From the Past. It is an interesting time to be leaning over the fences of America's Farms. The answers multiply and become contradictions. GM food remains contentious, though rarely because of specific hazards, and for reasons marginal to the risk-assessment procedure. There has been little expert disagreement, though a few scientists claim that the GM process generates unpredictable risks in food.
Different users assess expert opinion from different positions.
These involve different interests, and therefore, it is inevitable that the credibility of the opinion will be articulated differently. Case studies of rice and processing tomatoes show that harvest mechanization has reduced labor use by 92 percent to 97 percent and has also reduced labor costs, down from half to two-thirds of total costs to less than 20 percent. Thompson, J.F. and S.C Blank. Harvest Mechanization Helps Agriculture Remain Competitive. California Agriculture 54, no.