{"id":229110,"date":"2023-01-17T19:02:04","date_gmt":"2023-01-18T00:02:04","guid":{"rendered":"https:\/\/www.crystalclutch.com\/is-a-christmas-cactus-an-acid-loving-plant\/"},"modified":"2025-08-01T08:56:20","modified_gmt":"2025-08-01T12:56:20","slug":"is-a-christmas-cactus-an-acid-loving-plant","status":"publish","type":"post","link":"https:\/\/www.crystalclutch.com\/vi\/is-a-christmas-cactus-an-acid-loving-plant\/","title":{"rendered":"C\u00e2y x\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng sinh c\u00f3 c\u1ea7n \u0111\u1ea5t chua kh\u00f4ng?"},"content":{"rendered":"<p>C\u00e2y x\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh (Schlumbergera), v\u1edbi nh\u1eefng ch\u00f9m hoa r\u1ef1c r\u1ee1 n\u1edf v\u00e0o m\u00f9a \u0111\u00f4ng, \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t bi\u1ec3u t\u01b0\u1ee3ng quen thu\u1ed9c trong nhi\u1ec1u gia \u0111\u00ecnh. Kh\u00e1c bi\u1ec7t v\u1edbi h\u00ecnh \u1ea3nh x\u01b0\u01a1ng r\u1ed3ng kh\u00f4 c\u1eb1n c\u1ee7a sa m\u1ea1c, lo\u00e0i c\u00e2y n\u00e0y mang v\u1ebb \u0111\u1eb9p m\u1ec1m m\u1ea1i v\u00e0 \u0111\u1ed9c \u0111\u00e1o, g\u1ee3i nh\u1edb \u0111\u1ebfn nh\u1eefng khu r\u1eebng nhi\u1ec7t \u0111\u1edbi \u1ea9m \u01b0\u1edbt. S\u1ef1 ph\u1ed5 bi\u1ebfn c\u1ee7a n\u00f3 \u0111\u00e3 l\u00e0m d\u1ea5y l\u00ean nhi\u1ec1u c\u00e2u h\u1ecfi v\u1ec1 nhu c\u1ea7u ch\u0103m s\u00f3c c\u1ee5 th\u1ec3, v\u00e0 m\u1ed9t trong nh\u1eefng th\u1eafc m\u1eafc th\u01b0\u1eddng g\u1eb7p nh\u1ea5t l\u00e0 li\u1ec7u x\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh c\u00f3 ph\u1ea3i l\u00e0 lo\u1ea1i c\u00e2y \u01b0a axit hay kh\u00f4ng. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e2y ph\u00e1t tri\u1ec3n kh\u1ecfe m\u1ea1nh v\u00e0 ra hoa \u0111\u1ec1u \u0111\u1eb7n, vi\u1ec7c hi\u1ec3u r\u00f5 v\u1ec1 nhu c\u1ea7u \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng, b\u1edfi n\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 ch\u1ea5t dinh d\u01b0\u1ee1ng c\u1ee7a c\u00e2y.<\/p>\n<h3>1. Hi\u1ec3u v\u1ec1 C\u00e2y X\u01b0\u01a1ng R\u1ed3ng Gi\u00e1ng Sinh (Schlumbergera)<\/h3>\n<p>\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh nhu c\u1ea7u \u0111\u1ed9 pH c\u1ee7a x\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh, tr\u01b0\u1edbc h\u1ebft ch\u00fang ta c\u1ea7n t\u00ecm hi\u1ec3u v\u1ec1 ngu\u1ed3n g\u1ed1c v\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1ed1ng t\u1ef1 nhi\u00ean c\u1ee7a ch\u00fang. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c lo\u00e0i x\u01b0\u01a1ng r\u1ed3ng sa m\u1ea1c \u0111i\u1ec3n h\u00ecnh m\u1ecdc tr\u00ean \u0111\u1ea5t c\u00e1t kh\u00f4 c\u1eb1n d\u01b0\u1edbi \u00e1nh n\u1eafng gay g\u1eaft, x\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh l\u00e0 lo\u00e0i bi\u1ec3u sinh (epiphytic) ho\u1eb7c th\u1ea1ch sinh (lithophytic). \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 trong t\u1ef1 nhi\u00ean, ch\u00fang th\u01b0\u1eddng b\u00e1m v\u00e0o th\u00e2n c\u00e2y ho\u1eb7c k\u1ebd \u0111\u00e1 trong c\u00e1c khu r\u1eebng nhi\u1ec7t \u0111\u1edbi \u1ea9m \u01b0\u1edbt \u1edf Brazil.