mollisols相关论文
Soil Bacterial Communities Under Different Long-Term Fertilization Regimes in Three Locations Across
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
沟道侵蚀是土地退化最严重的表现形式,东北黑土区是中国除黄土高原外沟道侵蚀最为严重的区域,沟道侵蚀严重威胁东北区域农业生产和......
Mollisols 在南美洲是普通的。他们盖住大约 8.87...
Effects of Topography and Land Use Change on Gully Development in Typical Mollisol Region of Northea
Due to high intensity agricultural exploitation since the middle of the 20 th century, farmland gullies have become a pe......
为了阐明长期施肥后不同有机质含量农田黑土活性有机氮组分的变化,探讨农田黑土肥力演变对施肥的响应机制,本研究利用黑土生产力长......
【目的】丛枝菌根(Arbuscular mycorrhizae,AM)真菌在促进作物养分吸收、提高作物抗病和抗逆性等方面具有重要意义,探讨长期施用化学......
暗沃土是美国土壤系统分类中的一个土纲,农民群众通常称之为黑土,是一类肥沃的土壤。中国东北地区的暗沃土面积约347 510 km2,占全......
土壤速效磷是反映土壤供磷水平的重要指标,也是磷环境风险评价的重要参数,研究其空间分布规律可为农田合理施肥和生态环境治理提供......
氨基糖作为土壤微生物来源物质的定量指标和重要标识物,经过微生物周而复始的生长-代谢-死亡的循环过程,不断地在土壤中积累,对评......
Features of selected benchmark soils along an elevational transect of the northeastern part of the M
Soil morphological, physical and chemical properties are described at four locations along an elevational transect in th......