Songliao Plain

英 美
  • 松辽平原
  • plain adj.清楚的;简单的;坦白的;平常的;朴素的;纯的n.平原;广阔的区域adv.完全地;纯粹地
    1. Through field investigation and soil fertility index analysis, causes and mechanism of fertility degradation of black soil in the Songliao Plain were explored.
      摘要通过田间调查和土壤肥力指标分析,探讨了松辽平原玉米带黑土肥力退化的原因和机理。