Sökning: "poppy"
Hittade 2 avhandlingar innehållade ordet poppy.
1. Seed dormancy and germination in an ecological context : comparative studies of annual weeds
Sammanfattning : Germination ecology studies, i.e. studies of interactions between characteristics of the seeds and environmental circumstances, provide understanding of spatial and temporal patterns of emergence of wild species, as weeds in the field. A large number of species have seed dormancy, i. LÄS MER
2. Changing the risk at the margin : Smallholder farming and public policy in developing countries
Sammanfattning : This thesis consists of a summary and four self-contained papers. Paper [I] examines whether the implementation of a social safety net programme in Ethiopia has affected the value, risk and composition of farmers‟ crop portfolios. LÄS MER
Resultatsidor:
1