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Cover: Santa Gertrudis calves and cattle eating Opuntia engelmannii var. lindheimeri during a drought at the ranch of W.A. Maltsberger, Cotulla, Texas. The spine were singed off with a propane torch. Photo by Peter Felker. See Felker et al. (2161–2168).
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| The SCI Journals | Agronomy Journal | Vadose Zone Journal | |||
| Journal of Environmental Quality | Soil Science Society of America Journal | ||||
| Journal of Natural Resources and Life Sciences Education | |||||