Fecha de publicación: 17/08/2016 Fuente: WIPO "tobacco agriculture" The utility model discloses a tobacco root development observation device convenient to sample, including cultivating the bucket, bearing the frame, the cultivation bucket set up in bearing on the frame, the outer wall of cultivation bucket on open and have a plurality of sample connections, and the angle of the contained angle constituteed at the projected mid point of cultivation barrel head face and bottom surface center of two liang of sample connections is 45~60, the perpendicular distance of sample connection between two liang be 1~10cm. The utility model discloses it has the sample connection to open in the different position of cultivation bucket, and the science of sample has effectively been improved to each position of the root system of can accurately taking a sample, simultaneously, be provided with the slidable baffle, close the baffle in the time need not taking a sample, prevent that lou soil exerts an influence to root development. And simultaneously, the utility model discloses simple structure, sampling operation is convenient, simplifies the tobacco seedling root development process of the test.