It is apparent that self-sufficiency through nitrogen (or even nitrogen plus phosphate) fertilization alone will not create sustainable agriculture in China.
It is apparent that self-sufficiency through nitrogen (or even nitrogen plus phosphate) fertilization alone will not create sustainable agriculture in China.
很明显，中国只依靠单纯施氮肥（甚至氮肥加磷肥）的自给自足不能形成持续的农业。