The dynamics of maize sheath blight was monitored underfieldconditions by interval sowing.
建立人工病圃，系统监测玉米纹枯病的田间发生动态；
2
Underfieldconditions, surface runoff, water infiltration, and drainage should be taken into consideration when designing water demand for crops.
在田间条件下，设计作物需水量时还应考虑地表径流和水分的渗漏与下渗的情况。
3
The effects of N application rate on the characters of uptake nitrogen and nitrogen recovery of different rice varieties was studied underfieldconditions.