Comparison of the effects of chemical topping agent sprayed by a uav and a boom sprayer on cotton growth

HIGHLIGHTS

• who: Zechen Dou et al. from the This study was conducted in , at two sitesThe first site was Beiquan town, Xinjiang Production and Construction Crops, Shihezi, (44◦ , N, ◦ , E), Xinjiang, China (Figure , and Table, ). The spraying was conducted on, th July, the average speed of the wind wasm·s-1, the relative humidity was, .90%, and the temperature was◦ C (Kestrel, Nielsen-Kellerman, Boothwyn, PA, USA). The second site was the Teaching Experimental Field of Shihezi University, Xinjiang Production and Construction Crops, Shihezi, (44◦ , N, ◦ , E), Xinjiang, China. The spraying was conducted on , July, the average speed . . .
  

   

  

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