{"id":3260,"date":"2022-03-23T08:00:57","date_gmt":"2022-03-23T15:00:57","guid":{"rendered":"https:\/\/dactrung.com\/blog\/?p=3260"},"modified":"2022-03-23T08:00:57","modified_gmt":"2022-03-23T15:00:57","slug":"hoa-xuan","status":"publish","type":"post","link":"https:\/\/dactrung.com\/blog\/tuy-but\/hoa-xuan\/nhuhoa\/","title":{"rendered":"Hoa Xu\u00e2n"},"content":{"rendered":"

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Th\u00e1ng t\u01b0 \u0111\u00e1ng l\u1ebd tr\u1eddi \u0111\u00e3 \u1ea5m sao v\u1eabn c\u00f2n m\u01b0a, v\u1eabn c\u00f2n l\u1ea1nh nh\u1ec9, b\u1ee5i hoa c\u1ea9m t\u00fa c\u1ea7u – hydrangea – g\u1eb7p m\u01b0a t\u01b0\u01a1i nh\u01b0 con g\u00e1i, l\u00e1 xanh m\u01b0\u1ee3t m\u00e0, b\u00f4ng h\u1ed3ng n\u1edf r\u1ed9 m\u1ea1nh m\u1ebd ng\u00e0o ng\u1ea1t h\u01b0\u01a1ng. Ng\u00e0y x\u01b0a \u1edf Vi\u1ec7t Nam ph\u1ea3i \u1edf \u0110\u00e0 L\u1ea1t m\u1edbi c\u00f3 hoa h\u1ed3ng, b\u00e2y gi\u1edd mi\u1ec1n T\u00e2y c\u0169ng c\u00f3 tr\u1ed3ng h\u1ed3ng, nh\u01b0ng hoa b\u00e9 kh\u00f4ng \u0111\u1eb9p. S\u1ed1ng \u1edf California kh\u00ed h\u1eadu tuy\u1ec7t v\u1eddi cho hoa cho l\u00e1, cho c\u00e2y tr\u00e1i nh\u00e0 n\u00e0o c\u0169ng c\u00f3 v\u00e0i b\u1ee5i hoa, v\u00e0i lo\u1ea1i c\u00e2y \u0103n tr\u00e1i . C\u00f3 th\u1eddi nh\u00e0 nh\u00e0 tr\u1ed3ng tr\u00e1i h\u1ed3ng gi\u00f2n \u2013 persimmon – \u0111\u1ebfn \u0111\u1ed9 \u0103n kh\u00f4ng h\u1ebft, h\u00e1i \u0111em cho c\u0169ng kh\u00f4ng h\u1ebft, ch\u1ee3 b\u00e1n ng\u00e0y c\u00e0ng r\u1ebb – c\u00f3 th\u1eddi nh\u00e0 nh\u00e0 tr\u1ed3ng t\u00e1o t\u1ea7u r\u1ed3i c\u0169ng \u0103n kh\u00f4ng h\u1ebft h\u00e1i \u0111em cho c\u0169ng kh\u00f4ng h\u1ebft \u2013 tr\u1ed3ng hoa ng\u1eafm v\u1eady m\u00e0 nhi\u1ec1u ni\u1ec1m vui h\u01a1n.
\nHoa c\u1ea9m t\u00fa c\u1ea7u, lo\u1ea1i hoa tr\u00f2n to k\u1ebft t\u1eeb nh\u1eefng b\u00f4ng hoa be b\u00e9, m\u00e0u xanh m\u00e0u h\u1ed3ng, h\u00ecnh \u1ea3nh tr\u00e1i c\u1ea7u xa x\u01b0a c\u00e1c c\u00f4 c\u00f4ng ch\u00faa th\u1ea3 ch\u1ecdn ch\u1ed3ng, ng\u00e0y nay hoa t\u00fa c\u1ea7u xanh tr\u00f9ng v\u1edbi b\u00e0i th\u01a1 c\u1ee7a Minh \u0110\u1ee9c Ho\u00e0i Trinh \u2013hoa xanh khi ch\u01b0a n\u1edf t\u00ecnh xanh khi ch\u01b0a lo s\u1ee3 – ki\u1ebfp n\u00e0o c\u00f3 y\u00eau nhau th\u00ec xin h\u1eb9n \u0111\u1ebfn mai sau! Hoa \u0111\u1ed5i m\u00e0u t\u1eeb xanh sang h\u1ed3ng r\u1ed3i t\u1eeb h\u1ed3ng sang xanh l\u00e0 do nh\u1eefng ch\u1ea5t h\u00f3a h\u1ecdc n\u00e0o l\u00e0 acide, n\u00e0o l\u00e0 base, ng\u00e0y n\u00e0o trong ph\u00f2ng th\u00ed nghi\u1ec7m h\u00f3a h\u1ecdc l\u00e0m cho r\u01b0\u1ee3u qu\u1ef3 xanh h\u00f3a \u0111\u1ecf, r\u01b0\u1ee3u qu\u1ef3 \u0111\u1ecf h\u00f3a xanh.. L\u1ea1i nh\u1edb h\u1ed3i x\u01b0a b\u00ean Vi\u1ec7t Nam m\u00ecnh hoa c\u1ea9m t\u00fa c\u1ea7u hi\u1ebfm l\u1eafm, th\u01b0\u1eddng g\u1ecdi theo ng\u01b0\u1eddi Ph\u00e1p l\u00e0 hortensia, kh\u00f4ng nghe ai g\u1ecdi theo ng\u01b0\u1eddi M\u1ef9 l\u00e0 hydrangea.<\/p>\n

