The design method for rainwater harvesting terrace project in hillsidefield is proposed by following the balance principle of rainfall runoff and the theory for utilizing the accumulated rainfall.
本文遵循坡地水量平衡原理和雨水叠加利用理论，提出了小流域坡耕地集流梯田工程的设计方法。
2
Soil erosion is greatly affected by artificial interference and farming intensity. The amount of soil erosion in hillsidefield system increases 20 times from natural protection to crop cultivation.
土壤流失量受人为干预、耕作强度的影响很大，坡地从自然保护到作物栽培，系统的土壤流失量提高20倍。
3
Ethnic Yi women hoe a field to plant mulberry on a hillside on the outskirts of Kaiyuan in Yunan.