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Professor Janis L. Boettinger，College of Agriculture and Applied Sciences, Utah State University（图）
Professor Janis L. Boettinger College of Agriculture and Applied Sciences, Utah State University
2014/11/11
Janis L. Boettinger
Professor
Area of Study: Environmental Soil & Water, Soil Science
Emphasis: Soil Pedology/Genesis/Morphology
Plants, Soils and Climate: Faculty
Studies of physiochemical and microbial properties of soils from rainforest and plantation in Ondo state, Nigeria
Natural forest Gmelina aborea plantation physicochemical parameters enzyme activities
2009/3/4
Microbial population, and biomass as well as hydrolytic enzymes of soil that are responsible for biodegradation of various structural complexes of plant litters and dead organic compounds from Ond...
Evaluation of Some Chemical Extraction Methods Used as Indices of Soil Nitrogen Availability in Polatlı State Farm Soils in Ankara Province
Potantially available nitrogen aerobic and anaerobic incubation chemical extraction arid and semi-arid regions mineralization
2009/1/14
In pursuit of evaluating the suitability of methods for determining the ability of soils to supply available nitrogen under different soil conditions, two biological aerobic and anaerobic incubation ...
Soil Microarthropods Associated with Mechanic Workshop Soil in Benin City, Edo State, Nigeria
Soil Microarthropods Mechanic Workshop Soil Benin City
2008/2/28
An ecological study of soil microarthropods of a mechanic workshop was carried out in Benin
City, Edo State, Nigeria to assess the soil microarthropods associated with the workshop in relation to the...
The Response of Dioscorea rotundata to NPK Fertilizer Application in Edo State, Nigeria
Dioscorea rotundata forest zone tuber yield and NPK fertilizer
2007/12/31
The influence of NPK 15:15:15 fertilizer application on Dioscorea rotundata cv “Obiaoturugo”
was carried at Evboneka in Edo State to determine the optimum level of NPK fertilizer application on yam i...
Influence of EU policy on agricultural nutrient losses and the state of receiving surface waters in Finland
Agriculture eutrophication nutrients water quality runoff rivers lakes estuaries climate change
2007/12/31
In Finland, the first large-scale efforts to control nutrient loading from agriculture got under way with the introduction of the EU Agri-Environmental Program in 1995. We examined whether these effor...