.2. The use of soil conservation
We compared the baseline simulation to a scenario in which the three soil conservation practices become available for the agents to adopt. Two alternatives were specified. In the first scenario, the adoption of soil conservation methods was constrained by the frequency-dependent contagion effect (or network constraints) described in Section 2.2. With network constraints, the soil conservation methods are initially available only for a smaller group of agents, particularly innovators in this study. During simulation, these methods could then diffuse through the agent population. In the second scenario, soil conservation methods were available to all agents in the first period, representing barrier-free agent-to-agent communication or perfectly working extension services. Fig. 6 shows the resulting area under soil conservation practices for the two scenarios. With network constraints, soil conservation methods are used on less than 2 hectares (ha) of the area under sloping lands (0.4%). Yet without network constraints, the total area under soil conservation methods increases to 25 ha after 25 years. Still, this is only 5% of the total area of sloping lands.
.2. The use of soil conservation
We compared the baseline simulation to a scenario in which the three soil conservation practices become available for the agents to adopt. Two alternatives were specified. In the first scenario, the adoption of soil conservation methods was constrained by the frequency-dependent contagion effect (or network constraints) described in Section 2.2. With network constraints, the soil conservation methods are initially available only for a smaller group of agents, particularly innovators in this study. During simulation, these methods could then diffuse through the agent population. In the second scenario, soil conservation methods were available to all agents in the first period, representing barrier-free agent-to-agent communication or perfectly working extension services. Fig. 6 shows the resulting area under soil conservation practices for the two scenarios. With network constraints, soil conservation methods are used on less than 2 hectares (ha) of the area under sloping lands (0.4%). Yet without network constraints, the total area under soil conservation methods increases to 25 ha after 25 years. Still, this is only 5% of the total area of sloping lands.
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