{"id":3737,"date":"2017-08-20T10:20:55","date_gmt":"2017-08-20T03:20:55","guid":{"rendered":"http:\/\/wasi.org.vn\/?p=3737"},"modified":"2017-09-06T10:36:31","modified_gmt":"2017-09-06T03:36:31","slug":"gioi-thieu-thang-danh-gia-phi-dat-cho-cay-ca-phe","status":"publish","type":"post","link":"https:\/\/wasi.org.vn\/en\/gioi-thieu-thang-danh-gia-phi-dat-cho-cay-ca-phe\/","title":{"rendered":"Gi\u1edbi thi\u1ec7u thang \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 ph\u00ec \u0111\u1ea5t cho c\u00e2y C\u00e0 ph\u00ea"},"content":{"rendered":"

Nguy\u1ec5n Th\u1ecb H\u1ed3ng H\u1ea1nh<\/em><\/span><\/p>\n

Vi\u1ec7n Khoa h\u1ecdc k\u1ef9 thu\u1eadt N\u00f4ng L\u00e2m nghi\u1ec7p T\u00e2y Nguy\u00ean<\/em><\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0 <\/em>\u0110\u1ed9 ph\u00ec nhi\u00eau c\u1ee7a \u0111\u1ea5t l\u00e0 kh\u1ea3 n\u0103ng cung c\u1ea5p nh\u1eefng nguy\u00ean t\u1ed1 dinh d\u01b0\u1ee1ng c\u1ea7n thi\u1ebft cho c\u00e2y tr\u1ed3ng sinh tr\u01b0\u1edfng ph\u00e1t tri\u1ec3n, ch\u1ec9 ra kh\u1ea3 n\u0103ng v\u1ed1n c\u00f3 c\u1ee7a \u0111\u1ea5t c\u00f3 t\u00ednh quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn n\u0103ng su\u1ea5t c\u00e2y tr\u1ed3ng.<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0 \u0110\u1ec3 x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng dinh d\u01b0\u1ee1ng trong \u0111\u1ea5t n\u1eb1m \u1edf ng\u01b0\u1ee1ng n\u00e0o ph\u00f9 h\u1ee3p cho c\u00e2y \u00a0c\u00e0 ph\u00ea, ch\u00fang ta c\u1ea7n ph\u1ea3i ph\u00e2n t\u00edch m\u1eabu \u0111\u1ea5t, sau \u0111\u00f3 so s\u00e1nh k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch v\u1edbi thang \u0111\u00e1nh gi\u00e1. Tr\u00ean c\u01a1 s\u1edf n\u00e0y \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n dinh d\u01b0\u1ee1ng c\u1ee7a m\u1eabu \u0111\u1ea5t c\u00f3 ph\u00f9 h\u1ee3p \u0111\u1ec3 c\u00e2y c\u00e0 ph\u00ea\u00a0 ph\u00e1t tri\u1ec3n, ho\u1eb7c n\u1ebfu b\u1ed5 sung ph\u00e2n b\u00f3n th\u00ec c\u1ea7n b\u00f3n lo\u1ea1i n\u00e0o v\u1edbi li\u1ec1u l\u01b0\u1ee3ng bao nhi\u00eau. Do v\u1eady, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u1ee7a Vi\u1ec7n Khoa h\u1ecdc k\u1ef9 thu\u1eadt N\u00f4ng l\u00e2m nghi\u1ec7p T\u00e2y Nguy\u00ean \u0111\u00e3 nghi\u00ean c\u1ee9u v\u00e0 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c thang \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 ph\u00ec \u0111\u1ea5t cho c\u00e2y c\u00e0 ph\u00ea nh\u01b0 sau.<\/span><\/p>\n

1<\/strong>. <\/strong>H\u00e0m l\u01b0\u1ee3ng d<\/strong>inh d\u01b0\u1ee1ng<\/strong> \u0111\u1ea5t<\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

