对处理农机事故所涉及的有关法规及事故的认定作了解释,并阐述了农机事故的预防。

Effects of nitrogen application and patterns on grain yield and quality of ' Lin Y7287' were studied between 2009 and 2010 after plowing corn straw to soil for many years, in order to provide scientific basis to high yield and quality production in Southern Shanxi. The results showed that, the grain yield of 'Lin Y7287' was increased along with application amounts when nitrogen was lower than 225 kg/hm2, and then reduced. At this application amount, wet gluten, sedimentation, development time, stable time and evaluation value were also the highest. But grain protein content and HMW-GS expression were all increased along with nitrogen application. The yield was increased along with the increase of the ratio of basal nitrogen. And all nitrogen being used to basal fertilization can got the highest yield. Protein content, wet gluten, sedimentation value, development time, stable time, evaluation value and HMW-GS expression were increased along with the increased of topdressing proportion of nitrogen. In this study, the high yield and quality could be acquired when application nitrogen was 225 kg/hm^2, ratio of basal to top dressed nitrogen was 7:3 in Southern Shanxi.

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