Showing 141 - 150 of 60,546
This paper analyzes the economnic feasibility of an investment designed to digest anaerobically cage layer manure and convert biogas into electricity which is sold to a public utility. A simulation model is used to calculate the aftertax net present value (NPV) of a digestion system for eight...
Persistent link: https://www.econbiz.de/10010915153
The economic viability of nine representative energy conservation options for Pennsylvania greenhouse operators is examined . The analysis is done using an Internal Rate of Return procedure for four major fuels under three price escalator assumptions. The minimum energy savings per square f=t...
Persistent link: https://www.econbiz.de/10010915475
Persistent link: https://www.econbiz.de/10010916369
Persistent link: https://www.econbiz.de/10010917342
This paper reviews the progress to date of the Canterbury Water Management Strategy and identifies key developments and emerging issues. The paper examines the provision of storage, water use efficiency, environmental flow adjustments, nutrients from land use intensification, biodiversity...
Persistent link: https://www.econbiz.de/10010920196
Selection logging in the tropics is increasingly moving to systems that reduce the impact of harvesting operations on forests and soils. While much of the focus has been on modifying the tractor logging system using RIL principles, alternative harvesting systems have also been introduced. One of...
Persistent link: https://www.econbiz.de/10010920201
exemption and the interaction effects with a price contingent farm subsidy. Using U.S. policy as an example, ethanol prices rise … gain from any reduction in world oil prices due to the extra ethanol production. Domestic oil producers lose. Because … increased ethanol production improves the terms of trade in both the export of corn and the import of oil, we determine the …
Persistent link: https://www.econbiz.de/10010921331
Persistent link: https://www.econbiz.de/10010921487
Persistent link: https://www.econbiz.de/10010921488