The two wettish powders of Bordeaux nutritional protective powder and Kocide were evidently effect on pH value, effective iron content and effective copper content of the calcareous soil.

 
  • 三种不同的波尔多液营养保护剂以BNPP-Fe-Zn效果最好;能显著提高番茄不同生长期根茎叶中铁、锌和铜的含量;同时;成熟期番茄叶片中全铁、活性铁和全锌含量差异显著;与CK相比;分别提高了78.;7%25-104%25、65
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