<\/p>\n<p>R\u1ec5 c\u1ee7a ch\u00fang kh\u00f4ng \u0111\u00e2m s\u00e2u v\u00e0o \u0111\u1ea5t m\u00e0 ph\u00e1t tri\u1ec3n trong l\u1edbp m\u00f9n h\u1eefu c\u01a1 t\u00edch t\u1ee5 tr\u00ean c\u00e0nh c\u00e2y ho\u1eb7c trong c\u00e1c khe \u0111\u00e1. L\u1edbp m\u00f9n n\u00e0y bao g\u1ed3m l\u00e1 c\u00e2y r\u1ee5ng, v\u1ecf c\u00e2y m\u1ee5c n\u00e1t v\u00e0 c\u00e1c v\u1eadt li\u1ec7u h\u1eefu c\u01a1 kh\u00e1c \u0111ang ph\u00e2n h\u1ee7y. M\u00f4i tr\u01b0\u1eddng n\u00e0y cung c\u1ea5p \u0111\u1ed9 \u1ea9m c\u1ea7n thi\u1ebft v\u00e0 m\u1ed9t l\u01b0\u1ee3ng l\u1edbn ch\u1ea5t dinh d\u01b0\u1ee1ng t\u1eeb t\u1eeb \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0, l\u1edbp m\u00f9n h\u1eefu c\u01a1 n\u00e0y th\u01b0\u1eddng c\u00f3 xu h\u01b0\u1edbng h\u01a1i axit ho\u1eb7c trung t\u00ednh. Vi\u1ec7c hi\u1ec3u r\u00f5 ngu\u1ed3n g\u1ed1c n\u00e0y l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nhu c\u1ea7u v\u1ec1 \u0111\u1ea5t v\u00e0 \u0111\u1ed9 pH ph\u00f9 h\u1ee3p khi tr\u1ed3ng x\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh t\u1ea1i nh\u00e0.<\/p>\n<h3>2. \u0110\u1ed9 pH c\u1ee7a \u0110\u1ea5t v\u00e0 Vai tr\u00f2 c\u1ee7a n\u00f3 \u0111\u1ed1i v\u1edbi Th\u1ef1c v\u1eadt<\/h3>\n<p>\u0110\u1ed9 pH l\u00e0 m\u1ed9t th\u01b0\u1edbc \u0111o v\u1ec1 t\u00ednh axit ho\u1eb7c t\u00ednh ki\u1ec1m c\u1ee7a m\u1ed9t dung d\u1ecbch ho\u1eb7c m\u00f4i tr\u01b0\u1eddng, trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y l\u00e0 \u0111\u1ea5t. Thang \u0111o pH dao \u0111\u1ed9ng t\u1eeb 0 \u0111\u1ebfn 14:<\/p>\n<ul>\n<li><strong>pH d\u01b0\u1edbi 7:<\/strong> C\u00f3 t\u00ednh axit.<\/li>\n<li><strong>pH b\u1eb1ng 7:<\/strong> Trung t\u00ednh.<\/li>\n<li><strong>pH tr\u00ean 7:<\/strong> C\u00f3 t\u00ednh ki\u1ec1m (hay c\u00f2n g\u1ecdi l\u00e0 baz\u01a1).<\/li>\n<\/ul>\n<p>\u0110\u1ed9 pH c\u1ee7a \u0111\u1ea5t c\u00f3 vai tr\u00f2 c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng v\u00ec n\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng thi\u1ebft y\u1ebfu. M\u1ed7i lo\u1ea1i c\u00e2y c\u00f3 m\u1ed9t ph\u1ea1m vi pH t\u1ed1i \u01b0u m\u00e0 t\u1ea1i \u0111\u00f3 ch\u00fang c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 ch\u1ea5t dinh d\u01b0\u1ee1ng hi\u1ec7u qu\u1ea3 nh\u1ea5t. Khi \u0111\u1ed9 pH qu\u00e1 cao ho\u1eb7c qu\u00e1 th\u1ea5p so v\u1edbi ph\u1ea1m vi l\u00fd t\u01b0\u1edfng c\u1ee7a c\u00e2y, m\u1ed9t s\u1ed1 ch\u1ea5t dinh d\u01b0\u1ee1ng c\u00f3 th\u1ec3 b\u1ecb &quot;kh\u00f3a ch\u1eb7t&quot; trong \u0111\u1ea5t, khi\u1ebfn c\u00e2y kh\u00f4ng th\u1ec3 ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c, ngay c\u1ea3 khi ch\u00fang c\u00f3 m\u1eb7t \u0111\u1ea7y \u0111\u1ee7. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &quot;kh\u00f3a dinh d\u01b0\u1ee1ng&quot; (nutrient lockout).