Effect of Different Nitrogen Fertilizer Application Strategies on Rice Growth and Yield

• 作者: Dong JIA Han DU Jingjing LU Lei HAN Shuang SONG Yajun SUN
• 来源期刊: 亚洲农业研究：英文版
• 学科: 农学
• 关键词: RICE NITROGEN FERTILIZER Operation research FORMER NITROGEN moved backward(FNMB) Dry matter accumulation Yield
• 年，卷（期）: 2016,（1）
• 页码范围: 33-39
• 页数: 7页
• 分类号: S511

摘要

Nitrogen fertilizer is an important factor for crop production. The N application strategies named as former nitrogen moved backward( FNMB) are tested in three ecological regions to optimize the N application in rice. The dry matter accumulation and distribution,yield and quality are studied to understand the formation of yield and quality of rice under different N application strategies. The result indicates that former nitrogen moved backward( FNMB) can increase tiller number and dry matter accumulation; effective ears and yield can be increased with the increase of fertilization; rational nitrogen application can help to establish scientific group structure,harmonize yield component,and then achieve high ratio of input to output and benefit.