Rice is the most important foodof“Sci-tech administration/scientificcrop in Vietnam,in which 45%research unit/bilateral enterprises”of farmland is used for plant-by implementing the project“Con-ing rice,producing rice accounting forstruction of Agriculture Science and85%of food yield[1].Rice in Vietnam isTechnology Demonstration Base ofmainly distributed in the Red riverChina and Vietnam”;and the way ofPlain and the Mekong River Plain,and“variety selection by plant observa-harvest......(论文页数是：6页) ，越语论文，越南语毕业论文 |