<\/p>\n<p>V\u00ed d\u1ee5, trong \u0111\u1ea5t qu\u00e1 ki\u1ec1m, c\u00e1c vi ch\u1ea5t dinh d\u01b0\u1ee1ng nh\u01b0 s\u1eaft, mangan, k\u1ebdm v\u00e0 \u0111\u1ed3ng th\u01b0\u1eddng tr\u1edf n\u00ean \u00edt kh\u1ea3 d\u1ee5ng h\u01a1n \u0111\u1ed1i v\u1edbi c\u00e2y. Ng\u01b0\u1ee3c l\u1ea1i, trong \u0111\u1ea5t qu\u00e1 axit, m\u1ed9t s\u1ed1 ch\u1ea5t dinh d\u01b0\u1ee1ng kh\u00e1c nh\u01b0 ph\u1ed1t pho, canxi v\u00e0 magie c\u00f3 th\u1ec3 b\u1ecb h\u1ea1n ch\u1ebf, v\u00e0 th\u1eadm ch\u00ed m\u1ed9t s\u1ed1 kim lo\u1ea1i nh\u01b0 nh\u00f4m c\u00f3 th\u1ec3 tr\u1edf n\u00ean \u0111\u1ed9c h\u1ea1i \u1edf n\u1ed3ng \u0111\u1ed9 cao. Do \u0111\u00f3, vi\u1ec7c duy tr\u00ec \u0111\u1ed9 pH ph\u00f9 h\u1ee3p l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft \u0111\u1ec3 c\u00e2y tr\u1ed3ng ph\u00e1t tri\u1ec3n kh\u1ecfe m\u1ea1nh, xanh t\u1ed1t v\u00e0 ra hoa \u0111\u00fang v\u1ee5.<\/p>\n<h3>3. Nhu c\u1ea7u pH c\u1ee7a C\u00e2y X\u01b0\u01a1ng R\u1ed3ng Gi\u00e1ng Sinh<\/h3>\n<p>Sau khi t\u00ecm hi\u1ec3u v\u1ec1 ngu\u1ed3n g\u1ed1c v\u00e0 vai tr\u00f2 c\u1ee7a \u0111\u1ed9 pH, ch\u00fang ta c\u00f3 th\u1ec3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi c\u1ed1t l\u00f5i: x\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh c\u00f3 ph\u1ea3i l\u00e0 lo\u1ea1i c\u00e2y \u01b0a axit m\u1ea1nh kh\u00f4ng? C\u00e2u tr\u1ea3 l\u1eddi l\u00e0 kh\u00f4ng. X\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e2y \u01b0a axit m\u1ea1nh nh\u01b0 hoa \u0111\u1ed7 quy\u00ean hay vi\u1ec7t qu\u1ea5t, nh\u01b0ng ch\u00fang l\u1ea1i ph\u00e1t tri\u1ec3n t\u1ed1t nh\u1ea5t trong m\u00f4i tr\u01b0\u1eddng \u0111\u1ea5t c\u00f3 t\u00ednh axit nh\u1eb9 \u0111\u1ebfn trung t\u00ednh.<\/p>\n<p>Ph\u1ea1m vi pH l\u00fd t\u01b0\u1edfng cho x\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng t\u1eeb <strong>5.5 \u0111\u1ebfn 6.5<\/strong>. M\u1ed9t s\u1ed1 ngu\u1ed3n kh\u00e1c c\u00f3 th\u1ec3 g\u1ee3i \u00fd ph\u1ea1m vi t\u1eeb 6.0 \u0111\u1ebfn 7.0, nh\u01b0ng \u0111i\u1ec3m chung l\u00e0 ch\u00fang th\u00edch nghi v\u1edbi m\u00f4i tr\u01b0\u1eddng h\u01a1i axit ho\u1eb7c trung t\u00ednh, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 l\u1edbp m\u00f9n h\u1eefu c\u01a1 trong m\u00f4i tr\u01b0\u1eddng s\u1ed1ng t\u1ef1 nhi\u00ean c\u1ee7a ch\u00fang.<\/p>\n<ul>\n<li><strong>Khi pH qu\u00e1 cao (\u0111\u1ea5t ki\u1ec1m):<\/strong> \u0110\u00e2y l\u00e0 v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn h\u01a1n \u0111\u1ed1i v\u1edbi x\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh. \u0110\u1ea5t ki\u1ec1m c\u00f3 th\u1ec3 khi\u1ebfn c\u00e2y kh\u00f3 h\u1ea5p th\u1ee5 c\u00e1c vi ch\u1ea5t dinh d\u01b0\u1ee1ng quan tr\u1ecdng nh\u01b0 s\u1eaft v\u00e0 mangan. D\u1ea5u hi\u1ec7u ph\u1ed5 bi\u1ebfn c\u1ee7a t\u00ecnh tr\u1ea1ng n\u00e0y l\u00e0 l\u00e1 c\u00e2y b\u1ecb v\u00e0ng (hi\u1ec7n t\u01b0\u1ee3ng chlorosis), \u0111\u1eb7c bi\u1ec7t l\u00e0 gi\u1eefa c\u00e1c g\u00e2n l\u00e1 v\u1eabn c\u00f2n xanh, trong khi c\u00e1c phi\u1ebfn l\u00e1 kh\u00e1c chuy\u1ec3n sang m\u00e0u v\u00e0ng nh\u1ea1t ho\u1eb7c tr\u1eafng. C\u00e2y c\u0169ng c\u00f3 th\u1ec3 k\u00e9m ph\u00e1t tri\u1ec3n, c\u00f2i c\u1ecdc v\u00e0 ra hoa \u00edt h\u01a1n.