Opinion / Op-Ed Contributors

Stronger chain of collaboration

By Mark Davis (China Daily) Updated: 2014-09-15 07:41

From farmers to consumers and everyone in between, more efforts are needed to ensure food in and from China is safe

"An apple a day keeps the doctor away", is an English idiom that encourages people to eat fresh fruit and vegetables to stay healthy. But how do you know if that apple is really healthy or whether it might send you to hospital with a dose of poison from the chemicals it contains?

We all depend on the produce of farmers for the high quality, cheap and plentiful food we expect to see in shops and markets. But spare a thought for the farmers who put it there. Farming is not an easy business. Farmers must make a living and they depend heavily on un-controllable natural processes. Farmers do their best to improve the situation and mitigate possible problems, because they want to maximize yield and get the best price for their produce. Fertilizers help to improve plant nutrition, irrigation keeps drought at bay and pesticides help control pests and diseases.

I lead a program at the United Nations Food and Agriculture Organization that helps countries to manage pests and pesticides in ways that will protect crops while also protecting the health of farmers, consumers and the environment. I have witnessed how the national and provincial authorities in China control pesticides, monitor pesticide residues in food and deal with problems such as unauthorized or excessive pesticide use.

China is among the top 3 percent of countries in the world that have a pesticide regulatory service with enough people, equipment and budget to permit it to function effectively. I have seen laboratories with the latest equipment to analyze residues in food. These machines can detect pesticides at concentrations in parts per billion. I have seen basic equipment given to farming cooperatives so that they can check whether their produce contains unexpected levels of pesticides before they send it to market. I have never seen such a system operating anywhere else, and it adds a valuable safeguard to the supply chain.

However, food safety does not and cannot only depend on government controls. The government cannot check the safety of every item, so they take samples randomly or target foods they know to be problematic. But there are others with important roles in ensuring food safety. Farmers must obey the rules so that they can keep selling their produce, because problematic batches of food can be traced to the farmer who grew them, who could lose his livelihood. Retailers too, want to ensure that the food they sell is safe so that customers will trust them. The bigger retailers carry out their own tests for food safety, and in some cases, have direct relationships with growers and can instruct them not to use certain pesticides to increase confidence in the safety of their produce.

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