研究了上海市郊部分旱作农田土壤盐分特征。
Salinity content and characteristic of farmland soil in Shanghai suburb was studied.
通过大田试验研究了黄土地区种植作物对旱作农田土壤理化性状、磷酸酶活性以及土壤n2o排放的影响。
Field experiments were carried out on Loess Plateau to investigate the effects of cropping on the physical and chemical properties, phosphatase activity, and N2O emission of upland soils.
本文结论对农牧交错带旱作农业增强农田防风抗蚀能力有借鉴意义。
The conclusion drawn in this paper is of some significance for reference in controlling wind erosion in dryland agriculture in the agro-grazing ecotone.
黄土高原旱作区河南省灵宝市一带，农田主要害鼠为终生营地下活动的棕色田鼠。
Mandarin vole is one of the harmful rodents which lives underground in all it's life, in the dry farming area of loess plateau in Lingbao city, Henan province.
黄土高原旱作区河南省灵宝市一带，农田主要害鼠为终生营地下活动的棕色田鼠。
Mandarin vole is one of the harmful rodents which lives underground in all it's life, in the dry farming area of loess plateau in Lingbao city, Henan province.
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