<\/li>\n<li><strong>Khi pH qu\u00e1 th\u1ea5p (\u0111\u1ea5t axit m\u1ea1nh):<\/strong> T\u00ecnh tr\u1ea1ng \u0111\u1ea5t qu\u00e1 axit hi\u1ebfm khi x\u1ea3y ra \u0111\u1ed1i v\u1edbi x\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh n\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng gi\u00e1 th\u1ec3 tr\u1ed3ng c\u00e2y ph\u00f9 h\u1ee3p. Tuy nhi\u00ean, n\u1ebfu x\u1ea3y ra, n\u00f3 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c h\u1ea5p th\u1ee5 m\u1ed9t s\u1ed1 kho\u00e1ng ch\u1ea5t kh\u00e1c b\u1ecb h\u1ea1n ch\u1ebf ho\u1eb7c t\u0103ng n\u1ed3ng \u0111\u1ed9 c\u1ee7a c\u00e1c y\u1ebfu t\u1ed1 c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y \u0111\u1ed9c.<\/li>\n<\/ul>\n<p>Vi\u1ec7c duy tr\u00ec \u0111\u1ed9 pH trong ph\u1ea1m vi l\u00fd t\u01b0\u1edfng gi\u00fap c\u00e2y x\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh h\u1ea5p th\u1ee5 \u0111\u1ea7y \u0111\u1ee7 c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng c\u1ea7n thi\u1ebft t\u1eeb gi\u00e1 th\u1ec3, t\u1eeb \u0111\u00f3 \u0111\u1ea3m b\u1ea3o s\u1ee9c kh\u1ecfe t\u1ed5ng th\u1ec3 v\u00e0 kh\u1ea3 n\u0103ng ra hoa r\u1ef1c r\u1ee1.<\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng so s\u00e1nh nhu c\u1ea7u pH c\u1ee7a x\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh v\u1edbi m\u1ed9t s\u1ed1 lo\u1ea1i c\u00e2y ph\u1ed5 bi\u1ebfn kh\u00e1c:<\/p>\n<p><strong>B\u1ea3ng 1: So s\u00e1nh Nhu c\u1ea7u pH c\u1ee7a c\u00e1c Lo\u1ea1i Th\u1ef1c v\u1eadt Ph\u1ed5 bi\u1ebfn<\/strong><\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th style=\"text-align: left;\">Lo\u1ea1i Th\u1ef1c v\u1eadt<\/th>\n<th style=\"text-align: left;\">Ph\u1ea1m vi pH T\u1ed1i \u01b0u<\/th>\n<th style=\"text-align: left;\">\u0110\u1eb7c \u0111i\u1ec3m Nhu c\u1ea7u pH<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\">C\u00e2y X\u01b0\u01a1ng R\u1ed3ng Gi\u00e1ng Sinh<\/td>\n<td style=\"text-align: left;\">5.5 &#8211; 6.5<\/td>\n<td style=\"text-align: left;\">H\u01a1i axit \u0111\u1ebfn trung t\u00ednh<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">Vi\u1ec7t qu\u1ea5t (Blueberries)<\/td>\n<td style=\"text-align: left;\">4.0 &#8211; 5.5<\/td>\n<td style=\"text-align: left;\">\u01afa axit m\u1ea1nh<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">Hoa \u0110\u1ed7 Quy\u00ean (Azaleas)<\/td>\n<td style=\"text-align: left;\">4.5 &#8211; 6.0<\/td>\n<td style=\"text-align: left;\">\u01afa axit<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">Hoa H\u1ed3ng (Roses)<\/td>\n<td style=\"text-align: left;\">6.0 &#8211; 7.0<\/td>\n<td style=\"text-align: left;\">H\u01a1i axit \u0111\u1ebfn trung t\u00ednh<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">C\u00e2y C\u1ea3nh Th\u00f4ng