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production. The rich, dark soil is quite productive, and a system of drainage ditches was established early ...
ditches through wind dispersal. Since 2005, we have been investigating the risk potential for exposure ... agricultural streams (or ditches) that have not been exposed to Bt crops, and then introduce Bt and non-Bt corn ...
Year Award for his two-stage ditch design, which has benefits for both agriculture and the environment. ... OARDC scientists. The new design has a small main channel at the bottom of the ditch-- stage one-- and ...