{"id":21,"date":"2026-05-31T08:56:00","date_gmt":"2026-05-31T01:56:00","guid":{"rendered":"http:\/\/kholanhnongsan.com\/?p=21"},"modified":"2026-05-31T08:56:00","modified_gmt":"2026-05-31T01:56:00","slug":"nguyen-ly-hoat-dong-cua-kho-lanh-bao-quan-nong-san-va-cach-giu-chat-luong-sau-thu-hoach","status":"publish","type":"post","link":"https:\/\/kholanhnongsan.com\/?p=21","title":{"rendered":"Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a kho l\u1ea1nh b\u1ea3o qu\u1ea3n n\u00f4ng s\u1ea3n v\u00e0 c\u00e1ch gi\u1eef ch\u1ea5t l\u01b0\u1ee3ng sau thu ho\u1ea1ch"},"content":{"rendered":"
\"\"\/<\/figure>\n

Sau khi r\u1eddi kh\u1ecfi c\u00e2y tr\u1ed3ng, rau c\u1ee7 qu\u1ea3 v\u00e0 ph\u1ea7n l\u1edbn n\u00f4ng s\u1ea3n v\u1eabn l\u00e0 nh\u1eefng c\u01a1 th\u1ec3 s\u1ed1ng ti\u1ebfp t\u1ee5c h\u00f4 h\u1ea5p, b\u1ed1c h\u01a1i n\u01b0\u1edbc v\u00e0 ch\u00edn d\u1ea7n. Ch\u00ednh qu\u00e1 tr\u00ecnh sinh h\u1ecdc \u00e2m th\u1ea7m n\u00e0y khi\u1ebfn n\u00f4ng s\u1ea3n nhanh h\u00e9o, m\u1ec1m nh\u0169n, m\u1ea5t m\u00e0u v\u00e0 h\u01b0 h\u1ecfng n\u1ebfu \u0111\u1ec3 \u1edf nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng. Kho l\u1ea1nh ra \u0111\u1eddi \u0111\u1ec3 can thi\u1ec7p tr\u1ef1c ti\u1ebfp v\u00e0o c\u00e1c ph\u1ea3n \u1ee9ng \u0111\u00f3, k\u00e9o d\u00e0i th\u1eddi gian s\u1eed d\u1ee5ng t\u1eeb v\u00e0i ng\u00e0y l\u00ean v\u00e0i tu\u1ea7n, th\u1eadm ch\u00ed v\u00e0i th\u00e1ng. Hi\u1ec3u \u0111\u01b0\u1ee3c nguy\u00ean l\u00fd v\u1eadn h\u00e0nh c\u1ee7a kho l\u1ea1nh l\u00e0 \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea7u ti\u00ean \u0111\u1ec3 khai th\u00e1c hi\u1ec7u qu\u1ea3 thi\u1ebft b\u1ecb n\u00e0y.<\/p>\n

V\u00ec sao h\u1ea1 nhi\u1ec7t \u0111\u1ed9 l\u1ea1i b\u1ea3o qu\u1ea3n \u0111\u01b0\u1ee3c n\u00f4ng s\u1ea3n<\/h2>\n

M\u1ecdi ph\u1ea3n \u1ee9ng sinh h\u00f3a trong t\u1ebf b\u00e0o n\u00f4ng s\u1ea3n \u0111\u1ec1u ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9. Theo quy lu\u1eadt chung, c\u1ee9 gi\u1ea3m 10 \u0111\u1ed9 C th\u00ec t\u1ed1c \u0111\u1ed9 h\u00f4 h\u1ea5p v\u00e0 c\u00e1c ph\u1ea3n \u1ee9ng ph\u00e2n h\u1ee7y gi\u1ea3m kho\u1ea3ng hai \u0111\u1ebfn ba l\u1ea7n. M\u1ed9t qu\u1ea3 c\u00e0 chua \u0111\u1ec3 \u1edf 25 \u0111\u1ed9 C c\u00f3 th\u1ec3 ch\u00edn h\u1ecfng trong b\u1ed1n \u0111\u1ebfn n\u0103m ng\u00e0y, nh\u01b0ng n\u1ebfu gi\u1eef \u1edf 10-12 \u0111\u1ed9 C th\u00ec th\u1eddi gian n\u00e0y k\u00e9o d\u00e0i g\u1ea5p ba, b\u1ed1n l\u1ea7n. H\u1ea1 nhi\u1ec7t \u0111\u1ed9 c\u00f2n \u1ee9c ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a vi khu\u1ea9n, n\u1ea5m m\u1ed1c v\u00e0 men ph\u00e2n h\u1ee7y, \u0111\u1ed3ng th\u1eddi l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh s\u1ea3n sinh kh\u00ed ethylene, lo\u1ea1i hormone th\u00fac \u0111\u1ea9y qu\u1ea3 ch\u00edn nhanh.<\/p>\n

