A striking example is that of zinc: Whereas zinc deficiency was a common problem under conventionally tilled corn in central Kentucky, deficiency symptoms have completely disappeared with no-tillage corn.
A striking example is that of zinc: Whereas zinc deficiency was a common problem under conventionally tilled corn in central Kentucky, deficiency symptoms have completely disappeared with no-tillage corn.
一个突出的例子就是锌，在肯塔基中部，传统耕作制下的玉米缺锌很常见，而免耕制下，玉米缺锌的症状便完全消失。