Two years ago, Dr. Leifert led a similar review for fruits and vegetables that found organic produce had higher levels of some antioxidants and less pesticide residue than conventionally grown crops.
两年前，莱费特博士领导了一项关于水果和蔬菜的类似综述，发现与用常规方法种植的作物相比，有机农产品中某些抗氧化剂的水平较高，农药残留较少。
In other time crops coefficient between the two crops of change, it is to produce a crop of the main reason rop water requirement.
在其他时间里作物系数均在两种作物系数之间变化，这是产生作物需水量降低的主要原因。
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