求翻译：为探索不同栽培模式对水稻氮代谢和氮肥利用率的影响，于2011年在湖南永安以超级杂交水稻陆两优996为材料进行了氮肥试验。是什么意思？

To explore the impact of different cultivation methods on rice nitrogen metabolism and nitrogen use efficiency, in 2011 in Hunan Wing super hybrid rice land 996 material on the nitrogen test.

To explore different modes of rice planting nitrogen metabolism and utilization of nitrogen fertilizers, in 2011 in Hunan Province in wing on super hybrid rice-optimized 996 materials for nitrogen fertilizers.

In order to explore the different cultivation pattern to the paddy rice nitrogen metabolism and the nitrogenous fertilizer use factor influence, 62 superior 996 has carried on the nitrogenous fertilizer experiment in 2011 in the Hunan Yongan take the super hybrid rice as the material.

To explore different cultivation patterns of effects on nitrogen metabolism and nitrogen use efficiency of rice, in 2011 in Hunan wing on Super hybrid rice luliangyou 996 nitrogen fertilizer for material testing.

正在翻译，请等待...