Long-term potash application and wheat straw return reduced soil potassium fixation and affected crop yields in North China
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DOI: 10.1007/s10705-017-9843-0
Abstract: In light of China’s mineral potassium (K) deficit, it is imperative to improve K fertilizer use efficiency and conserve soil K. This study explored the effects of 15 years (1993–2007) of continuous potash application and wheat… read more here.
Keywords: potash application; fixation; straw return; soil ... See more keywords