Hoa xanh c\u1ee7a B\u1ea3o Tr\u00e2n \u0111\u1ed5i sang m\u00e0u h\u1ed3ng \u0111\u1ecf l\u00e0 v\u00ec khi mua \u0111em v\u1ec1 tr\u1ed3ng, \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t n\u01a1i tr\u1ed3ng hydrangea \u0111\u00e3 kh\u00e1c \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t trong ch\u1eadu khi mua. S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a alkaline hay lime (ch\u1ea5t v\u00f4i) trong \u0111\u1ea5t m\u1edbi \u0111\u00e3 l\u00e0m t\u0103ng \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t v\u00e0 m\u00e0u h\u1ed3ng c\u1ee7a hoa s\u1ebd hi\u1ec7n ra. Tr\u1ed3ng hydrangea g\u1ea7n m\u00f3ng nh\u00e0 hay sidewalk th\u01b0\u1eddng b\u1ecb c\u1ea3nh n\u00e0y h\u01a1n n\u1eefa, v\u00ec ch\u1ea5t v\u00f4i trong v\u1eadt li\u1ec7u l\u00e0m m\u00f3ng nh\u00e0 v\u00e0 l\u1ed1i \u0111i th\u1ea5m v\u00e0o l\u00f2ng \u0111\u1ea5t \u0111\u1ec3 r\u1ed3i \u0111\u01b0\u1ee3c r\u1ec5 hydrangea h\u00fat v\u00e0o nu\u00f4i hoa. <\/p>\n

Mu\u1ed1n hoa \u0111\u1ed5i th\u00e0nh m\u00e0u xanh tr\u1edf l\u1ea1i (th\u01b0\u1eddng l\u00e0 d\u1ec5 h\u01a1n \u0111\u1ed5i t\u1eeb xanh sang h\u1ed3ng), ph\u1ea3i h\u1ea1 \u0111\u1ed9 pH xu\u1ed1ng, \u00edt nh\u1ea5t ph\u1ea3i xu\u1ed1ng th\u1ea5p t\u1edbi kho\u1ea3ng 5.2 hay 5.5. L\u00e0m sao \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y? H\u00e3y d\u00f9ng m\u1ed9t trong nh\u1eefng c\u00e1ch sau \u0111\u00e2y:<\/p>\n

1) Ch\u00f4n b\u00e3 c\u00e0 ph\u00ea, b\u00e3 tr\u00e0, v\u1ecf chu\u1ed1i, v\u1ecf tr\u00e1i c\u00e2y chung quanh g\u1ed1c hay \u0111\u1ecba b\u00e0n c\u1ee7a b\u1ee5i hydrangea.<\/p>\n

2) Tr\u1ed3ng hoa trong ch\u1eadu th\u1eadt l\u1edbn, d\u00f9ng \u0111\u1ea5t c\u00f3 nhi\u1ec1u ph\u00e2n b\u00f3n th\u1ef1c v\u1eadt (compost), c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t.<\/p>\n

3) D\u00f9ng ph\u00e2n h\u00f3a h\u1ecdc c\u00f3 t\u1ec9 l\u1ec7 potassium cao, nh\u01b0ng t\u1ec9 l\u1ec7 phosphorus th\u1ea5p (25\/5\/30 ch\u1eb3ng h\u1ea1n).<\/p>\n

