论文部分内容阅读
本实验利用质谱法探讨鸭梨最佳施肥期肥料N的平衡及其效应。数据分析表明,秋施肥较春施和夏施有利于植株吸收更多的肥料N;促进树体间的协调生长;能够最有效地提高土壤的供肥能力对于肥料N的损失最少。从秋施、春施、夏施三个施肥期的综合效果看,梨树施肥应以秋施为主、春施为辅。
In this experiment, we used mass spectrometry to explore the balance and its effect of fertilizer N in the optimum fertilization period of pear. The data analysis showed that the autumn fertilizer was better than the spring and summer facilities to absorb more fertilizer N fertilizer; to promote the coordinated growth of the tree; the most effective to improve soil fertility for fertilizer N loss of least. From the autumn facilities, spring facilities, Xia Shi three integrated effects of fertilizer period, pear fertilizer should be based on autumn, supplemented by spring.