Yuav ua li cas yog tias cov tshuaj tsuag qhov siab ntawm boom sprayer qis dhau lawm?

Yog hais tias cov tshuaj tsuag qhov siab ntawm lub boom sprayer yog tsawg heev, cov tshuaj tsuag yuav muaj concentrated. Raws li cov ntaub ntawv tseem ceeb, cov tshuaj tsuag qhov concentration yuav ua rau muaj qhov loj hauv ib cheeb tsam, ua rau cov nroj tsuag hauv qab yuav tsum tau watered ntau dhau, yog li ua rau cov nroj tsuag hlawv, yellowing ntawm nplooj, cag tuag, thiab lwm yam.