S24. How important is Equipment Cleaning in Organic Farming : A case study

Описание: In this video ScienceSmilesShorts presents a simple precaution : Cleaning of equipment in organic farming. This is an experience for us in the beginning of Non pesticide Management of chilli. The grower sincerely adapted all practices of Organic farming. However, we found pesticide residues in the finished product in traces. The product was failing and thus lost price and quality. A thorough investigation showed that the root cause was improper cleaning of the spray equipment. The cause appeared simple but had to a pay a high price|... Spray equipment should be thoroughly cleaned bearing in mind the insolubility (or minimal solubility) of pesticide formulations. They can penetrate into the product and adhere to the surface of equipment and cannot be simply washed with water. This concept is correlated with testing method of chemical pesticides in the laboratory. Also it has to be remembered the organic extracts too can be absorbed and retained on surfaces, only safe organic extracts as per literature and expert advice should be used. They however can be easily washed away with warm water and in our case we used soapnut extract. The cleaning agent is a matter of choice and experience.
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