Rotational grazing studies have produced mixed results related to animal performance (weight gain), which has contributed producer uncertainty regarding management decisions. To enhance decision-support for producers, we improved algorithms in the Agricultural Policy/Environmental eXtender (APEX) model better represent cattle weight gain real-world rangeland conditions under two strategies. Sim...

recent droughts and indiscriminate use of ground water for agriculture, is the main problems of the especially desert country.water crisis has gripped all of country plains, and due tothe reduction of surface water resources and successive droughts, illegal exploitation of ground water resources is increasing.the knowledge of the water balance plains can be helped in the water resources managem...

Dr. Jinggao Liu , USDA, ARS, Southern Plains Agricultural Research Center, College Station, TX Dr. Alois A. Bell , USDA, ARS, Southern Plains Agricultural Research Center, College Station, TX Dr. Robert D. Stipanovic , USDA, ARS, Southern Plains Agricultural Research Center, College Station, TX Dr. Lorraine S. Puckhaber , USDA, ARS, Southern Plains Agricultural Research Center, College Station, TX