Th\u01b0\u1eddng (VD: Tr\u1ea7u b\u00e0)<\/td>\n<td style=\"text-align: left;\">6.0 &#8211; 7.0<\/td>\n<td style=\"text-align: left;\">Trung t\u00ednh \u0111\u1ebfn h\u01a1i axit<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">C\u00e0 Chua (Tomatoes)<\/td>\n<td style=\"text-align: left;\">6.0 &#8211; 6.8<\/td>\n<td style=\"text-align: left;\">H\u01a1i axit \u0111\u1ebfn trung t\u00ednh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>4. \u0110i\u1ec1u ki\u1ec7n Tr\u1ed3ng Tr\u1ecdt L\u00fd t\u01b0\u1edfng cho X\u01b0\u01a1ng R\u1ed3ng Gi\u00e1ng Sinh (Li\u00ean quan \u0111\u1ebfn pH)<\/h3>\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e2y x\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh c\u1ee7a b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ed9 pH l\u00fd t\u01b0\u1edfng, vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u00e1 th\u1ec3 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u0103m s\u00f3c ph\u00f9 h\u1ee3p l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n<ul>\n<li>\n<p><strong>Gi\u00e1 th\u1ec3 (Potting Mix):<\/strong><br \/>\nGi\u00e1 th\u1ec3 l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH ban \u0111\u1ea7u v\u00e0 kh\u1ea3 n\u0103ng tho\u00e1t n\u01b0\u1edbc c\u1ee7a c\u00e2y. X\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh c\u1ea7n m\u1ed9t lo\u1ea1i gi\u00e1 th\u1ec3 tho\u00e1t n\u01b0\u1edbc c\u1ef1c t\u1ed1t, tho\u00e1ng kh\u00ed v\u00e0 gi\u00e0u ch\u1ea5t h\u1eefu c\u01a1, m\u00f4 ph\u1ecfng m\u00f4i tr\u01b0\u1eddng s\u1ed1ng t\u1ef1 nhi\u00ean c\u1ee7a ch\u00fang.<\/p>\n<ul>\n<li><strong>Th\u00e0nh ph\u1ea7n n\u00ean c\u00f3:<\/strong> R\u00eau than b\u00f9n (peat moss), v\u1ecf c\u00e2y th\u00f4ng v\u1ee5n (pine bark), d\u1eeba v\u1ee5n (coco coir), perlite ho\u1eb7c vermiculite.<\/li>\n<li><strong>R\u00eau than b\u00f9n v\u00e0 d\u1eeba v\u1ee5n<\/strong> th\u01b0\u1eddng c\u00f3 t\u00ednh axit nh\u1eb9, gi\u00fap duy tr\u00ec \u0111\u1ed9 pH mong mu\u1ed1n.<\/li>\n<li>Tr\u00e1nh s\u1eed d\u1ee5ng \u0111\u1ea5t v\u01b0\u1eddn th\u00f4ng th\u01b0\u1eddng v\u00ec ch\u00fang qu\u00e1 n\u1eb7ng, gi\u1eef n\u01b0\u1edbc l\u00e2u v\u00e0 c\u00f3 th\u1ec3 c\u00f3 \u0111\u1ed9 pH kh\u00f4ng ph\u00f9 h\u1ee3p.<\/li>\n<li>B\u1ea1n c\u00f3 th\u1ec3 mua gi\u00e1 th\u1ec3 chuy\u00ean d\u1ee5ng cho phong lan ho\u1eb7c x\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh, ho\u1eb7c t\u1ef1 tr\u1ed9n theo t\u1ef7 l\u1ec7 2 ph\u1ea7n r\u00eau than b\u00f9n\/d\u1eeba v\u1ee5n, 1 ph\u1ea7n v\u1ecf c\u00e2y th\u00f4ng v\u1ee5n, 1 ph\u1ea7n perlite\/vermiculite.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>N\u01b0\u1edbc t\u01b0\u1edbi (Watering):<\/strong><br \/>\nCh\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc t\u01b0\u1edbi c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a gi\u00e1 th\u1ec3 theo th\u1eddi gian.