搜索结果: 1-3 共查到“土壤学 subsoil”相关记录3条 . 查询时间(0.149 秒)
The Influence of Irrigation on Nitrates Movement in Soil and Risk of Subsoil Contamination
nitrates fertilisation irrigation
2015/3/1
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...
INFLUENCE OF BROWN COALS, SLUDGE AND THEIR MIXTURES AND FYM ON THE CONTENT OF CADMIUM AND LEAD IN SUBSOIL AND ITALIAN RYEGRASS
cadmium lead brown coal sludge mixture Italian ryegrass
2009/3/31
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...
Phosphorus extractability in surface soil samples as affected by mixing with subsoil
phosphorus sampling soil horizons sorption isotherms
2010/8/16
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...