Assertion: cowpea | /r/HasProperty | sown in mature pecan orchard
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Source sentences:
text: In a study by Bugg and Dutcher (1989), "combine" or "reseeding" cowpea sown in early July in a mature pecan orchard (which included bahia and bermuda grasses in the understory) apparently conferred more rapid vegetational cover and better reduction of weed cover than did other warm-season legumes (lespedeza, American jointvetch, sesbania, or alyceclover).