Share 'Direct Planting Machine imported from Brazil'

Hi there, I saw one article on the introduction of rice direct planting machines imported from Brazil in Cambodia http://www.phnompenhpost.com/index.php/2009060426284/Business/Planting-machinery-imports-set-to-improve-rice-farming.html I have some concerns and I would like to get data or information about the advantages and disadvantages of using this machine. Please provide your inputs and co...