Photo: CEO Sunny Verghese Olam Olam International Ltd., a Singapore commodity trader controlled by the city’s state investment company and owner of considerable land holdings in South America, reported a 30 percent drop in third-quarter profit as sales of food staples declined and subsidiary like New Zealand Farm Systems continued to struggle.  Olam purchased 100% of NZFS in 2012 from its New Zealand based shareholders hoping to turn this 49 farm, 85,000 stock units around from previous years of below par…