The issues of yield increases for GM and no price premiums for non-GM were hot in the GM debate. Maarten Stapper wrote letters to the editor about these issues in late August 2007.
It was published as GM is losing clout in The Land of 23 August, which is shown below. The same letter appeared, without direct reference to Mark Martin’s article, in the Stock & Land of 30 August as GM no proven yield boon .
With some changes, There’s no yield advantage appeared in The Weekly Times of 29 August and shown at the bottom of this page.
In these letters, however, the statement “and creation of healthy soils, thereby increasing drought tolerance”, was omitted as the important management factor in more productive farming systems, following the stated need for skillful breeding and appropriate agronomy.
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