<\/p>\n<ul>\n<li><strong>N\u01b0\u1edbc m\u00e1y c\u1ee9ng (hard water)<\/strong> th\u01b0\u1eddng c\u00f3 t\u00ednh ki\u1ec1m cao do ch\u1ee9a nhi\u1ec1u kho\u00e1ng ch\u1ea5t nh\u01b0 canxi v\u00e0 magie. Vi\u1ec7c t\u01b0\u1edbi n\u01b0\u1edbc m\u00e1y c\u1ee9ng th\u01b0\u1eddng xuy\u00ean c\u00f3 th\u1ec3 d\u1ea7n d\u1ea7n l\u00e0m t\u0103ng \u0111\u1ed9 pH c\u1ee7a gi\u00e1 th\u1ec3, \u0111\u1ea9y n\u00f3 ra kh\u1ecfi ph\u1ea1m vi l\u00fd t\u01b0\u1edfng c\u1ee7a c\u00e2y.<\/li>\n<li><strong>N\u00ean \u01b0u ti\u00ean s\u1eed d\u1ee5ng n\u01b0\u1edbc m\u01b0a ho\u1eb7c n\u01b0\u1edbc c\u1ea5t\/n\u01b0\u1edbc l\u1ecdc<\/strong> n\u1ebfu c\u00f3 th\u1ec3. N\u1ebfu ch\u1ec9 c\u00f3 n\u01b0\u1edbc m\u00e1y, h\u00e3y \u0111\u1ec3 n\u01b0\u1edbc l\u1eafng trong 24 gi\u1edd \u0111\u1ec3 clo bay h\u01a1i b\u1edbt, ho\u1eb7c c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng b\u1ed9 l\u1ecdc n\u01b0\u1edbc.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Ph\u00e2n b\u00f3n (Fertilizing):<\/strong><br \/>\nPh\u00e2n b\u00f3n c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t.<\/p>\n<ul>\n<li>S\u1eed d\u1ee5ng ph\u00e2n b\u00f3n c\u00e2n b\u1eb1ng (v\u00ed d\u1ee5 NPK 10-10-10) ho\u1eb7c ph\u00e2n b\u00f3n c\u00f3 h\u00e0m l\u01b0\u1ee3ng ph\u1ed1t pho (P) v\u00e0 kali (K) cao h\u01a1n m\u1ed9t ch\u00fat trong giai \u0111o\u1ea1n ra hoa (v\u00ed d\u1ee5 5-10-10 ho\u1eb7c 0-10-10).<\/li>\n<li>N\u00ean ch\u1ecdn ph\u00e2n b\u00f3n c\u00f3 nh\u00e3n hi\u1ec7u &quot;axit&quot; ho\u1eb7c &quot;ph\u00f9 h\u1ee3p cho c\u00e2y \u01b0a axit nh\u1eb9&quot; n\u1ebfu b\u1ea1n nghi ng\u1edd \u0111\u1ed9 pH \u0111\u1ea5t c\u1ee7a m\u00ecnh \u0111ang qu\u00e1 cao. Tuy nhi\u00ean, n\u1ebfu gi\u00e1 th\u1ec3 v\u00e0 n\u01b0\u1edbc t\u01b0\u1edbi \u0111\u00e3 ph\u00f9 h\u1ee3p, vi\u1ec7c n\u00e0y c\u00f3 th\u1ec3 kh\u00f4ng c\u1ea7n thi\u1ebft.<\/li>\n<li>Lu\u00f4n pha lo\u00e3ng ph\u00e2n b\u00f3n theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 tr\u00e1nh &quot;\u0111\u1ed1t&quot; r\u1ec5 c\u00e2y v\u00e0 t\u00edch t\u1ee5 mu\u1ed1i trong gi\u00e1 th\u1ec3, \u0111i\u1ec1u n\u00e0y c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn pH.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Ki\u1ec3m tra \u0111\u1ed9 pH:<\/strong><br \/>\nN\u1ebfu c\u00e2y c\u1ee7a b\u1ea1n c\u00f3 d\u1ea5u hi\u1ec7u kh\u00f4ng kh\u1ecfe m\u1ea1nh m\u00e0 kh\u00f4ng r\u00f5 nguy\u00ean nh\u00e2n, vi\u1ec7c ki\u1ec3m tra \u0111\u1ed9 pH c\u1ee7a gi\u00e1 th\u1ec3 l\u00e0 m\u1ed9t b\u01b0\u1edbc h\u1eefu \u00edch.<\/p>\n<ul>\n<li>B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u1ed9 d\u1ee5ng c\u1ee5 ki\u1ec3m tra pH \u0111\u1ea5t mua t\u1ea1i c\u00e1c c\u1eeda h\u00e0ng c\u00e2y c\u1ea3nh.<\/li>\n<li>C\u00e1c d\u1ea5u hi\u1ec7u nh\u01b0 l\u00e1 v\u00e0ng b\u1ea5t th\u01b0\u1eddng (chlorosis) l\u00e0 m\u1ed9t ch\u1ec9 b\u00e1o m\u1ea1nh m\u1ebd v\u1ec1 v\u1ea5n \u0111\u1ec1 pH kh\u00f4ng ph\u00f9 h\u1ee3p.