C\u00e1ch \u0111\u1ecdc c\u00e1c c\u00f4ng th\u1ee9c ph\u00e2n h\u00f3a h\u1ecdc: con s\u1ed1 th\u1ee9 nh\u1ea5t l\u00e0 (25) nitrogen, con s\u1ed1 th\u1ee9 hai l\u00e0 (5) phosphorus, v\u00e0 con s\u1ed1 th\u1ee9 ba l\u00e0 (30) potassium – potassium c\u00f3 nhi\u1ec1u trong v\u1ecf chu\u1ed1i (v\u00e0 chu\u1ed1i n\u1eefa, n\u00f3i x\u00eda v\u00f4 chuy\u1ec7n dinh d\u01b0\u1ee1ng r\u1ed3i). Mu\u1ed1n d\u1ec5 nh\u1edb, \u0111\u1ecdc l\u00e0 ni-ph\u00f4-p\u00f4 cho g\u1ecdn. Mua con s\u1ed1 cu\u1ed1i b\u1ef1 thi\u1ec7t b\u1ef1, con s\u1ed1 gi\u1eefa nh\u1ecf t\u00ed th\u00f4i.<\/p>\n

4) Mu\u1ed1n nhanh g\u1ecdn h\u01a1n n\u1eefa, ra Home Depot hay Lowes mua m\u1ed9t b\u1ecbch aluminum sulfate. M\u1ed7i tu\u1ea7n, pha 1 table spoon v\u1edbi 1 gallon n\u01b0\u1edbc. T\u01b0\u1edbi n\u01b0\u1edbc th\u01b0\u1eddng cho r\u1ec5 c\u00e2y th\u1ea5m \u01b0\u1edbt n\u01b0\u1edbc tr\u01b0\u1edbc, xong t\u01b0\u1edbi dung d\u1ecbch n\u01b0\u1edbc v\u00e0 aluminum n\u00e0y v\u00e0o chung quanh g\u1ed1c c\u00e2y. T\u01b0\u1edbi n\u01b0\u1edbc th\u01b0\u1eddng tr\u01b0\u1edbc \u0111\u1ec3 dung d\u1ecbch aluminum kh\u1ecfi l\u00e0m ch\u00e1y r\u1ec5 c\u00e2y. L\u00e0m nh\u01b0 th\u1ebf n\u00e0y ch\u1eebng ba th\u00e1ng th\u00ec hoa s\u1ebd \u0111\u1ed5i m\u00e0u sang xanh. L\u01b0u \u00fd: C\u00e2y ph\u1ea3i \u0111\u01b0\u1ee3c \u00edt nh\u1ea5t 2 hay 3 tu\u1ed5i.<\/p>\n

Trong th\u1eddi gian hoa \u0111\u1ed5i m\u00e0u, m\u00e0u t\u00edm hoa c\u00e0 s\u1ebd xu\u1ea5t hi\u1ec7n \u0111\u1ec3 b\u00e1o cho ta bi\u1ebft r\u1eb1ng “thu\u1ed1c” c\u00f3 \u00e9p ph\u00ea v\u00e0 hoa \u0111ang t\u1eeb t\u1eeb \u0111\u1ed5i m\u00e0u. R\u00e1ng \u0111\u1ee3i.<\/p>\n

Khi n\u00e0o hoa th\u00e0nh m\u00e0u xanh th\u00ec m\u00ecnh s\u1ebd h\u00e1t “hoa xanh khi m\u1edbi n\u1edf, t\u00ecnh xanh khi h\u01a1i m\u1eebng m\u1eebng”…
\nMu\u1ed1n \u0111\u1ed5i hoa hydrangea t\u1eeb xanh sang h\u1ed3ng \u0111\u1ecf th\u00ec l\u00e0m m\u1ed9t trong nh\u1eefng c\u00e1ch sau \u0111\u00e2y:<\/p>\n

1) R\u1eafc b\u1ed9t lime quanh g\u1ed1c c\u00e2y hay \u0111\u1ecba b\u00e0n c\u1ee7a g\u1ed1c c\u00e2y. R\u1ec5 c\u1ee7a hydrangea \u00f4i th\u00f4i l\u00e0 nhi\u1ec1u l\u1eafm, c\u1ea3 ch\u00f9m, c\u1ea3 ch\u00f9m, lan r\u1ed9ng d\u01b0\u1edbi m\u1eb7t \u0111\u1ea5t. Tr\u1ed3ng hydrangea t\u1ed1n n\u01b0\u1edbc nhi\u1ec1u nh\u1ea5t, h\u1ec5 \u0111\u01b0\u1ee3c u\u1ed1ng n\u01b0\u1edbc nhi\u1ec1u, n\u00f3 t\u01b0\u01a1i c\u0103ng, h\u1ec5 kh\u00e1t n\u01b0\u1edbc, n\u00f3 c\u00f9 r\u0169.<\/p>\n

