Quality control substance of rapidly available potassium and slowly available potassium in soil
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Quality control substance of available potassium in organic fertilizers
RMK013 | 70g/瓶
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Quality control substances of Available Selenium in soil
RMU124 | 70g/瓶
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Quality control substances of Available Selenium in soil
RMU136 | 70g/瓶
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Quality control substances of Available Selenium in soil
RMU135 | 70g/瓶
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Available lead and cadmium quality control substances in soil
RMU159 | 500g/瓶
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Quality control substances of eight available elements in soil
RMU089d | 500g/瓶
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Quality control substances of available arsenic in paddy soil
RMU240 | 100g/瓶
Quality control substance of rapidly available potassium and slowly available potassium in soil
LY/T 1234-2015、NY/T 889-2004
火焰原子吸收分光光度法（FAAS）、火焰光度计。
速效钾（K）
239
13
mg/kg
缓效钾（K）
310
27
mg/kg
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