Owing to the situation and thinking of developing wheat production in Heilongjiang province, the main reasons of wheat market downturn and planting area declining were analyzed.

 
  • 摘要针对黑龙江省近年来发展小麦生产的情况及思路,分析了小麦市场低靡,种植面积下降的主要原因。
今日热词
目录 附录 查词历史