陕单21号（陕单9704）由西北农林科技大学农学院玉米研究所1997年以自交系武464和K22杂交育成的早熟玉米新品种。
The new maize variety Shaandan 21 (Shaandan 9704) was bred by the male Wu 464 and the female K22 in Maize Institution, Northwest Sci-Tech University of Agriculture and Forestry in 1997.
陕单21号（陕单9704）由西北农林科技大学农学院玉米研究所1997年以自交系武464和K22杂交育成的早熟玉米新品种。
The new maize variety Shaandan 21 (Shaandan 9704) was bred by the male Wu 464 and the female K22 in Maize Institution, Northwest Sci-Tech University of Agriculture and Forestry in 1997.
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