Publications
NIBIOs employees contribute to several hundred scientific articles and research reports every year. You can browse or search in our collection which contains references and links to these publications as well as other research and dissemination activities. The collection is continously updated with new and historical material.
2000
Forfattere
Daniel V. Hagan E Hassold B Kynde Ryszard Szadziewski Karl Thunes John Skartveit WL GroganSammendrag
No abstract has been registered
Sammendrag
The effect of six cropping systems (rotations of either mainly arable or mainly forage crops) on the soil N content was evaluated using mass balances of total N, and the usefulness of such N balances to predict N runoff (total N losses via drainage and surface water) was investigated. All the arable cropping systems resulted in a net reduction in the calculated soil N pool, and the reduction increased with decreasing N input. Only the forage system with the highest N input maintained the initial soil N content. Mass N balances were found to be a useful tool for predicting N runoff, as up to 87% of the variation in N runoff could be explained.
Forfattere
Tron Eid Kåre HobbelstadSammendrag
A computer model for long-term forest management analysis is described. It is a deterministic simulation model, and provides means for a range of possible analyses; different management strategies, i.e. harvest- and silvicultural investment strategies, along with the corresponding cash flow, development of forest state and profitability. The description is accompanied by a case study, employing some features of the model, based on data covering Hedmark county in Norway, with the objective of mapping consequences for potential harvest level and net present value related to varying treatments for different border zone types.
Sammendrag
No abstract has been registered
Forfattere
Svein Ole Borgen Per Ove RøkholtSammendrag
No abstract has been registered
Forfattere
Anne Moxnes Jervell Svein Ole BorgenSammendrag
No abstract has been registered
Sammendrag
No abstract has been registered
Sammendrag
No abstract has been registered
1999
Forfattere
Mehreteab TesfaiSammendrag
No abstract has been registered
Sammendrag
No abstract has been registered