The fine tea-oil families: Asia I , Asia I , and Asia VI are chosen by measurements after the selection by shape The experimental sites have been assigned according to the requirements. Four years' successive measurements show that their economical properties, the fruit andoil produced per m2, the national standards for: the fine tea-oil families; the oil amounts to more than 100 jin per mu, compared with the other families in the experiment, the production-per mu has increased respectively 30.8%, 34.7%, an...