搜索结果: 1-4 共查到“农学 trace elements”相关记录4条 . 查询时间(0.187 秒)
Use of trace elements from historical mining for alluvial sediment dating
archaeological methods heavy metals historic metallurgy human impact landscape development Middle Ages
2015/3/9
We examined whether it is possible to relate concentrations of trace elements in alluvial sediments with records concerning the intensity of mining, and use them as a means of dating. We conducted our...
Evaluation of Milk Trace Elements, Lactate Dehydrogenase, Alkaline Phosphatase and Aspartate Aminotransferase Activity of Subclinical Mastitis as and Indicator of Subclinical Mastitis in Riverine Buffalo (Bubalus bubalis)
Riverine Buffalo Somatic Cell Count Subclinical Mastitis Indicator Trace Minerals Enzyme Activity
2016/5/9
Mastitis is a highly morbid disease that requires detection at the subclinical stage. Tropical countries like India mainly depend on milch buffaloes for milk. The present study was conducted to invest...
The fate and bioavailability of some trace elements applied to two vegetable farms in Addis Ababa
Bioavailability leaching sequential extraction trace elements
2009/3/4
Metal (Cd, Cr, Cu, Hg, Ni, Pb and Zn) and metalloid (As) status of two urban farms in Ethiopia were determined using the European Community Bureau of Reference (BCR) modified sequential extraction m...
Effect of Some Trace Elements on Growth, Yield and Chemical Constituents ofTrachyspermum ammi L (AJOWAN) Plants under Sinai Conditions
Trachyspermum ammi L volatile oil Thymol trace elements
2010/11/11
spraying of iron, zinc and manganese as each alone at 50 or 100 ppm or in triple combination
of them at 50 ppm for each on plant grown under sandy soil conditions resulted in significant
enhancement...