不同灌溉和施肥模式对水稻产量、氮利用和稻田氮转化特征的影响

曹小闯,吴龙龙,朱春权,朱练峰,孔亚丽,陆若辉,孔海民,胡兆平,戴锋,张均华,金千瑜

Effects of Different Irrigation and Nitrogen Application Regimes on the Yield, Nitrogen Utilization of Rice and Nitrogen Transformation in Paddy Soil

CAO XiaoChuang,WU LongLong,ZHU ChunQuan,ZHU LianFeng,KONG YaLi,LU RuoHui,KONG HaiMin,HU ZhaoPing,DAI Feng,ZHANG JunHua,JIN QianYu

图2 水稻主要生育期稻田15 cm、30 cm和60 cm剖面各形态氮含量

Fig. 2 Contents of the different nitrogen forms in paddy soils at 15 cm, 30 cm and 60 cm depths at the main rice growth stages