1. At harvest,root length density and treflan concentration at different soil layer were evaluated using soil auger method.
   冬小麦收获后,采用土钻法在滴头附近沿垂直方向分层取样,测定各土层的根长密度和氟乐灵含量,并统计各小区的产量。
2. Field experiment was conducted to investigate the effects of treflan injection on dripper clogging and root distribution,yield and quality of winter wheat.
   通过田间试验,研究了地下滴灌施加氟乐灵对滴头根系入侵堵塞的控制效应及其对冬小麦产量、品质和根系分布的影响。

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