In many countries weed control, soil fertility and the lack of effective water management (both drought and flooding) are the most important impediments to farming. Unfortunately, relatively very few agricultural research programs address these issues. Do we need to re-focus our research priorities, in order to achieve higher productivity and sustainability? To be clear, however, I am not implying that current research programs are unimportant. I am just wondering if we hitting the nail on the head here. What do you think?

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