TT<\/span><\/p>\n<\/td>\n

\n

Ch\u1ec9 ti\u00eau<\/span><\/p>\n<\/td>\n

\n

 <\/p>\n

Ngh\u00e8o<\/span><\/p>\n

 <\/p>\n<\/td>\n

\n

Trung b\u00ecnh<\/span><\/p>\n<\/td>\n

\n

 <\/p>\n

Gi\u00e0u<\/span><\/p>\n

 <\/p>\n<\/td>\n

\n

Ng\u01b0\u1ee1ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e0 ph\u00ea<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

01<\/span><\/p>\n<\/td>\n

\n

Ch\u1ea5t h\u1eefu c\u01a1 (%)<\/span><\/p>\n<\/td>\n

\n

<2,50<\/span><\/p>\n<\/td>\n

\n

2,50-3,50<\/span><\/p>\n<\/td>\n

\n

>3,50<\/span><\/p>\n<\/td>\n

\n

>2,5<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

02<\/span><\/p>\n<\/td>\n

\n

N t\u1ed5ng s\u1ed1 (%)<\/span><\/p>\n<\/td>\n

\n

<0,12<\/span><\/p>\n<\/td>\n

\n

0,12-0,20<\/span><\/p>\n<\/td>\n

\n

>0,20<\/span><\/p>\n<\/td>\n

\n

>0,12<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

03<\/span><\/p>\n<\/td>\n

\n

P2<\/sub>O5<\/sub> t\u1ed5ng s\u1ed1 (%)<\/span><\/p>\n<\/td>\n

\n

<0,05<\/span><\/p>\n<\/td>\n

\n

0,05-0,10<\/span><\/p>\n<\/td>\n

\n

>0,10<\/span><\/p>\n<\/td>\n

\n

 <\/p>\n<\/td>\n<\/tr>\n

\n

04<\/span><\/p>\n<\/td>\n

\n

K2<\/sub>O t\u1ed5ng s\u1ed1 (%)<\/span><\/p>\n<\/td>\n

\n

<0,05<\/span><\/p>\n<\/td>\n

\n

0,05-0,10<\/span><\/p>\n<\/td>\n

\n

>0,10<\/span><\/p>\n<\/td>\n

\n

 <\/p>\n<\/td>\n<\/tr>\n

\n

05<\/span><\/p>\n<\/td>\n

\n

P2<\/sub>O5<\/sub> d\u1ec5 ti\u00eau (mg\/100g)<\/span><\/p>\n<\/td>\n

\n

<3,00<\/span><\/p>\n<\/td>\n

\n

3,00-6,00<\/span><\/p>\n<\/td>\n

\n

>6,00<\/span><\/p>\n<\/td>\n

\n

>3<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

06<\/span><\/p>\n<\/td>\n

\n

K2<\/sub>O dt (mg\/100g)<\/span><\/p>\n<\/td>\n

\n

<12,00<\/span><\/p>\n<\/td>\n

\n

12,00-25,00<\/span><\/p>\n<\/td>\n

\n

>25,00<\/span><\/p>\n<\/td>\n

\n

>12<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

07<\/span><\/p>\n<\/td>\n

\n

Ca2+<\/sup> trao \u0111\u1ed5i(l\u0111l\/100g\u0111)<\/span><\/p>\n<\/td>\n

\n

<2,0<\/span><\/p>\n<\/td>\n

\n

2-4<\/span><\/p>\n<\/td>\n

\n

>4<\/span><\/p>\n<\/td>\n

\n

>2<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

08<\/span><\/p>\n<\/td>\n

\n

Mg2+<\/sup> trao \u0111\u1ed5i(l\u0111l\/100g\u0111)<\/span><\/p>\n<\/td>\n

\n

<0,8<\/span><\/p>\n<\/td>\n

\n

0,8-1,6<\/span><\/p>\n<\/td>\n

\n

>1,6<\/span><\/p>\n<\/td>\n

\n

>0,8<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

09<\/span><\/p>\n<\/td>\n

\n

S d\u1ec5 ti\u00eau (ppm)<\/span><\/p>\n<\/td>\n

\n

