Maize straw returning to the field also decreased soil bulk density.

秸秆还田还降低了土壤容重。

youdao

Maize straw returning to the field can increase the soil total nitrogen and inorganic nitrogen content.

秸秆还田增加了土壤全氮和无机氮含量。

youdao

The utility model introduces a mechanism for guiding a valve piston returning to central positions, belonging to the technical field of a servomotor with follow-up action.

本实用新型介绍一种引导阀活塞复中机构，属于具有随动作用的伺服马达技术领域。

youdao

The referees represented by the NFLRA will be returning to the field and the replacement refs will be a relic of the past.

FORBES: Move up http://i.forbesimg.com t Move down

Wigan's defence was tested again six minutes into the second half by Eastmond and with Cunningham returning to the field to help lift Saints, both sides stepped up the pace approaching the hour mark.

BBC: St Helens 10-6 Wigan

The Dragons' back-rower Joe Bearman could have his Wales hopes thwarted by an abductor problem and may even miss the rest of the season, while there is still no sign of Gavin Henson returning to the rugby field.

BBC: Wales given Six Nations fitness boost