Bautista, Eulito U.; Javier, Evelyn F. - East Asian Bureau of Economic Research (EABER) - 2005
maximum yield potential of the varieties as well as in response to goals of higher productivity, greater efficiency, and, for … the need for greater efficiency and higher productivity. Although the first period has been characterized by single rice … limited by the plant itself so that labor productivity and time as well as efficiency were of less concern compared to the …