2) D\u00f9ng ph\u00e2n h\u00f3a h\u1ecdc c\u00f3 c\u00f4ng th\u1ee9c ni-ph\u00f4-p\u00f4 cao trong phosphorus. Phosphorus ng\u0103n ch\u1eadn s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a m\u00e0u xanh trong hoa hydrangea. Kh\u00f4ng c\u1ea7n \u0111\u1ee3i c\u00e2y ph\u1ea3i gi\u00e0 h\u01a1n hai tu\u1ed5i.<\/p>\n

Giai \u0111o\u1ea1n th\u1ee9 hai:
\n1 mu\u1ed7ng canh baking soda
\n1 mu\u1ed7ng canh horticultural oil (mua \u1edf c\u00e1c ti\u1ec7m b\u00e1n nhu li\u1ec7u l\u00e0m v\u01b0\u1eddn)
\n1 mu\u1ed7ng canh b\u1ed9t gi\u1eb7t
\n1 gallon n\u01b0\u1edbc
\npha chung l\u1ea1i, l\u1eafc \u0111\u1ec1u, \u0111\u1ec3 m\u1ed9t h\u1ed3i m\u1ecdi th\u1ee9 tan v\u00e0o nhau. N\u1ebfu kh\u00f4ng ki\u1ebfm ra nh\u1eefng th\u1ee9 kh\u00f3 ki\u1ebfm th\u00ec pha hai th\u1ee9 sau:
\n5 mu\u1ed7ng canh b\u1ed9t gi\u1eb7t
\n1 gallon n\u01b0\u1edbc
\n(C\u00f3 th\u00eam d\u1ea7u horticulture ch\u1ec9 l\u00e0 \u0111\u1ec3 cho dung d\u1ecbch d\u1ec5 b\u00e1m v\u00e0o l\u00e1, \u0111\u1eebng tr\u00f4i tu\u1ed9t \u0111i. Baking soda \u0111\u1ec3 l\u00e0m g\u00ec ch\u1ecb kh\u00f4ng bi\u1ebft, c\u00f3 l\u1ebd \u0111\u1ec3 l\u00e0m ch\u1ea5t x\u00fac t\u00e1c gi\u00fap d\u1ea7u horticulture d\u1ec5 h\u00f2a v\u00e0o n\u01b0\u1edbc. Kh\u00f4ng bi\u1ebft, n\u00f3i \u0111\u1ea1i bi\u1ebft \u0111\u00e2u ch\u1eebng c\u0169ng tr\u00fang. C\u00e1i ch\u00ednh l\u00e0 b\u1ed9t gi\u1eb7t, b\u1ed9t gi\u1eb7t l\u00e0m cho n\u1ea5m b\u1ecb t\u01b0\u1edbc kh\u00ed gi\u1edbi t\u1ef1 b\u1ea3o v\u1ec7 l\u1edbp da c\u1ee7a n\u00f3, nhi\u00eau \u0111\u00e2y t\u1ea1m \u0111\u1ee7 x\u00e0i r\u1ed3i.)<\/p>\n

D\u00f9ng b\u00ecnh x\u1ecbt l\u1edbn nh\u1ecf t\u00f9y \u00fd, x\u1ecbt v\u00e0o l\u00e1, x\u1ecbt tr\u00ean m\u1eb7t l\u00e1 v\u00e0 d\u01b0\u1edbi m\u1eb7t l\u00e1. X\u1ecbt thu\u1ed1c nam cho l\u00e1 h\u1ed3ng v\u00e0o bu\u1ed5i s\u00e1ng \u0111\u1ec3 thu\u1ed1c c\u00f3 \u0111\u1ee7 th\u00ec gi\u1edd kh\u00f4 r\u00e1o tr\u01b0\u1edbc khi \u0111\u00eam xu\u1ed1ng. X\u1ecbt ch\u1eebng 10 ng\u00e0y li\u00ean t\u1ee5c th\u00ec c\u00e2y s\u1ebd l\u00e0nh b\u1ec7nh, t\u01b0\u01a1i c\u01b0\u1eddi tr\u1edf l\u1ea1i.<\/p>\n