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng t\u00f3m t\u1eaft c\u00e1c d\u1ea5u hi\u1ec7u v\u00e0 gi\u1ea3i ph\u00e1p khi \u0111\u1ed9 pH kh\u00f4ng ph\u00f9 h\u1ee3p:<\/p>\n<p><strong>B\u1ea3ng 2: D\u1ea5u hi\u1ec7u v\u00e0 Gi\u1ea3i ph\u00e1p khi \u0111\u1ed9 pH kh\u00f4ng ph\u00f9 h\u1ee3p<\/strong><\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th style=\"text-align: left;\">V\u1ea5n \u0111\u1ec1 \u0110\u1ed9 pH<\/th>\n<th style=\"text-align: left;\">D\u1ea5u hi\u1ec7u tr\u00ean c\u00e2y<\/th>\n<th style=\"text-align: left;\">Gi\u1ea3i ph\u00e1p \u0111\u1ec1 xu\u1ea5t<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>pH qu\u00e1 cao (Ki\u1ec1m)<\/strong><\/td>\n<td style=\"text-align: left;\">L\u00e1 v\u00e0ng (chlorosis), \u0111\u1eb7c bi\u1ec7t gi\u1eefa c\u00e1c g\u00e2n l\u00e1; c\u00e2y c\u00f2i c\u1ecdc; ra hoa k\u00e9m.<\/td>\n<td style=\"text-align: left;\">&#8211; S\u1eed d\u1ee5ng n\u01b0\u1edbc m\u01b0a ho\u1eb7c n\u01b0\u1edbc l\u1ecdc\/n\u01b0\u1edbc c\u1ea5t \u0111\u1ec3 t\u01b0\u1edbi.- Tr\u1ed9n th\u00eam r\u00eau than b\u00f9n (peat moss) ho\u1eb7c d\u1eeba v\u1ee5n (coco coir) v\u00e0o gi\u00e1 th\u1ec3 (khi thay ch\u1eadu).- S\u1eed d\u1ee5ng ph\u00e2n b\u00f3n c\u00f3 t\u00ednh axit nh\u1eb9 (cho c\u00e2y \u01b0a axit).<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>pH qu\u00e1 th\u1ea5p (Axit m\u1ea1nh)<\/strong><\/td>\n<td style=\"text-align: left;\">C\u00e2y c\u00f2i c\u1ecdc, r\u1ec5 y\u1ebfu, l\u00e1 c\u00f3 th\u1ec3 b\u1ecb ch\u00e1y \u0111\u1ea7u (\u00edt ph\u1ed5 bi\u1ebfn v\u1edbi x\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh).<\/td>\n<td style=\"text-align: left;\">&#8211; (R\u1ea5t hi\u1ebfm khi c\u1ea7n) Th\u00eam m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf v\u00f4i l\u00e0m v\u01b0\u1eddn (limestone) \u0111\u1ec3 t\u0103ng pH.- \u0110\u1ea3m b\u1ea3o gi\u00e1 th\u1ec3 c\u00f3 th\u00e0nh ph\u1ea7n c\u00e2n b\u1eb1ng, kh\u00f4ng qu\u00e1 nhi\u1ec1u ch\u1ea5t t\u1ea1o axit m\u1ea1nh.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Vi\u1ec7c theo d\u00f5i v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH n\u1ebfu c\u1ea7n thi\u1ebft s\u1ebd gi\u00fap x\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh c\u1ee7a b\u1ea1n duy tr\u00ec s\u1ee9c kh\u1ecfe t\u1ed1t v\u00e0 khoe s\u1eafc r\u1ef1c r\u1ee1 m\u1ed7i m\u00f9a \u0111\u00f4ng.<\/p>\n<p>T\u00f3m l\u1ea1i, c\u00e2y x\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh kh\u00f4ng ph\u1ea3i l\u00e0 lo\u00e0i c\u00e2y \u01b0a axit m\u1ea1nh, m\u00e0 thay v\u00e0o \u0111\u00f3, ch\u00fang ph\u00e1t tri\u1ec3n m\u1ea1nh nh\u1ea5t trong m\u00f4i tr\u01b0\u1eddng \u0111\u1ea5t c\u00f3 t\u00ednh axit nh\u1eb9 \u0111\u1ebfn trung t\u00ednh, v\u1edbi \u0111\u1ed9 pH l\u00fd t\u01b0\u1edfng trong kho\u1ea3ng 5.5 \u0111\u1ebfn 6.5. Vi\u1ec7c hi\u1ec3u r\u00f5 nhu c\u1ea7u n\u00e0y, b\u1eaft ngu\u1ed3n t\u1eeb m\u00f4i tr\u01b0\u1eddng s\u1ed1ng bi\u1ec3u sinh t\u1ef1 nhi\u00ean c\u1ee7a ch\u00fang trong c\u00e1c khu r\u1eebng nhi\u1ec7t \u0111\u1edbi \u1ea9m \u01b0\u1edbt, l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 ch\u0103m s\u00f3c c\u00e2y th\u00e0nh c\u00f4ng. