plot test

Aiming at the characteristics of the ecological environment in Jilin province, with a combination of the small plot test and the large plot test, the regional adaptability of the major good-quality flue-cured varieties in Jilin province was studied.

针对吉林省生态环境特点，采用小区试验与大区试验相结合的方法，研究了5个优质烤烟品种在吉林省的区域适应性。

Combined potted plant, patch test, fixed plot test and great area demonstration. Study on the method combined different ecological basic point with local experiment.

采用盆栽、小区试验、定位试验与大面积示范相结合，本地试验与不同生态区基点相结合的方法进行研究。

( 1 ∶ 30) was built based on the modified design data of the Three Gorges project. Theory calculation model test and plot test.

试验在三峡电站进水口的大比尺模型（1∶30）上进行。

Development and Appliance of Ditch Digger in Crop Plot Test

农作物小区试验开沟器的研制与应用