<15<\/span><\/p>\n<\/td>\n

\n

15-25<\/span><\/p>\n<\/td>\n

\n

>25<\/span><\/p>\n<\/td>\n

\n

>15<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

10<\/span><\/p>\n<\/td>\n

\n

Zn d\u1ec5 ti\u00eau(ppm)<\/span><\/p>\n<\/td>\n

\n

<10<\/span><\/p>\n<\/td>\n

\n

10-20<\/span><\/p>\n<\/td>\n

\n

>20<\/span><\/p>\n<\/td>\n

\n

10-50<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

11<\/span><\/p>\n<\/td>\n

\n

B d\u1ec5 ti\u00eau (ppm)<\/span><\/p>\n<\/td>\n

\n

<5<\/span><\/p>\n<\/td>\n

\n

5-15<\/span><\/p>\n<\/td>\n

\n

>15<\/span><\/p>\n<\/td>\n

\n

5-30<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

12<\/span><\/p>\n<\/td>\n

\n

Fe d\u1ec5 ti\u00eau (ppm)<\/span><\/p>\n<\/td>\n

\n

<10<\/span><\/p>\n<\/td>\n

\n

10-20<\/span><\/p>\n<\/td>\n

\n

>20<\/span><\/p>\n<\/td>\n

\n

 <\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00a0<\/strong><\/span>2<\/strong>. \u0110\u1ed9 chua <\/strong>c\u1ee7a \u0111\u1ea5t<\/strong><\/span><\/p>\n\n\n\n\n
\n

pH<\/strong>KCl<\/sub><\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

<4,0<\/span><\/p>\n

\u0110\u1ea5t r\u1ea5t chua<\/span><\/p>\n<\/td>\n

\n

4,0-4,5<\/span><\/p>\n

\u0110\u1ea5t chua<\/span><\/p>\n<\/td>\n

\n

4,5-5,5<\/span><\/p>\n

\u0110\u1ea5t \u00edt chua<\/span><\/p>\n<\/td>\n

\n

 <\/p>\n

5,5-6,5<\/span><\/p>\n

H\u01a1i chua<\/span><\/p>\n

 <\/p>\n<\/td>\n

\n

 <\/p>\n

6,5-7,5<\/span><\/p>\n

Trung t\u00ednh<\/span><\/p>\n

 <\/p>\n<\/td>\n

\n

>7,5<\/span><\/p>\n

\u00a0Ki\u1ec1m<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00a0\u00a0\u00a0\u00a0 Th\u00f4ng th\u01b0\u1eddng, vi\u1ec7c ph\u00e2n t\u00edch m\u1eabu \u0111\u1ea5t l\u00e0m c\u01a1 s\u1edf cho vi\u1ec7c b\u00f3n ph\u00e2n ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o c\u00e1c ch\u1ec9 ti\u00eau dinh d\u01b0\u1ee1ng \u0111\u1ea5t c\u01a1 b\u1ea3n: pHKCl<\/sub>, HC%, N%,\u00a0 P2<\/sub>O5 <\/sub>d\u1ec5 ti\u00eau\u00ad<\/sub>, \u00a0<\/sub>K2<\/sub>O d\u1ec5 ti\u00eau\u00ad<\/sub>. Tr\u01b0\u1eddng h\u1ee3p v\u01b0\u1eddn c\u00e0 ph\u00ea c\u00f3 nh\u1eefng tri\u1ec7u ch\u1ee9ng b\u1ea5t th\u01b0\u1eddng th\u00ec s\u1ebd ph\u00e2n t\u00edch th\u00eam m\u1ed9t s\u1ed1 ch\u1ec9 ti\u00eau kh\u00e1c. Sau \u0111\u00e2y l\u00e0 m\u1ed9t v\u00ed d\u1ee5 v\u1ec1 k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch \u0111\u1ea5t c\u1ee7a m\u1ed9t v\u01b0\u1eddn c\u00e0 ph\u00ea v\u00e0 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 nh\u01b0 sau:<\/span><\/p>\n\n\n\n\n
\n