Giai \u0111o\u1ea1n th\u1ee9 ba: N\u1ebfu anh th\u1ee3 l\u00e0m v\u01b0\u1eddn t\u1ed1t b\u1ee5ng x\u1ecbt thu\u1ed1c nam gi\u00f9m cho h\u1ed3ng, th\u00ec h\u00f4n anh \u1ea5y m\u1ed9t c\u00e1i.<\/p>\n

N\u00f3i g\u00ec th\u00ec n\u00f3i, ph\u00f2ng b\u1ec7nh v\u1eabn h\u01a1n ch\u1eefa b\u1ec7nh. Sau \u0111\u00e2y l\u00e0 c\u00e1ch ph\u00f2ng b\u1ec7nh:
\n– Mua h\u1ed3ng th\u00ec n\u00ean \u0111\u1ecdc ch\u1ec9 d\u1eabn v\u00e0 ch\u1ecdn lo\u1ea1i c\u1ee9ng c\u1ef1a, \u00edt b\u1ecb b\u1ec7nh t\u1ea5n c\u00f4ng (h\u1ecd c\u00f3 ghi l\u00e0 resistant to disease)
\n– Tr\u1ed3ng h\u1ed3ng ch\u1ed7 c\u00f3 \u0111\u1ee7 n\u1eafng (\u00edt nh\u1ea5t 6 ti\u1ebfng c\u00f3 n\u1eafng trong ng\u00e0y)
\n– Tr\u1ed3ng h\u1ed3ng c\u00e1ch xa nhau \u0111\u1ee7 cho gi\u00f3 tho\u1ea3ng qua \u0111\u01b0\u1ee3c, \u0111\u1eebng tr\u1ed3ng chen ch\u00fac qu\u00e1.
\n– T\u01b0\u1edbi h\u1ed3ng th\u00ec n\u00ean t\u01b0\u1edbi chung quanh g\u1ed1c hay quanh \u0111\u1ecba b\u00e0n c\u1ee7a g\u1ed1c h\u1ed3ng, \u0111\u1eebng th\u01b0\u01a1ng hoa l\u00e1 m\u00e0 t\u01b0\u1edbi cho n\u00f3 m\u00e1t m\u1ebb v\u00e0 c\u00f3 nh\u1eefng gi\u1ecdt n\u01b0\u1edbc long lanh coi cho \u0111\u1eb9p.
\n– N\u1ebfu ghi\u1ec1n t\u01b0\u1edbi n\u01b0\u1edbc v\u00e0o hoa l\u00e1 qu\u00e1 th\u00ec n\u00ean t\u01b0\u1edbi hoa l\u00e1 h\u1ed3ng v\u00e0o bu\u1ed5i s\u00e1ng hay tr\u01b0a, \u0111\u1ee7 gi\u1edd cho n\u01b0\u1edbc b\u1ed1c h\u01a1i h\u1ebft tr\u01b0\u1edbc khi \u0111\u00eam xu\u1ed1ng.
\n– Th\u1ec9nh tho\u1ea3ng c\u1ea7m c\u00e1i k\u00e9o t\u1ec9a b\u1edbt l\u00e1 x\u1ea5u, l\u00e1 h\u01b0 tr\u00ean c\u00e2y, g\u1ecdi l\u00e0 h\u1edbt t\u00f3c, cho c\u00e2y \u0111\u01b0\u1ee3c tho\u00e1ng lu\u00f4n th\u1ec3.
\n– C\u1eaft l\u00e1 x\u1ea5u xong d\u1ecdn s\u1ea1ch l\u00e1, \u0111\u1eebng \u0111\u1ec3 r\u1edbt l\u1ea1i d\u01b0\u1edbi g\u1ed1c h\u1ed3ng.
\n– M\u00f9a thu, l\u00e1 c\u1ee7a c\u00e1c c\u00e2y kh\u00e1c bay v\u01b0\u1edbng v\u00e0o g\u1ed1c h\u1ed3ng, nh\u1edd anh th\u1ee3 l\u00e0m v\u01b0\u1eddn d\u1ecdn gi\u00f9m \u0111\u1ec3 n\u1ea5m kh\u00f4ng c\u00f3 m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt m\u00e0 sinh s\u00f4i n\u1ea3y n\u1edf khi xu\u00e2n \u0111\u1ebfn.
\n– M\u00f9a xu\u00e2n t\u1edbi, thay v\u1ecf c\u00e2y v\u1ee5n (mulch) cho g\u1ed1c h\u1ed3ng. L\u1edbp mulch m\u1edbi kh\u00f4 r\u00e1o, t\u1ed1t cho h\u1ed3ng h\u01a1n, m\u00ecnh l\u1ea1i \u0111\u1ee1 m\u1ea5t th\u00ec gi\u1edd sau n\u00e0y kh\u1ecfi ph\u1ea3i x\u1ecbt thu\u1ed1c nam tr\u1ecb n\u1ea5m cho h\u1ed3ng.
\n– N\u1ebfu r\u1ea3nh n\u1eefa, pha thu\u1ed1c nam x\u1ecbt ng\u1eeba cho h\u1ed3ng: m\u1ed9t n\u1eeda skim milk. m\u1ed9t n\u1eeda n\u01b0\u1edbc, pha chung v\u00e0o, cho v\u00e0o b\u00ecnh x\u1ecbt, x\u1ecbt hai m\u1eb7t l\u00e1 h\u1ed3ng \u0111\u1ec3 ng\u1eeba b\u1ec7nh n\u1ea5m s\u01b0\u01a1ng (powdery mildew) v\u00e0 b\u1ec7nh \u0111\u1ed1m \u0111en (black spot) c\u1ee7a h\u1ed3ng.
