You've undoubtedly seen estimates about the crop yields of various plants for use as biofuels. (treehugger.com)
To keep your landscaping looking fresh and dynamic, mix in various plants with an eye - catching tree to maintain an interesting, textured look. (diynetwork.com)
Omega - 3 fatty acids can be obtained from various plant sources including flaxseed, oatmeal, pumpkin seeds, walnuts, and certain vegetables. (pawster.com)