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热研4号王草经过加工、发酵处理后与蛭石和珍珠岩以不同比例配比混合进行烟草漂浮育苗 试验。结果表明,经过发酵处理的两种粒径的草粉在不同的处理和配方下具有显著的出苗差异,筛选 出发芽率较好的2个配方:粒径7处理1反应程度80％配比3:2:5的两次发芽率为81．84％和 59．38％;粒径4处理2配比3:2:5反应程度100％的两次发芽率为86．25％和68．75％。
Heat research No. 4 Wang grass after processing, fermentation and vermiculite and perlite mixed with different proportions of tobacco floating nursery test. The results showed that the fermented two kinds of particle size of the grass powder in different treatments and formulations have significant differences in the emergence, screening out the better germination rate of the two formulations: particle size 7 treatment 1 response 80% ratio 3 : 2: 5 germination rate of 81.84% and 59.38%; particle size 4 treatment 2 3: 2: 5 ratio of 100% of the two germination rate was 86.25% and 68.75 %.