The controlled-release urea (CRU) can provide an effective technical approach to improve the nitrogen use efficiency (NUE) and reduce environmental risks by formulating them to synchronize nitrogen (N) release according to the N demand of crops over the entire growing period. The evaluation of...

Controlled-release urea (CRU) was regarded as a kind of promising fertilizer, which can meet the nitrogen (N) demand of crops over the entire growing period by gradually releasing N nutrient, and could decrease N losses. Evaluating the comprehensive application effects of CRU on the maize yield...

Firstly, it is briefly introduced that Guangxi characteristic economic agricultural products are currently characterized by typical regional features and strong competitiveness. Then, Guilin is taken as an example, the problems existing in constructing the supply chain and brand of Guilin...

This paper presents a noncompensatory latent trait model, the multicomponent latent trait model for diagnosis (MLTM-D), for cognitive diagnosis. In MLTM-D, a hierarchical relationship between components and attributes is specified to be applicable to permit diagnosis at two levels. MLTM-D is a...