experiment plot meaning in Chinese

试验区
试验小区

They railed in a piece of ground for an experiment plot
他们用栏杆围起一块地来作为试验田。
China agricultural university established an experiment plots in high land of fengning country , hebei province and observed the natural wind erosion . it indicated that , compared with traditional tillage - plowing up the soil in autumn , conservation tillage can reduce 77 % of soil wind erosion . it is necessary to research systematically and comprehensively on farmland wind erosion in order to study further about the effects and mechanism of conservation tillage and to explore the measures of preventing soil wind erosion
中国农业大学在河北丰宁坝上建立农田实验区，进行自然风蚀观察，表明与传统耕作(秋翻地)相比，保护性耕作可以减少土壤风蚀量77 ，进一步研究保护性耕作的防风蚀效应和机理，探索防治土壤风蚀的措施，需要对农田风蚀进行系统而全面的研究。