农学 >>> 农学总论 作物学 园艺学 土壤学 植物保护学 农药学 林学 畜牧学 兽医学 水产学
搜索结果: 1-6 共查到农学 subsoil相关记录6条 . 查询时间(0.046 秒)
Subsoil (0.2–1 m) organic carbon (C) accounts for the majority of soil organic carbon (SOC), and SOC turnover time (τ, year) is an important index of soil C stability and sequestration capacity. Howev...
This paper presents the results of the nitrates movement monitoring under the conditions of field experiment, with different fertilisation doses applications, with and without irrigation and, for di...
Volcanic ash soils contain appreciable quantities of anion adsorption capacity (AEC) due to the variable charge, and they adsorb anions by non-specific adsorption. To study the effect of this characte...
The pot experiment was carried out over 1998-2000 which aimed at defining the effect of brown coals, sludge as well as their mixtures and farmyard manure (FYM) on the content of cadmium and lead in su...
In Grey clayey loamy agricultural soils the horizontal and vertical variability of soil density is the dominant factor in the formation of preferential water filtration flow paths. These paths are pre...
Samples taken from the plow layer (Ap horizon)and subsoil (B horizon)of six cultivated soil profiles were analyzed as original samples and as mixtures containing 25% or 50% material from the B horizon...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...