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The empirical literature on plot-level adoption of sustainable intensification technologies (SITs), as a package comprising improved crop varieties and good agronomic management practices is thin for dryland crops, such as sorghum. In this paper, we analyze the adoption and impacts of SITs on sorghum yield and net revenue using data from a sample of 1680 households and 3310 plots in the sorghum belt of Nigeria. Our estimates are based on a multinomial endogenous switching regression, which accounts for observable and unobservable sources of selection bias. We find a relatively low joint adoption of both improved sorghum varieties and good agronomic practices. In addition, we find that the adoption of only improved sorghum varieties and the joint adoption of both improved sorghum varieties and good agronomic practices led to a 56 and 102% increase in sorghum yield, respectively, and an 88 and 82% increase in net revenue, respectively. The yield and net revenue effects indicate that there are considerable missing opportunities that sorghum-producing households can harness through the adoption of SITs. Our findings reveal that policies tailored towards promoting the widespread adoption of SITs can lead to considerable productivity gains and economic returns for smallholder sorghum farmers towards improving their welfare.

Sustainable intensification technologies and farm performance: evidence from smallholder sorghum farmers in Nigeria