Phytoremediation is a method of clearing up pollutants from environment by *** has the advantages of low cost,saving land resources and no secondary *** importantly,it does not destroy the ecological *** it has a brig...
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Phytoremediation is a method of clearing up pollutants from environment by *** has the advantages of low cost,saving land resources and no secondary *** importantly,it does not destroy the ecological *** it has a bright future for apply phytoremediation in cleaning the contaminated *** is a herbicide that is widely used in ***(Populus deltoids cv.I-69/55)and transgenic poplar(Populus deltoides × nigra,DN34)in pots were used to test if they remediate atrazine contaminated soil in a greenhouse in this *** degradation dynamic of atrazine was studied in different rhizosphere environment with GC method;the dynamic variation of microbe was investigated to elucidate the rhizosphere effects and mechanism of phytoremediation of Atrazine contaminated soil by transgenic poplar,in the process of *** main results were summarized as follows:1)There was no significant difference in atrazine(the applied concentration was 10 mg·kg-1 in the soil of pots)between the ordinary poplar rhizosphere soil and the non-rhizosphere *** transgenic poplar was able to clean up *** was significant difference in atrazine between the transgenic poplar rhizosphere soil and the non-rhizosphere soil.2)The bacteria in non-rhizosphere soil were significantly inhibited by 10 mg·kg-1 *** number of bacteria,fungi and actinomycosis in rhizosphere soil was more than that in non-rhizosphere *** number of bacteria in transgenic poplar rhizosphere soil remained stable,and was generally more than that in other rhizosphere *** number of actinomycosis was in an order:non-contaminated soil >rhizosphere soil contaminated with atrazine>non-rhizosphere soil contaminated with atrazine.
The main nutrient content and mineral element content in fresh bamboo shoots of Pleioblastus amarus(Keng)Keng f.,*** *** et *** ***(McClure) *** et *** were *** results show that the water content in fresh bamboo shoo...
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The main nutrient content and mineral element content in fresh bamboo shoots of Pleioblastus amarus(Keng)Keng f.,*** *** et *** ***(McClure) *** et *** were *** results show that the water content in fresh bamboo shoots of ***,*** and *** is 91.32%,90.87% and 91.69%,respectively,and the difference is not *** crude fiber content is 13.9,18.8 and 19.3 g·kg-1,crude fat content is 8.90,7.20 and 6.60 g·kg-1,ash content is 10.90,4.10 and 7.60 g·kg-1,VC content is 0.133,0.154 and 0.087 g·kg-1,crude protein content is 21.2,19.5 and 14.0 g·kg-1,reducing sugar content is 0.80,1.20 and 2.20 g·kg-1,respectively,and the significant difference exists among the three species.K content in fresh bamboo shoots of the three species is the highest(1 152.8-1 628.1 μg·g-1),and Ca and Mg contents are 63-86 μg·*** content in that of ***,*** and *** is 22.4,21.9 and 20.3 μg·g-1,respectively,and the difference is not ***,there is 16.2 μg·g-1 Fe and 0.30 μg·g-1 Cr in fresh bamboo shoots of ***,but Fe and Cr can not be detected in that of *** and ***.
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