梯级稻田主要营养元素的平衡特点

Balance characteristic of Main Nutrients in Paddy Terrace.

通过研究梯级稻田主要营养元素的输入、输出途径，发现了丘陵梯田所存在的生态环境问题及其营养丰缺状况，为合理施肥、发挥资源潜力提出了一系列的意见和建议。

Input and output of main nutrients in paddy terrace are discussed. On the basis of ecological environment and nutrient amount of the paddy terrace, suggestions are proposed on rational applying of fertilizer and exploitting of potential resources.