Tuy nhi\u00ean h\u1ea1 nhi\u1ec7t kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 c\u00e0ng l\u1ea1nh c\u00e0ng t\u1ed1t. M\u1ed7i lo\u1ea1i n\u00f4ng s\u1ea3n c\u00f3 m\u1ed9t ng\u01b0\u1ee1ng nhi\u1ec7t t\u1ed1i \u01b0u ri\u00eang. Chu\u1ed1i, d\u1ee9a, khoai lang hay c\u00e0 chua thu\u1ed9c nh\u00f3m nh\u1ea1y c\u1ea3m v\u1edbi l\u1ea1nh, n\u1ebfu \u0111\u1ec3 d\u01b0\u1edbi 12 \u0111\u1ed9 C s\u1ebd b\u1ecb t\u1ed5n th\u01b0\u01a1ng l\u1ea1nh, bi\u1ec3u hi\u1ec7n l\u00e0 r\u1ed7 v\u1ecf, th\u00e2m \u0111en, m\u1ea5t h\u01b0\u01a1ng v\u1ecb. Ng\u01b0\u1ee3c l\u1ea1i t\u00e1o, nho, c\u1ea3i b\u1eafp l\u1ea1i ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 g\u1ea7n 0 \u0111\u1ed9 C. V\u1eadn h\u00e0nh kho l\u1ea1nh sai ng\u01b0\u1ee1ng \u0111\u00f4i khi g\u00e2y h\u1ea1i nhi\u1ec1u h\u01a1n \u0111\u1ec3 ngo\u00e0i tr\u1eddi.<\/p>\n

C\u00e1c b\u1ed9 ph\u1eadn ch\u00ednh t\u1ea1o n\u00ean m\u1ed9t kho l\u1ea1nh<\/h2>\n

M\u1ed9t h\u1ec7 th\u1ed1ng kho l\u1ea1nh ho\u00e0n ch\u1ec9nh g\u1ed3m b\u1ed1n c\u1ee5m thi\u1ebft b\u1ecb l\u00e0m vi\u1ec7c li\u00ean t\u1ee5c theo chu tr\u00ecnh kh\u00e9p k\u00edn. M\u00e1y n\u00e9n l\u00e0 tr\u00e1i tim, c\u00f3 nhi\u1ec7m v\u1ee5 n\u00e9n m\u00f4i ch\u1ea5t l\u1ea1nh \u1edf d\u1ea1ng h\u01a1i l\u00ean \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao. D\u00e0n ng\u01b0ng t\u1ee5 \u0111\u1eb7t b\u00ean ngo\u00e0i gi\u1ea3i ph\u00f3ng nhi\u1ec7t ra m\u00f4i tr\u01b0\u1eddng, bi\u1ebfn m\u00f4i ch\u1ea5t th\u00e0nh d\u1ea1ng l\u1ecfng. Van ti\u1ebft l\u01b0u h\u1ea1 \u00e1p su\u1ea5t \u0111\u1ed9t ng\u1ed9t khi\u1ebfn m\u00f4i ch\u1ea5t l\u1ea1nh s\u00e2u. Cu\u1ed1i c\u00f9ng d\u00e0n bay h\u01a1i \u0111\u1eb7t trong ph\u00f2ng l\u1ea1nh h\u1ea5p th\u1ee5 nhi\u1ec7t t\u1eeb kh\u00f4ng kh\u00ed v\u00e0 n\u00f4ng s\u1ea3n, t\u1ea1o ra h\u01a1i l\u1ea1nh th\u1ed5i v\u00e0o kho.<\/p>\n

