\u0110\u00e1nh gi\u00e1 h\u00ecnh th\u00e1i c\u00e2y s\u1eafn cho ph\u00e9p n\u00f4ng d\u00e2n v\u00e0 c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 th\u1ec3 nh\u1eadn d\u1ea1ng gi\u1ed1ng ngay tr\u00ean \u0111\u1ed3ng ru\u1ed9ng. Hi\u1ec7n nay, t\u1ea1i Vi\u1ec7t Nam, c\u00f3 r\u1ea5t nhi\u1ec1u gi\u1ed1ng s\u1eafn \u0111\u01b0\u1ee3c canh t\u00e1c ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n t\u1ef1 nhi\u00ean v\u00e0 ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c nhau. Nghi\u00ean c\u1ee9u n\u00e0y t\u1eadp trung ph\u00e2n lo\u1ea1i 20 gi\u1ed1ng s\u1eafn ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam theo b\u1ed9 m\u00f4 t\u1ea3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a Vi\u1ec7n N\u00f4ng nghi\u1ec7p Nhi\u1ec7t \u0111\u1edbi Qu\u1ed1c t\u1ebf (IITA). B\u1eb1ng c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt li\u00ean quan t\u1edbi h\u00ecnh d\u1ea1ng v\u00e0 m\u00e0u s\u1eafc c\u00e1c b\u1ed9 ph\u1eadn ch\u00ednh nh\u01b0 l\u00e1, th\u00e2n v\u00e0 r\u1ec5, ch\u00fang t\u00f4i \u0111\u00e3 th\u00e0nh l\u1eadp b\u1ed9 m\u00f4 t\u1ea3 chi ti\u1ebft 20 gi\u1ed1ng s\u1eafn n\u00e0y v\u00e0 x\u00e2y d\u1ef1ng c\u00e2y ph\u00e2n lo\u1ea1i qua \u0111\u00f3 tr\u00ean \u0111\u1ed3ng ru\u1ed9ng d\u1ec5 d\u00e0ng v\u00e0 \u0111\u01a1n gi\u1ea3n nh\u1ea5t. B\u1eb1ng 20 ki\u1ec3u h\u00ecnh, nh\u00f3m t\u00e1c gi\u1ea3 \u0111\u00e3 chia ra 3 nh\u00f3m ch\u00ednh v\u00e0 t\u1eeb 3 nh\u00f3m ch\u00ednh ph\u00e2n chia 10 nh\u00f3m ph\u1ee5. <\/p>\n\n\n\n