\nR\u1eadn c\u00e2y h\u1ed3ng, ngo\u00e0i lo\u1ea1i m\u00e0u xanh, \u0111\u00f4i khi c\u00f2n th\u1ea5y xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi m\u00e0u h\u1ed3ng n\u1eefa. H\u1ec5 th\u1ea5y ph\u00eda \u0111u\u00f4i c\u1ee7a con n\u00e0o c\u00f3 hai c\u00e1i “ng\u00e0” ch\u0129a ra l\u00e0 \u0111\u00fang y chang r\u1eadn c\u00e2y ch\u1edb c\u00f2n ai \u0111\u00e2y n\u1eefa (ng\u01b0\u1eddi ta d\u00f9ng k\u00ednh l\u00fap \u0111\u1ec3 soi nh\u1eefng con nh\u1ecf). M\u1ed9t m\u1eb7t ch\u00fang d\u00f9ng c\u00e1i m\u1ecf c\u1ee9ng c\u1ee7a m\u00ecnh m\u00e0 h\u00fat nh\u1ef1a s\u1ed1ng c\u1ee7a ch\u1ed3i non, l\u00e1 non, n\u1ee5 v\u00e0 cu\u1ed1ng hoa. M\u00f4t m\u1eb7t kh\u00e1c, ch\u00fang d\u00f9ng ch\u00ednh nh\u1eefng c\u00e1i m\u1ecf n\u00e0y m\u00e0 ch\u00edch v\u00e0o c\u00e2y c\u00e1i n\u01b0\u1edbc mi\u1ebfng \u0111\u1ed9c c\u1ee7a m\u00ecnh l\u00e0m cho ch\u1ed3i, l\u00e1, n\u1ee5, hoa ch\u1ebft d\u1ea7n m\u00f2n. M\u1ed9t m\u1eb7t kh\u00e1c n\u1eefa, ch\u00fang c\u00f2n ti\u1ebft ra m\u1ed9t ch\u1ea5t m\u1eadt ng\u1ecdt d\u00ednh tr\u00ean l\u00e1 h\u1ed3ng, ch\u00ednh ch\u1ea5t n\u00e0y l\u00e0 th\u1ee9c \u0103n c\u1ee7a m\u1ed9t s\u1ed1 c\u00f4n tr\u00f9ng kh\u00e1c \u0111\u1ebfn \u0103n r\u1ed3i h\u1ea1i c\u00e2y. R\u1eadn c\u00e2y n\u00f3i chung sinh con \u0111\u1ebb ch\u00e1u \u0111\u00f4ng \u0111\u00fac trong m\u1ed9t kho\u1ea3ng th\u1eddi gian r\u1ea5t ng\u1eafn, d\u00e2n s\u1ed1 t\u0103ng l\u00ean r\u1ea5t nhanh. L\u1ee3i h\u1ea1i v\u00e0 ly k\u1ef3 nh\u1ea5t l\u00e0 tr\u1ee9ng kh\u00f4ng cha v\u00e0 tr\u1ee9ng c\u00f3 cha \u0111\u1ec1u n\u1edf th\u00e0nh con, c\u00f3 lo\u1ea1i \u0111\u1ebb tr\u1ee9ng tr\u00ean c\u00e2y, c\u00f3 lo\u1ea1i \u0111\u1ebb tr\u1ee9ng xong \u00f4m ch\u1eb7t m\u1edb tr\u1ee9ng cho t\u1edbi khi tr\u1ee9ng n\u1edf th\u00e0nh con m\u1edbi ch\u1ecbu bu\u00f4ng ra. R\u1eadn c\u00e2y h\u1ed3ng thu\u1ed9c lo\u1ea1i r\u1eadn kh\u00f4ng cha, r\u1eadn c\u00e1i c\u00f3 th\u1ec3 t\u1ef1 sinh ra (reproduce asexually) tr\u1ee9ng, \u00f4m ch\u1eb7t v\u00e0 cho n\u1edf m\u1ed9t lo\u1ea1t r\u1eadn con trong v\u00f2ng 12 ng\u00e0y. R\u1eadn l\u1edbn, r\u1eadn nh\u1ecf \u0111\u1ec1u h\u00e1u \u0103n n\u00ean th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n \u1edf nh\u1eefng n\u01a1i gi\u00e0u d\u01b0\u1ee1ng ch\u1ea5t (nitrogen) hay c\u00f2n g\u1ecdi l\u00e0 n\u01a1i \u0111\u1ea5t m\u00e0u m\u1ee1. B\u1edfi v\u1eady, \u0111\u1eebng b\u00f3n c\u00e2y qu\u00e1 \u0111\u1ed9 (qu\u00e1 nhi\u1ec1u nitrogen, con s\u1ed1 th\u1ee9 nh\u1ea5t trong c\u00e1i c\u00f4ng th\u1ee9c c\u1ee7a ph\u00e2n h\u00f3a h\u1ecdc n-n-n) m\u00e0 v\u00f4 t\u00ecnh r\u1ee7 ren, m\u1eddi m\u1ecdc, l\u00e0m c\u1ed7 cho ch\u00fang x\u01a1i.<\/p>\n

