Favourable rains lift crop outlook, with lower wheat imports expected next season.
Purchase supports supply plan as government works to keep bread prices stable.
Zimbabwe plans to exceed its wheat needs, but farmers say rising costs and payment delays could slow progress.
The country sets up 78 storage sites ahead of harvest collection while farmers raise concerns over quotas in the Kurdistan Region.
Beijing sets plan to lower soybean purchases by 26 percent as grain output rises and import reliance slows.