Directory UMM :Data Elmu:jurnal:A:Applied Soil Ecology:Vol13.Issue3.Dec1999:
Teks penuh
Dokumen terkait
Johnstone (1995) argues ‘‘those who assert that trade liberalisation is fundamentally benign with respect to environmental effects rest their argument upon the existence of
Using data for male respondents in the National Longi- tudinal Survey of Youth (NLSY)—the same data source used by both Ruhm and Hotz et al.—I estimate a human capital wage model
Institutional and politi- cal changes appear to have offsetting influences on vulnerability to climatic changes, given present patterns of land use and ownership and the re- duced
This is because energy cost is only an accurate indicator of resource quality if either energy is the single primary factor of production and the economy can be represented by an
1993; Oliva-Teles et al., 1994; Olli and Krogdahl, 1995. The aim of the current experiment was to assess the potential of plant protein sources in extruded salmon feeds and
This was indicated to be a result of a decrease in the gross immobilization rate while the gross ammoni®ca- tion rates in the three soils sampled under dead Calluna vegetation
We undertook a study to de®ne the impacts of management strategies and grazing histories on the spatial distribution of soil microbial biomass in zones around different species
The impact of growth factors contained in the full Rennie's (1981) medium formula [vitamins: biotin and p -aminobenzoic acid (PABA) and yeast extract (YE)] on nitrogenase activity
