[Residue of chlorpyrifos and its degradation dynamics in Chinese chive (Allium tuberosum) plant and soil].

This paper studied the residue of chlorpyrifos and its degradation dynamics in Chinese chive (Allium tuberosum) plant and soil after irrigating different concentrations of this pesticide into A. tuberosum root zone under plastic greenhouse and open-field cultivated conditions. The chlorpyrifos in A.

[A new textual research on origin of monascus rice].

Objective: To explore the origin of Monascus Rice.

Methods: The relative literature were investigated and classified.

Results: It was verifiable that the record of Monascus Rice in Chu Xue Ji ([Chinese characters: see text]), a subject-based reference book compiled by Xu Jian in the Tang Dynasty, was excerpted from the metrical verse Qi Shi ([Chinese characters: see text]) written by Wang Can in the Dong Han Dynasty.