Results showed that enzyme activities changed regularly with the growing of maize.
2
采用乙炔抑制-土柱培养法研究了北京郊区潮土上夏玉米生育期土壤反硝化状况。
Acetylene Inhibition method was used in a soil core incubation system to study denitrification loss from Beijing fluvial soil during summer maize growth period.
3
其中细菌、放线菌的数量随玉米生育期的发育逐渐增多，而真菌的数量则逐渐减少。
The number of bacteria and actinomycetes increased with the growth of the corn plant but that of the fungi changed in vise versa.
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