Directory UMM :Data Elmu:jurnal:E:Ecological Economics:Vol31.Issue3.Dec1999:
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(1988) described the increase of embryo production in anther culture of different cultivars of Brussels sprouts (`Hal', `Valiant', and `Oliver') by the inclusion of the
The present work aimed at investigating the possible correlations between the N-Tester readings and the total chlorophyll, total nitrogen, total magnesium and total iron contents in
Johnstone (1995) argues ‘‘those who assert that trade liberalisation is fundamentally benign with respect to environmental effects rest their argument upon the existence of
The results show that there is a large ®nancial incentive to reduce input levels and move to lower yielding cows as milk to milk-quota-leasing price ratios fall relative to prices
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
The estimated turning points of the quadratic and cubic models indicate that per capita emissions of nitrogen oxides reached a peak at an income level close to $9000, while per
A case study in a Mexican rainforest revealed that enrichment planting with the native tree species Pouteria sapota (‘mamey’) is a management approach that can increase the
As an additional 10 farmers reached the e- cient frontier with increasing returns to scale, the mean eciency ratings for all farmers across the levels of farm size and soil
