Zhaojia has far less farmland than Majia, but unit production costs in Zhaojia have been significantly lower than majia in recent years  Investigations in Majia found that Zhaojia had stopped using expensive fertilisers and had switched to crop rotation and twice-yearly application of manure
Before long, ma Jia village also adopted the same measures, and soon, Ma Jia Village got very good results
Majia village has sufficient sources of manure for farm use.