Biochemical genetic differences of two varieties of mitten crabs (Eriocheir sinensis and Eriocheir japonicus) from Liaohe, Huanghe, Changjiang, Oujiang, Pearl and Nanliujiang rivers in the mainland of China were analysed by acrylamide gel electrophoresis.

Study on growth difference of Pinus tabulaeformis families and seed orchard progenies in seeding period;

The ecological difference and activating characteristic of ineffective phosphorus of 608 accessions core collection (including 548 accessions landrace and 60 improved varieties) from 5 rice regions and 16 prefectures in Yunnan Province were evaluated when planted in P-deficient (effective P: 0.