【摘要】 根据关中灌区自然经济条件，提出了一种新的机械化模式。经过９年实践表明，采用该模式，无论丰年、平年、灾年均可大幅度增产，能提高抵抗自然灾害的能力，使丰、灾年间产量波幅减小，更趋稳定。更多还原

【Abstract】 A new comprehensive mechanization moldel has been presented accordingto the natural and economic conditions in Guanzhong irrigation area.The nine years,practice shows that,by adopting this mechanization model,grain yield can be increasednot only in bumper harvest years,but also in normal and desastrous years.This modelcan also help raise the ability to withstand natural calamities Snd keep grain yield stable.更多还原