A dosage of 5000-8500 ml in 1000 ppm of achromycin was used for the 11 years old orange trees with trunk diameter between 11.5~ 15cm.

  • 对主干中段的直径为11.5~15厘米的刚发病11龄甜橙树,注入每毫升合1000单位的盐酸四环素溶液5000~8500毫升。

  • 互联网摘选 2025-01-19 23:58:21

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