Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 5 of 5 for “"land improvement"”.
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Essays on the development of the American economy
… substantial immediate decreases in agricultural land values and revenues. Until at least the 1950's, however, there was limited reallocation of farmland away from activities that became relatively less productive due to erosion. Relative changes in agricultural land values and revenues indicate …
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Essays on Macroeconomics and Population Growth
Thesis (Ph.D.)--University of Rochester. Economics Department, 2004.
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Food demand and supply under global change
… optimizing crop yields in the current cultivated land with the current cropping patterns by closing yield gaps. Using this, we investigated in a five-minute resolution the extent to which food demand can be met locally, and/or by regional and/or global trade. Globally, food consumption habits are …
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Agricultural change in the East Riding of Yorkshire: 1850-1880: an economic and social history
… high farming, and the ability and willingness of landowners and farmers to invest in land improvement. A social dimension is added by considering fluctuations in the prosperity of those who owned, farmed and worked the land, but detailed discussion is reserved for labourers.Most of the study's …
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Zur Rekonstruktion historischer Biodiversität aus archivalischen Quellen: Das Beispiel des Oderbruchs (Brandenburg) im 18. Jahrhundert
… eine im Nordosten Brandenburgs (Deutschland) gelegene Flussaue, welche im Verlauf des 18. Jh. großflächig eingedeicht, melioriert und kolonisiert wurde. Die im Rahmen dieser Großprojekte erstellte große Menge archivalischen Materials liefert die Basis zur Untersuchung der mit …