1996年在保定市的易县、高阳、清苑、阜平、蠡县等地，对大石早生李的生长、结果、适应性、果实品质等进行了研究。

The growth, fruit setting, adaptability and fruit quality of Dashi early maturing plum were observed from 1991 to 1996.

youdao

1996年在保定市的易县、高阳、清苑、阜平、蠡县等地，对大石早生李的生长、结果、适应性、果实品质等进行了研究。

The growth, fruit setting, adaptability and fruit quality of Dashi early maturing plum were observed from 1991 to 1996.

youdao