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng gi\u00e1 th\u1ec3 tho\u00e1t n\u01b0\u1edbc t\u1ed1t, gi\u00e0u ch\u1ea5t h\u1eefu c\u01a1 nh\u01b0 r\u00eau than b\u00f9n v\u00e0 d\u1eeba v\u1ee5n, v\u00e0 t\u01b0\u1edbi b\u1eb1ng n\u01b0\u1edbc c\u00f3 \u0111\u1ed9 pH ph\u00f9 h\u1ee3p (\u01b0u ti\u00ean n\u01b0\u1edbc m\u01b0a ho\u1eb7c n\u01b0\u1edbc l\u1ecdc), b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u1ea1o ra m\u00f4i tr\u01b0\u1eddng s\u1ed1ng l\u00fd t\u01b0\u1edfng cho c\u00e2y. Vi\u1ec7c duy tr\u00ec \u0111\u1ed9 pH \u1ed5n \u0111\u1ecbnh v\u00e0 th\u00edch h\u1ee3p kh\u00f4ng ch\u1ec9 gi\u00fap c\u00e2y h\u1ea5p th\u1ee5 ch\u1ea5t dinh d\u01b0\u1ee1ng hi\u1ec7u qu\u1ea3 m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o c\u00e2y x\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh c\u1ee7a b\u1ea1n lu\u00f4n kh\u1ecfe m\u1ea1nh, xanh t\u1ed1t v\u00e0 n\u1edf hoa r\u1ef1c r\u1ee1 v\u00e0o \u0111\u00fang d\u1ecbp l\u1ec5, mang l\u1ea1i ni\u1ec1m vui v\u00e0 s\u1eafc m\u00e0u cho ng\u00f4i nh\u00e0 b\u1ea1n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e2y x\u01b0\u01a1ng r\u1ed3ng Gi\u00e1ng Sinh (Schlumbergera), v\u1edbi nh\u1eefng ch\u00f9m hoa r\u1ef1c r\u1ee1 n\u1edf v\u00e0o m\u00f9a \u0111\u00f4ng, \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t bi\u1ec3u t\u01b0\u1ee3ng quen thu\u1ed9c trong nhi\u1ec1u gia \u0111\u00ecnh. Kh\u00e1c bi\u1ec7t v\u1edbi h\u00ecnh \u1ea3nh x\u01b0\u01a1ng r\u1ed3ng kh\u00f4 c\u1eb1n c\u1ee7a sa m\u1ea1c, lo\u00e0i c\u00e2y n\u00e0y mang v\u1ebb \u0111\u1eb9p m\u1ec1m m\u1ea1i v\u00e0 \u0111\u1ed9c \u0111\u00e1o, g\u1ee3i nh\u1edb \u0111\u1ebfn nh\u1eefng<\/p>\n","protected":false},"author":1,"featured_media":200167,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3872],"tags":[],"class_list":["post-229110","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-vi","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.crystalclutch.com\/vi\/wp-json\/wp\/v2\/posts\/229110","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.crystalclutch.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.crystalclutch.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.crystalclutch.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.crystalclutch.com\/vi\/wp-json\/wp\/v2\/comments?post=229110"}],"version-history":[{"count":0,"href":"https:\/\/www.crystalclutch.com\/vi\/wp-json\/wp\/v2\/posts\/229110\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.crystalclutch.com\/vi\/wp-json\/wp\/v2\/media\/200167"}],"wp:attachment":[{"href":"https:\/\/www.crystalclutch.com\/vi\/wp-json\/wp\/v2\/media?parent=229110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.crystalclutch.com\/vi\/wp-json\/wp\/v2\/categories?post=229110"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.crystalclutch.com\/vi\/wp-json\/wp\/v2\/tags?post=229110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}