M\u1ed9t \u0111i\u1ec3m l\u1ea1 l\u00e0 r\u1eadn c\u00e2y r\u1ea5t \u01b0a m\u00e0u v\u00e0ng r\u1ef1c r\u1ee1. N\u1ebfu nghi c\u00f3 d\u1ea5u hi\u1ec7u c\u1ee7a ch\u00fang, ta c\u00f3 th\u1ec3 \u0111\u1eb7t n\u1eeda x\u00f4 n\u01b0\u1edbc trong c\u00e1i x\u00f4 m\u00e0u v\u00e0ng g\u1ea7n nh\u1eefng c\u00e2y h\u1ed3ng \u0111\u1ec3 d\u1ee5 kh\u1ecb ch\u00fang \u0111\u1ebfn t\u1eafm m\u00e1t l\u00e2y h\u00ean. \u0110\u1eebng ng\u1ea1c nhi\u00ean n\u1ebfu th\u1ea5y ch\u00fang b\u1eaft \u0111\u1ea7u b\u01a1i l\u1ed9i trong x\u00f4.<\/p>\n

N\u1ebfu xui m\u00e0 th\u1ea5y ch\u00fang \u0111\u00e3 \u0111\u1ecbnh c\u01b0 tr\u00ean c\u00e2y h\u1ed3ng r\u1ed3i th\u00ec ph\u01b0\u01a1ng ph\u00e1p h\u1eefu hi\u1ec7u nh\u1ea5t l\u00e0 d\u00f9ng v\u00f2i n\u01b0\u1edbc th\u1eadt m\u1ea1nh \u0111\u1ec3 x\u1ecbt ch\u00fang v\u0103ng xu\u1ed1ng \u0111\u1ea5t, c\u00e1ch m\u1ed9t ng\u00e0y x\u1ecbt m\u1ea1nh m\u1ed9t l\u1ea7n, cho t\u1edbi ch\u1eebng n\u00e0o kh\u00f4ng c\u00f2n m\u1ed9t m\u1ed1ng.<\/p>\n

Nh\u1eefng c\u00e1ch kh\u00e1c l\u00e0 pha n\u01b0\u1edbc v\u00e0 x\u00e0 b\u00f4ng r\u1eeda ch\u00e9n (1 gallon n\u01b0\u1edbc + 1 mu\u1ed7ng x\u00e0 b\u00f4ng r\u1eeda ch\u00e9n), pha n\u01b0\u1edbc ng\u00e2m t\u1ecfi, hay t\u1ecfi \u1edbt xay nh\u1ecf (nhi\u1ec1u \u00edt t\u00f9y ng\u01b0\u1eddi \u0111\u1ed1i di\u1ec7n) r\u1ed3i x\u1ecbt l\u00ean c\u00e2y. Nh\u1edb x\u1ecbt v\u00e0o bu\u1ed5i s\u00e1ng hay khi tr\u1eddi c\u00f2n n\u1eafng t\u1ed1t \u0111\u1ec3 l\u00e1 h\u1ed3ng kh\u00f4ng c\u00f2n \u1ea9m \u01b0\u1edbt khi \u0111\u00eam xu\u1ed1ng.<\/p>\n

