包膜尿素不同配比减施对土壤无机氮含量及玉米氮素吸收的影响
|
Effects of Soil Inorganic Nitrogen and Nitrogen Absorbing by Maize Under the Reduced Application of Coated Urea at Different Proportions
|
图2. 树脂包膜尿素氮素累积释放速率和阶段释放速率 |
Fig. 2. Nitrogen release rate and stage release rate of RCU |
![]() |