[j_m_b]

> while they do everything that this pests have a easy run

Which is exactly why we can produce so much food / acre. Land use would need to go up significantly, and thus the price of food, in order to be able to use "natural" methods of pest control. This would affect developing countries the most.

[tankenmate]

The article addresses this issue, it says that for soya bean there is no difference between treated seeds and non treated seeds. For corn there is a 2% difference but this was within statistical error for this study. The biggest way to boost crop yield is good quality fertiliser (organic or mineral).