 1. Drainage and aeration Issue: Water often accumulates at the base of a container because water cannot cross the soil/air interface at the bottom of the container until the weight of the water exceeds atmospheric air pressure at the interface. Such waterlogging can reduce root and plant growth. Solution: Reduce waterlogging problems (1) by increasing the depth of the soil in the container or (2) by adding media to increase the number of large pores and so reduce total water retention. "

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