Research at Ban Sanpong,Sanpathong,Chiengmai | 1980-1981 Threshing soy by machine. Threshing by hand or even by tractor is time consuming, so a machine has been hired to do the work. | Slide
Research at Ban Sanpong,Sanpathong,Chiengmai | 1980-1981 An onion bed covered with straw. Note the tree stumps in the background, where trees have been cleared to prepare the ground for cultivation. | Slide