The vertical distribution and seasonal change of leaf are a were studied in intensive and extensive culture poplar plantations.
本文对集约经营与粗放经营杨树人工林分的叶面积垂直分布及其季节动态变化进行了对比研究。
The vertical distribution and seasonal change of leaf are a were studied in intensive and extensive culture poplar plantations.
本文对集约经营与粗放经营杨树人工林分的叶面积垂直分布及其季节动态变化进行了对比研究。
应用推荐