At the same time, Chinese cabbage, lettuce and Lactuca sativa L were potted plant and fertilized at 1/4 the amount of the local vegetable fertilizer.

 
  • 按当地菜农施肥量的1/4量分期施肥,盆栽小白菜、生菜和油麦三种叶菜,并称取各自的经济产量。
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