Farmersusedifferentkindsofsoilconservationmethodstoprot...
問題詳情：Farmersusedifferentkindsofsoilconservationmethodstoprotecttheirlandfromdamagebyfarmingandtheforcesofnature.Oneimportantformofsoilconservationistheuseofwindbreaks. Windbreaksarebarriersforme...