M\u1ed9t c\u00e1ch kh\u00e1c l\u00e0 mua nh\u1eefng lo\u1ea1i c\u00f4n tr\u00f9ng th\u00edch x\u01a1i ch\u00fang, nh\u01b0 ladybug, v\u1ec1 th\u1ea3 l\u00ean c\u00e2y \u0111\u1ec3 l\u00e0m \u0111o\u00e0n qu\u00e2n ph\u00f2ng v\u1ec7 homeland security. Gi\u00e1 ladybug v\u00e0o kho\u1ea3ng $6 \u0111\u1ebfn $7 cho m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng 1,000 \u0111\u1ebfn 1,500 con. Mua t\u1ea1i c\u00e1c ti\u1ec7m b\u00e1n c\u00e2y ho\u1eb7c t\u1ea1i c\u00e1c website. N\u1ebfu c\u1ea7n th\u00ec pm cho Hu\u1ec7. Ladybug v\u1edbi \u0111\u00f4i c\u00e1nh \u0111\u1ed1m \u0111en, tr\u00f4ng \u0111\u1eb9p v\u00e0 d\u1ec5 th\u01b0\u01a1ng l\u1eafm, ladybug x\u01a1i t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i s\u00e2u b\u1ecd h\u1ea1i c\u00e2y, ch\u00fang l\u00e0 b\u1ea1n t\u1ed1t c\u1ee7a nh\u00e0 v\u01b0\u1eddn. Tuy nhi\u00ean, n\u1ebfu d\u00f9ng ladybug th\u00ec \u0111\u1eebng x\u1ecbt n\u01b0\u1edbc x\u00e0 b\u00f4ng, n\u01b0\u1edbc t\u1ecfi \u1edbt v\u00e0o c\u00e2y v\u00ec nh\u1eefng dung d\u1ecbch n\u00e0y s\u1ebd gi\u1ebft tr\u1ee9ng c\u1ee7a ladybug m\u1ed9t c\u00e1ch kh\u00f4ng ph\u00e2n bi\u1ec7t.<\/p>\n","protected":false},"excerpt":{"rendered":"

Th\u00e1ng t\u01b0 \u0111\u00e1ng l\u1ebd tr\u1eddi \u0111\u00e3 \u1ea5m sao v\u1eabn c\u00f2n m\u01b0a, v\u1eabn c\u00f2n l\u1ea1nh nh\u1ec9, b\u1ee5i hoa c\u1ea9m t\u00fa c\u1ea7u – hydrangea – g\u1eb7p m\u01b0a t\u01b0\u01a1i nh\u01b0 con g\u00e1i, l\u00e1 xanh m\u01b0\u1ee3t m\u00e0, b\u00f4ng h\u1ed3ng n\u1edf r\u1ed9 m\u1ea1nh m\u1ebd ng\u00e0o ng\u1ea1t h\u01b0\u01a1ng. Ng\u00e0y x\u01b0a \u1edf…<\/p>\n","protected":false},"author":4,"featured_media":3212,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[],"post_series":[],"class_list":["post-3260","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tuy-but"],"acf":[],"_links":{"self":[{"href":"https:\/\/dactrung.com\/blog\/wp-json\/wp\/v2\/posts\/3260","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dactrung.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dactrung.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dactrung.com\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/dactrung.com\/blog\/wp-json\/wp\/v2\/comments?post=3260"}],"version-history":[{"count":1,"href":"https:\/\/dactrung.com\/blog\/wp-json\/wp\/v2\/posts\/3260\/revisions"}],"predecessor-version":[{"id":3261,"href":"https:\/\/dactrung.com\/blog\/wp-json\/wp\/v2\/posts\/3260\/revisions\/3261"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dactrung.com\/blog\/wp-json\/wp\/v2\/media\/3212"}],"wp:attachment":[{"href":"https:\/\/dactrung.com\/blog\/wp-json\/wp\/v2\/media?parent=3260"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dactrung.com\/blog\/wp-json\/wp\/v2\/categories?post=3260"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dactrung.com\/blog\/wp-json\/wp\/v2\/tags?post=3260"},{"taxonomy":"post_series","embeddable":true,"href":"https:\/\/dactrung.com\/blog\/wp-json\/wp\/v2\/post_series?post=3260"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}