用“survival ratio”造句大全，survival ratio造句
Relationship between physical and chemical characters of different kinds of apple branches and survival ratio of Eriosoma lanigerum(Hausmann)
To enhance manual grafting rate and survival ratio of vegetable seedling grafted in China, a semi-auto mechanical grafting machine has been developed with cut grafting method applied widely.
The survival ratio was preferable with the stocks of Ilex cornuta and Ilex Integra, between which the Ilex cornuta showed better.
This experiment also studied the transplanting technology of Elaeagnus mollis Diels tube plantlet and environmental conditions and the transplanting survival ratio was up to 66%.
