preplant

常見(jiàn)例句

• Yield advantage for irrigated corn to seven applications of N solutions versus preplant and two sidedress treatments is illustrated (Table 2).
  表2的結(jié)果表明，對(duì)于水澆地的玉米來(lái)說(shuō)，隨水施用7次氮肥的玉米產(chǎn)量明顯高于播前基施加上二次側(cè)施的處理。
• A control program might involve early preplant tillage to encourage germination of the weed seeds, followed by shallow tillage prior to planting to kill the emerged weeds.
  這樣，在耕地前想辦法促使雜草萌發(fā)，隨后在播種前淺耕將其殺滅。
• Keywords tungsten carbide;base;preplant;deposition;
  硬質(zhì)合金;基底;預(yù)植入;沉積;
• preplant treatment
  播前施用
• preplant herbicide
  移植前除草劑
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