- Article
Urea Enhanced with Polyaspartic Acid of a Higher Molecular Weight Significantly Increased Wheat Yield and Nitrogen Use Efficiency
- Yuan Liu,
- Shuiqin Zhang,
- Bingqiang Zhao,
- Meng Xu,
- Liang Yuan and
- Yanting Li
Polyaspartic acid (PASP) is widely used in agriculture owing to its role in promoting crop growth and nutrient absorption, and its effects are correlated with its molecular weight. In this study, a field soil column experiment using a 15N tracer was...