1) X\u01a1 D\u1eeba ch\u01b0a qua x\u1eed l\u00fd :<\/p>\n
X\u01a1 d\u1eeba \u0111\u01b0\u1ee3c xay ra t\u1eeb v\u1ecf d\u1eeba gi\u00e0 m\u00e0 ch\u01b0a qua c\u00f4ng \u0111o\u1ea1n x\u1eed l\u00fd ch\u1ea5t Tanin (ch\u1ea5t ch\u00e1t) v\u00e0 ch\u1ea5t Ligin (kh\u00f4ng th\u1ec3 th\u1ea5m h\u00fat n\u01b0\u1edbc).<\/p>\n
\u01afU \u0110I\u1ec2M :
\n– Gi\u00e1 th\u00e0nh h\u1ee3p l\u00fd.
\n– Kh\u00f4ng m\u1ea5t th\u1eddi gian v\u00e0 chi ph\u00ed nhi\u1ec1u cho qu\u00e1 tr\u00ecnh x\u1eed l\u00fd ch\u1ea5t Tanin v\u00e0 ch\u1ea5t Ligin.
\n– S\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c tr\u1ef1c ti\u1ebfp cho c\u00e1c lo\u1ea1i c\u00e2y tr\u1ed3ng c\u00f3 b\u1ed9 r\u1ec5 kh\u1ecfe m\u1ea1nh nh\u01b0 c\u00e2y xanh,c\u00e2y c\u00f4ng tr\u00ecnh b\u00f3ng m\u00e1t …<\/p>\n
NH\u01af\u1ee2C \u0110I\u1ec2M :
\n– H\u1ea1n ch\u1ebf s\u1ef1 ph\u00e1t tri\u1ec3n cho m\u1ed9t s\u1ed1 lo\u1ea1i c\u00e2y c\u00f3 b\u1ed5 r\u1ec5 y\u1ebfu, v\u00ed d\u1ee5 nh\u01b0 c\u00e1c lo\u1ea1i c\u00e2y tr\u1ed3ng trong nh\u00e0 m\u00e0ng nh\u01b0 d\u01b0a l\u01b0\u1edbi, d\u01b0a kim, c\u00e0 chua …
\n– D\u1ec5 b\u1ecb nhi\u1ec5m khu\u1eabn do m\u1ed9t s\u1ed1 vi sinh v\u1eadt c\u00f3 h\u1ea1i g\u00e2y ra.<\/p>\n
2) X\u01a1 D\u1eeba \u0111\u00e3 qua x\u1eed l\u00fd :<\/p>\n
X\u01a1 d\u1eeba \u0111\u01b0\u1ee3c xay ra t\u1eeb v\u1ecf d\u1eeba gi\u00e0 v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd lo\u1ea1i b\u1ecf ch\u1ea5t Tanin (ch\u1ea5t ch\u00e1t) v\u00e0 ch\u1ea5t Ligin (kh\u00f4ng th\u1ec3 th\u1ea5m h\u00fat n\u01b0\u1edbc) ra kh\u1ecfi x\u01a1 d\u1eeba.<\/p>\n
\u01afU \u0110I\u1ec2M :
\n– Gi\u00fap t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i c\u00e2y tr\u1ed3ng ph\u00e1t tri\u1ec3n t\u1ed1t h\u01a1n.
\n– Kh\u00f4ng b\u1ecb nhi\u1ec5m khu\u1ea9n.<\/p>\n
NH\u01af\u1ee2C \u0110I\u1ec2M :
\n– Gi\u00e1 th\u00e0nh cao do ph\u1ea3i m\u1ea5t th\u1eddi gian v\u00e0 chi ph\u00ed v\u1eadt t\u01b0 \u0111\u1ec3 x\u1eed l\u00fd ch\u1ea5t Tanin v\u00e0 Ligin<\/p>\n
L\u00c0M SAO \u0110\u1ec2 NH\u1eacN BI\u1ebeT \u0110\u01af\u1ee2C X\u01a0 D\u1eeaA X\u1eec L\u00dd V\u00c0 CH\u01afA QUA X\u1eec L\u00dd :<\/p>\n
1) Nh\u00ecn quan s\u00e1t m\u00e0u s\u1eafc :
\n– X\u01a1 d\u1eeba ch\u01b0a qua x\u1eed l\u00fd : c\u00f3 m\u00e0u v\u00e0ng nh\u1ea1t.
\n– X\u01a1 d\u1eeba \u0111\u00e3 qua x\u1eed l\u00fd : c\u00f3 m\u00e0u n\u00e2u s\u1eabm.<\/p>\n
2) B\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ecbnh l\u01b0\u1ee3ng :
\n– X\u01a1 d\u1eeba ch\u01b0a qua x\u1eed l\u00fd :
\nEC : > 2,5
\nPH : 5,5 – 6,5<\/p>\n
– X\u01a1 d\u1eeba \u0111\u00e3 qua x\u1eed l\u00fd :
\nEC : < = 0,5
\nPH : 6 – 7<\/p>\n","protected":false},"excerpt":{"rendered":"