Hi\u1ec7n nay s\u1ea3n xu\u1ea5t ngh\u1ec7 \u1edf n\u01b0\u1edbc ta v\u1eabn ch\u1ee7 y\u1ebfu \u00e1p d\u1ee5ng gi\u1ed1ng v\u00e0 k\u1ef9 thu\u1eadt canh t\u00e1c truy\u1ec1n th\u1ed1ng g\u1eafn li\u1ec1n v\u1edbi n\u0103ng su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 kinh t\u1ebf th\u1ea5p (L\u00ea C\u00f4ng H\u00f9ng v\u00e0 ctv., 2017). Do \u0111\u00f3, vi\u1ec7c t\u00ecm ki\u1ebfm nh\u1eefng gi\u1ed1ng ngh\u1ec7 c\u00f3 ti\u1ec1m n\u0103ng n\u0103ng su\u1ea5t cao, ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c n\u00e2ng cao hi\u1ec7u qu\u1ea3 kinh t\u1ebf. Tr\u00ean c\u01a1 s\u1edf \u0111\u00f3 2 gi\u1ed1ng ngh\u1ec7 v\u00e0ng tri\u1ec3n v\u1ecdng N8 v\u00e0 N9 \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u1ea3o nghi\u1ec7m s\u1ea3n xu\u1ea5t t\u1ea1i Thanh H\u00f3a, B\u1eafc Giang v\u00e0 H\u01b0ng Y\u00ean. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y c\u00e1c gi\u1ed1ng n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng t\u1ed1t. Chi\u1ec1u cao c\u00e2y, ch\u1ec9 s\u1ed1 di\u1ec7n t\u00edch l\u00e1, k\u00edch th\u01b0\u1edbc c\u1ee7; kh\u1ea3 n\u0103ng ch\u1ecbu n\u00f3ng, ch\u1ecbu h\u1ea1n, ch\u1ecbu r\u1ea7y xanh, r\u1ec7p s\u00e1p v\u00e0 b\u1ec7nh th\u1ed1i c\u1ee7 \u0111\u1ed3ng ru\u1ed9ng cao h\u01a1n c\u00e1c gi\u1ed1ng \u0111\u1ed1i ch\u1ee9ng. Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7 c\u1ee7a c\u00e1c gi\u1ed1ng ngh\u1ec7 v\u00e0ng t\u1ea1i c\u00e1c v\u00f9ng sinh th\u00e1i bi\u1ebfn \u0111\u1ed9ng t\u1eeb 788,9 – 1291,7 g\/kh\u00f3m, n\u0103ng su\u1ea5t l\u00fd thuy\u1ebft t\u1eeb 39,4 – 64,5 t\u1ea5n\/ha, n\u0103ng su\u1ea5t th\u1ef1c thu t\u1eeb 29,0 – 48,2 t\u1ea5n\/ha. Trong s\u1ed1 c\u00e1c gi\u1ed1ng nghi\u00ean c\u1ee9u th\u00ec c\u00e1c gi\u1ed1ng N8 v\u00e0 N9 lu\u00f4n \u0111\u1ea1t cao h\u01a1n gi\u1ed1ng \u0111\u1ed1i ch\u1ee9ng v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7, n\u0103ng su\u1ea5t l\u00fd thuy\u1ebft v\u00e0 n\u0103ng su\u1ea5t th\u1ef1c thu. K\u1ebft qu\u1ea3 ph\u00e2n t\u00edch h\u00e0m l\u01b0\u1ee3ng Curcumin v\u00e0 tinh d\u1ea7u cho th\u1ea5y gi\u1ed1ng ngh\u1ec7 v\u00e0ng N8 c\u00f3 h\u00e0m l\u01b0\u1ee3ng curcumin v\u01b0\u1ee3t tr\u1ed9i trong b\u1ed9 gi\u1ed1ng kh\u1ea3o nghi\u1ec7m, trong \u0111\u00f3 cao nh\u1ea5t t\u1ea1i Thanh H\u00f3a (6,5%), ti\u1ebfp \u0111\u1ebfn l\u00e0 B\u1eafc Giang (6,4%) v\u00e0 th\u1ea5p nh\u1ea5t t\u1ea1i H\u01b0ng Y\u00ean (6,0%). <\/p>\n\n\n\n
T\u1eeb kh\u00f3a:<\/strong> Gi\u1ed1ng ngh\u1ec7, N8, N9, v\u00f9ng sinh th\u00e1i, n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng<\/em><\/p>\n\n\n\n