Fig. 5
From: Conservation agriculture enhances maize yields and profitability in Mexico’s semi-arid highlands
Relationship between precipitation and yield under different cropping systems in farmers’ fields, Queretaro, Mexico. (R2 = 0.064, n = 66, p < 0.031). Abbreviations: PB = Permanent beds, MM = Maize monocropping, MB = Maize-bean rotation.
