Directory UMM :Data Elmu:jurnal:A:Agriculture, Ecosystems and Environment:Vol82.Issue1-3.Dec2000:
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![Fig. 3. The effect of [CO2] on GAI at low N. Observations, highCO2 (�), low CO2 (�). Simulations from Sirius, high CO2 (fullline), low CO2 (broken line).](https://thumb-ap.123doks.com/thumbv2/123dok/3162022.1386458/6.612.141.458.66.304/effect-observations-highco-simulations-sirius-fullline-broken-line.webp)
![Fig. 6. Simulated response of final above-ground biomass (upper lines) and grain yield (lower lines) (t ha−1) to applied N (kg ha−1) attwo [CO2] for (a) AFRCWHEAT2, (b) FASSET, and (c) Sirius, broken lines are for high CO2 and full lines for ambient CO2.](https://thumb-ap.123doks.com/thumbv2/123dok/3162022.1386458/9.612.161.438.390.613/simulated-response-biomass-applied-afrcwheat-fasset-sirius-ambient.webp)
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The circum-polar boreal forest has played an important role in the wealth of northern nations since the 15th century. Its natural resources spurred strategic geopolitical
After clarifying the main concepts used, the different modelling approaches that have been used to study land-use change are examined, case study evidence on processes and drivers
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