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- Graves, A. R.; Burgess, P. J.; Liagre, F.; Terreaux, J.-P.; Borrel, T.; Dupraz, C.; Palma, J.; Herzog, F.
- Agroforestry systems 2011 v.81 no.2 pp. 93-108
- farming systems; forestry; agroforestry; simulation models; farm income; agricultural economics; econometric models; profitability; economic impact; land use; geographical variation; crop yield; commodity prices; agricultural subsidies; farm labor; crop acreage; pruning; Europe
- ... Financial feasibility and financial return are two key issues that farmers and land owners consider when deciding between alternative land uses such as arable farming, forestry and agroforestry. Moreover regional variations in yields, prices and government grants mean that the relative revenue and cost of such systems can vary substantially within Europe. To aid our understanding of these variatio ...
- Liu, J. L.; Wang, Y. G.; Yang, X. H.; Wang, B. F.
- Agroforestry systems 2011 v.81 no.2 pp. 135-146
- Haloxylon ammodendron; xerophytes; deserts; shrubs; conservation plants; geographical variation; seeds; seedlings; provenance; shape; seed germination; weight; mortality; internodes; branches; photosynthesis; diameter; seedling growth; vigor; dry matter partitioning; climatic factors; air temperature; relative humidity; China
- ... China is one of the countries most severely affected by desertification. Haloxylon ammodendron is an ecologically important component of the desert ecosystem and is one of the main shrub species used for ecological restoration. We compared the genetic variation in seed and seedling traits among six H. ammodendron provenances arrayed from east to west in China. The experiment was carried out in a g ...