<-20% 0.00 3 0.001 *** 0.001 *** <=-20% - <-10% 0.02 3 0.005 *** 0.005 *** -10% - <0% 0.00 3 0.003 0.003 0%-<10% 0.00 1 0.004 0.004 10% - <20% 0.00 3 0.004 0.004 >=20% 0.01 2 0.001 *** 0.001 *** Relative change in rainfall seasonality (dummies) <-20% base <=-20% - <-10% 0.22 8 0.069 *** 0.069 *** -10% - <0% 0.02 0 0.034 0.035 0%-<10% 0.01 6 0.035 0.036 10% - <20% 0.05 5 0.064 0.067 >=20% 0.07 8 0.044 * 0.045 * 1.23 8 0.032 *** 0.035 *** Cost of fertilizer Road density category CBMS-FAO | 66