Method for prevention and control of cadmium contamination of traditional Chinese medicine rhizoma coptidis
A technology of cadmium coptis and traditional Chinese medicine is applied in the field of preventing and controlling cadmium pollution of traditional Chinese medicine coptis chinensis. The effect of vitality
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[0024] The present invention provides an embodiment: a method for preventing and controlling cadmium pollution of Chinese medicine Coptidis Rhizoma, comprising the following steps:
[0025] (1) topdressing cultivation
[0026] Cultivate from September to October of this year, topdressing in the spring of the second, third, fourth, and fifth years, and topdressing once in the second, third, and fourth autumn (September-October) after seed collection and transplanting, for a total of eight times top dressing;
[0027] (2) Transplanting soil
[0028] After the second, third, and fourth autumn (9-10 months) topdressing after transplanting in step (1), the cadmium inhibitor and control agent is used to cultivate the soil, and the spraying amount of the cadmium inhibitor and control agent is 75-100Kg / mu;
[0029] In step (1), the topdressing material is farm manure: calcium superphosphate is mixed at a weight ratio of 5:1, and topdressing is carried out at an application rate of 2...
Embodiment 2
[0035] The present invention provides an embodiment: a method for preventing and controlling cadmium pollution of Chinese medicine Coptidis Rhizoma, comprising the following steps:
[0036] (1) topdressing cultivation
[0037] Cultivate from September to October of this year, topdressing in the spring of the second, third, fourth, and fifth years, and topdressing once in the second, third, and fourth autumn (September-October) after seed collection and transplanting, for a total of eight times top dressing;
[0038] (2) Transplanting soil
[0039] After the second, third, and fourth autumn (9-10 months) topdressing after transplanting in step (1), the cadmium inhibitor and control agent is used to cultivate the soil, and the spraying amount of the cadmium inhibitor and control agent is 75-100Kg / mu;
[0040] In step (1), the topdressing material is farm manure: calcium superphosphate is mixed at a weight ratio of 5:1, and topdressing is carried out at an application rate of 2...
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