N\u1ebfp tan nhe l\u00e0 gi\u1ed1ng l\u00faa n\u1ebfp \u0111\u1ecba ph\u01b0\u01a1ng c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u01b0\u1ee3c gieo tr\u1ed3ng ph\u1ed5 bi\u1ebfn tr\u00ean \u0111\u1ecba b\u00e0n huy\u1ec7n S\u00f4ng M\u00e3, t\u1ec9nh S\u01a1n La. Tuy nhi\u00ean hi\u1ec7n nay, n\u0103ng su\u1ea5t suy gi\u1ea3m v\u00e0 l\u1eabn t\u1ea1p do ng\u01b0\u1eddi d\u00e2n t\u1ef1 \u0111\u1ec3 gi\u1ed1ng su\u1ed1t qu\u00e1 tr\u00ecnh canh t\u00e1c l\u00e2u n\u0103m. Trong nghi\u00ean c\u1ee9u n\u00e0y, gi\u1ed1ng l\u00faa N\u1ebfp tan nhe \u0111\u01b0\u1ee3c \u0111i\u1ec1u tra, thu th\u1eadp \u1edf x\u00e3 Chi\u1ec1ng S\u01a1, huy\u1ec7n S\u00f4ng M\u00e3, t\u1ec9nh S\u01a1n La, sau \u0111\u00f3 ti\u1ebfn h\u00e0nh ph\u1ee5c tr\u00e1ng t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ch\u1ecdn l\u1ecdc d\u00f2ng thu\u1ea7n v\u00e0o v\u1ee5 m\u00f9a 2017, 2018 v\u00e0 2019. K\u1ebft qu\u1ea3 gi\u1ed1ng N\u1ebfp tan nhe \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u1ee5c tr\u00e1ng th\u00e0nh c\u00f4ng, 600 kg gi\u1ed1ng si\u00eau nguy\u00ean ch\u1ee7ng \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn \u0111\u1ea1t ti\u00eau chu\u1ea9n qu\u1ed1c gia TCVN 8548:2011 v\u00e0 TCVN 8550:2018. Gi\u1ed1ng sau ph\u1ee5c tr\u00e1ng trong m\u00f4 h\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a x\u00e3 Chi\u1ec1ng S\u01a1 n\u0103m 2020 \u0111\u1ea1t \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u cao, n\u0103ng su\u1ea5t 4,23 t\u1ea5n\/ha, t\u0103ng 12,2% so v\u1edbi qu\u1ea7n th\u1ec3 gi\u1ed1ng ch\u01b0a ph\u1ee5c tr\u00e1ng (3,77 t\u1ea5n\/ha).<\/p>\n