Ch\u1ec9 ti\u00eau dinh d\u01b0\u1ee1ng \u0111\u1ea5t<\/span><\/p>\n<\/td>\n

\n

K\u1ebft qu\u1ea3 ph\u00e2n t\u00edch \u0111\u1ea5t<\/span><\/p>\n<\/td>\n

\n

\u0110\u00e1nh gi\u00e1 d\u1ef1a theo thang \u0111\u00e1nh gi\u00e1<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

– pHKCl <\/sub>\u00a0(\u0110\u1ed9 chua)<\/span><\/p>\n

– HC% (H\u1eefu c\u01a1)<\/span><\/p>\n

– N% (\u0110\u1ea1m t\u1ed5ng s\u1ed1)<\/span><\/p>\n

– P2<\/sub>O5<\/sub> mg\/100g \u0111\u1ea5t (L\u00e2n d\u1ec5 ti\u00eau)<\/span><\/p>\n

– K2<\/sub>O mg\/100g \u0111\u1ea5t (Kali d\u1ec5 ti\u00eau)<\/span><\/p>\n

– Zn ppm (K\u1ebdm d\u1ec5 ti\u00eau)<\/span><\/p>\n<\/td>\n

\n

3,87<\/span><\/p>\n

3,39<\/span><\/p>\n

0,17<\/span><\/p>\n

0,44<\/span><\/p>\n

4,69<\/span><\/p>\n

2,58<\/span><\/p>\n<\/td>\n

\n

-\u0110\u1ea5t r\u1ea5t chua<\/span><\/p>\n

-H\u00e0m l\u01b0\u1ee3ng h\u1eefu c\u01a1 trung b\u00ecnh<\/span><\/p>\n

-\u0110\u1ea1m t\u1ed5ng s\u1ed1 trung b\u00ecnh<\/span><\/p>\n

-L\u00e2n d\u1ec5 ti\u00eau r\u1ea5t ngh\u00e8o<\/span><\/p>\n

-Kali d\u1ec5 ti\u00eau r\u1ea5t ngh\u00e8o<\/span><\/p>\n

-K\u1ebdm d\u1ec5 ti\u00eau ngh\u00e8o<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00a0\u00a0\u00a0\u00a0 Tr\u00ean c\u01a1 s\u1edf n\u00e0y, c\u01a1 quan chuy\u00ean m\u00f4n s\u1ebd khuy\u1ebfn c\u00e1o lo\u1ea1i ph\u00e2n v\u00e0 li\u1ec1u l\u01b0\u1ee3ng b\u00f3n cho v\u01b0\u1eddn c\u00e0 ph\u00ea theo m\u1ee9c n\u0103ng su\u1ea5t d\u1ef1 ki\u1ebfn \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 kinh t\u1ebf\u00a0 (b\u00f3n ph\u00e2n theo \u0111\u1ed9 ph\u00ec \u0111\u1ea5t v\u00e0 n\u0103ng su\u1ea5t \u0111\u1ea1t \u0111\u01b0\u1ee3c).<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0 Trong canh t\u00e1c c\u00e0 ph\u00ea, vi\u1ec7c b\u00f3n ph\u00e2n c\u1ea7n ph\u1ea3i d\u1ef1a tr\u00ean c\u01a1 s\u1edf khoa h\u1ecdc \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng b\u00f3n ph\u00e2n ph\u00f9 h\u1ee3p, c\u00e2n \u0111\u1ed1i \u0111\u1ea3m b\u1ea3o cho c\u00e2y sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n t\u1ed1t. \u0110\u1ed3ng th\u1eddi, vi\u1ec7c s\u1eed d\u1ee5ng ph\u00e2n b\u00f3n ph\u00f9 h\u1ee3p, d\u1ef1a theo nhu c\u1ea7u c\u1ee7a c\u00e2y s\u1ebd tr\u00e1nh l\u00e0m \u0111\u1ea5t \u0111ai b\u1ecb tho\u00e1i h\u00f3a, t\u0103ng hi\u1ec7u qu\u1ea3 kinh t\u1ebf c\u0169ng nh\u01b0 gi\u1ea3m\u00a0 thi\u1ec3u \u1ea3nh h\u01b0\u1edfng x\u1ea5u t\u1edbi m\u00f4i tr\u01b0\u1eddng s\u1ed1ng c\u1ee7a sinh v\u1eadt.<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0 <\/em><\/strong>Vi\u1ec7n KHKT N\u00f4ng L\u00e2m nghi\u1ec7p T\u00e2y Nguy\u00ean l\u00e0 \u0111\u01a1n v\u1ecb c\u00f3 ch\u1ee9c n\u0103ng ph\u00e2n t\u00edch \u0111\u1ea5t v\u00e0 h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng ph\u00e2n b\u00f3n cho c\u00e0 ph\u00ea. M\u1ecdi th\u00f4ng tin chi ti\u1ebft xin li\u00ean h\u1ec7 :<\/em><\/span><\/p>\n

