旺茂农场自1973年起，开始种植H·11648麻，到1991年底，累计种植面积已达6，830亩（300株为一亩，下同）。1992年起开始更新，到1996年底止，累计更新了442亩，包括更新麻在内，同年H·11648麻存园面积只有4，800亩。淘汰快，更新跟不上，除了资金不足，计划不同等原因外，在 Mongolian Mao farm since 1973, began planting H. 11648 hemp, by the end of 1991, the cumulative acreage has reached 6,830 acres (300 is a acre, the same below). Since 1992, the program has been updated. By the end of 1996, a total of 442 mu have been updated, including updated hemp. In the same year, there were only 4,800 mu of H · 11648 hemp storage area. Quickly eliminated, update can not keep up, in addition to lack of funds, plans and other reasons different