Lime sludge from a water treatment plant dries along the edge of a farm field where it was laid for use in treating the field's ability to grow a variety of crops from corn and soybeans to wheat..

• agriculture
• agronomy
• crops
• crop
• oilseeds
• soybean oil
• corn oil
• forage
• grass
• grasses
• tall fescue
• grain
• grains
• corn
• maize
• soybean
• glycine
• wheat
• vegetable crops
• sweet corn
• environment
• ecology
• ecosystem
• environmentalism
• waste disposal
• recycling
• sludge
• water
• treatment
• acidity
• alkaline

© Copyright 2012, Gary Gardiner - www.garygardiner.com
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