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- W2347493646 abstract "Effects of different seed treatments and cultural factors on seedling survival of Ephedra sinica were researched in this paper. The results were shown that the ratios of seedling survival of both stratificated treatment under low temperature(4 ℃)for 15 days and seed-soaking treatment with 1% CuSO_4·5H_2O solution for an hour were significantly higher than those of the controls,and the difference between the treatment and the control was significant,individually. The low saline-alkali soil (pH=8.0)with higher organic contents was beneficial to the seed germination and seedlings survival of Ephedra sinica. The absolute water content of soil made an importent difference to seedlings survival. The absolute water content of soil lower than 24.34%, the ratio of seedlings survival was higher with the increase of the absolute water content of soil, and the appropriate absolute water content of soil was from 19% to 24%. The changes of the ratio of seedlings survival were shown a S type curve, and with the temperature gradually increasing from 20℃ to 25℃,the seedlings survival of Ephedra sinica was increasely effective." @default.
- W2347493646 created "2016-06-24" @default.
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- W2347493646 date "2004-01-01" @default.
- W2347493646 modified "2023-09-25" @default.
- W2347493646 title "Effects of different seed treatments and cultural factors on Ratio of seedling survival of Ephedra sinica Stapf" @default.
- W2347493646 hasPublicationYear "2004" @default.
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