Ph\u00f2ng Ph\u00e2n t\u00edch N\u00f4ng h\u00f3a<\/em><\/strong>\u00a0<\/span><\/p>\n

Vi\u1ec7n Khoa h\u1ecdc k\u1ef9 thu\u1eadt N\u00f4ng L\u00e2m nghi\u1ec7p T\u00e2y Nguy\u00ean<\/em><\/strong><\/span><\/p>\n

\u0110\u1ecba ch\u1ec9: S\u1ed1 53 Nguy\u1ec5n L\u01b0\u01a1ng B\u1eb1ng <\/em><\/strong>– TP. Bu\u00f4n Ma Thu\u1ed9t – \u0110\u0103k L\u0103k. <\/em><\/strong><\/span><\/p>\n

\u0110i\u1ec7n tho\u1ea1i<\/em><\/strong>: 0262<\/em><\/strong> 3862 876<\/em><\/strong>.<\/em><\/strong><\/span><\/p>\n

\u00a0<\/em><\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Nguy\u1ec5n Th\u1ecb H\u1ed3ng H\u1ea1nh Vi\u1ec7n Khoa h\u1ecdc k\u1ef9 thu\u1eadt N\u00f4ng L\u00e2m nghi\u1ec7p T\u00e2y Nguy\u00ean \u00a0\u00a0\u00a0\u00a0 \u0110\u1ed9 ph\u00ec nhi\u00eau c\u1ee7a \u0111\u1ea5t l\u00e0 kh\u1ea3 n\u0103ng cung c\u1ea5p nh\u1eefng nguy\u00ean t\u1ed1 dinh d\u01b0\u1ee1ng c\u1ea7n thi\u1ebft cho c\u00e2y tr\u1ed3ng sinh tr\u01b0\u1edfng ph\u00e1t tri\u1ec3n, ch\u1ec9 ra kh\u1ea3 n\u0103ng v\u1ed1n c\u00f3 c\u1ee7a \u0111\u1ea5t c\u00f3 t\u00ednh quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn n\u0103ng su\u1ea5t c\u00e2y tr\u1ed3ng. \u00a0\u00a0\u00a0\u00a0 \u0110\u1ec3 x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng dinh d\u01b0\u1ee1ng trong \u0111\u1ea5t n\u1eb1m \u1edf ng\u01b0\u1ee1ng n\u00e0o…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-3737","post","type-post","status-publish","format-standard","hentry","category-ket-qua-nguyen-cuu"],"_links":{"self":[{"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/posts\/3737","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/comments?post=3737"}],"version-history":[{"count":0,"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/posts\/3737\/revisions"}],"wp:attachment":[{"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/media?parent=3737"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/categories?post=3737"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wasi.org.vn\/en\/wp-json\/wp\/v2\/tags?post=3737"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}