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By applying ozone to cassava starch, a team of researchers in Brazil has managed to produce a more resistant and biodegradable type of plastic that can be used in various types of packaging - including those used to package food products - or as plastic bags.

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Scientists are creating a “super potato”, fortified with iron and zinc, in a bid to tackle malnutrition in developing countries. Potato is a staple crop in many parts of the world and researchers at the International Potato Centre (CIP) in Peru believe that a biofortified variety could have an important role to play in improving diets.

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The distribution of weeds is not homogeneous in rice fields: it usually appears in the form of patches, which suggests that pesticide applications is inefficient, since the application of herbicides in this type of crop is done uniformly, to full coverage.