Bao quanh c\u00e1c thi\u1ebft b\u1ecb n\u00e0y l\u00e0 v\u1ecf kho l\u00e0m t\u1eeb panel c\u00e1ch nhi\u1ec7t, th\u01b0\u1eddng l\u00e0 t\u1ea5m polyurethane (PU) d\u00e0y t\u1eeb 75 \u0111\u1ebfn 150 mm t\u00f9y nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh. L\u1edbp c\u00e1ch nhi\u1ec7t c\u00e0ng d\u00e0y th\u00ec kh\u1ea3 n\u0103ng gi\u1eef l\u1ea1nh c\u00e0ng t\u1ed1t v\u00e0 chi ph\u00ed \u0111i\u1ec7n c\u00e0ng th\u1ea5p. C\u1eeda kho ph\u1ea3i k\u00edn h\u01a1i, c\u00f3 gio\u0103ng cao su v\u00e0 thanh nhi\u1ec7t ch\u1ed1ng \u0111\u00f3ng b\u0103ng. H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n v\u1edbi c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9, r\u01a1 le v\u00e0 b\u1ed9 h\u1eb9n x\u1ea3 \u0111\u00e1 \u0111\u1ea3m b\u1ea3o kho v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh m\u00e0 kh\u00f4ng c\u1ea7n ng\u01b0\u1eddi t\u00fac tr\u1ef1c li\u00ean t\u1ee5c.<\/p>\n

Vai tr\u00f2 c\u1ee7a \u0111\u1ed9 \u1ea9m v\u00e0 l\u01b0u th\u00f4ng kh\u00ed<\/h2>\n

Nhi\u1ec1u ng\u01b0\u1eddi ch\u1ec9 ch\u00fa \u00fd \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 m\u00e0 qu\u00ean r\u1eb1ng \u0111\u1ed9 \u1ea9m m\u1edbi l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 t\u01b0\u01a1i c\u1ee7a rau l\u00e1 v\u00e0 tr\u00e1i c\u00e2y m\u1ecdng n\u01b0\u1edbc. N\u1ebfu \u0111\u1ed9 \u1ea9m trong kho qu\u00e1 th\u1ea5p, n\u00f4ng s\u1ea3n s\u1ebd b\u1ed1c h\u01a1i n\u01b0\u1edbc, h\u00e9o v\u00e0 gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng, g\u00e2y thi\u1ec7t h\u1ea1i tr\u1ef1c ti\u1ebfp v\u1ec1 c\u00e2n n\u1eb7ng khi b\u00e1n. Ph\u1ea7n l\u1edbn rau c\u1ee7 c\u1ea7n \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i t\u1eeb 90 \u0111\u1ebfn 95 ph\u1ea7n tr\u0103m, trong khi h\u00e0nh t\u1ecfi l\u1ea1i \u01b0a m\u00f4i tr\u01b0\u1eddng kh\u00f4 kho\u1ea3ng 65 \u0111\u1ebfn 70 ph\u1ea7n tr\u0103m. M\u1ed9t s\u1ed1 kho hi\u1ec7n \u0111\u1ea1i trang b\u1ecb th\u00eam m\u00e1y t\u1ea1o \u1ea9m phun s\u01b0\u01a1ng \u0111\u1ec3 b\u00f9 l\u1ea1i l\u01b0\u1ee3ng n\u01b0\u1edbc hao h\u1ee5t.<\/p>\n

L\u01b0u th\u00f4ng kh\u00f4ng kh\u00ed c\u0169ng quan tr\u1ecdng kh\u00f4ng k\u00e9m. Lu\u1ed3ng kh\u00ed l\u1ea1nh ph\u1ea3i ph\u00e2n b\u1ed1 \u0111\u1ec1u kh\u1eafp kho \u0111\u1ec3 m\u1ecdi v\u1ecb tr\u00ed c\u00f3 c\u00f9ng nhi\u1ec7t \u0111\u1ed9, tr\u00e1nh t\u00ecnh tr\u1ea1ng g\u00f3c n\u00e0y qu\u00e1 l\u1ea1nh \u0111\u00f3ng b\u0103ng c\u00f2n g\u00f3c kia v\u1eabn \u1ea5m. V\u00ec v\u1eady khi x\u1ebfp h\u00e0ng c\u1ea7n ch\u1eeba kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c pallet, kh\u00f4ng k\u00ea s\u00e1t t\u01b0\u1eddng, kh\u00f4ng b\u1ecbt k\u00edn d\u00e0n l\u1ea1nh. H\u00e0ng h\u00f3a n\u00ean \u0111\u01b0\u1ee3c x\u1ebfp l\u00ean k\u1ec7 ho\u1eb7c pallet cao h\u01a1n m\u1eb7t s\u00e0n \u00edt nh\u1ea5t m\u01b0\u1eddi centimet \u0111\u1ec3 kh\u00ed l\u1ea1nh lu\u1ed3n \u0111\u01b0\u1ee3c xu\u1ed1ng d\u01b0\u1edbi.<\/p>\n

Nh\u1eefng sai l\u1ea7m th\u01b0\u1eddng g\u1eb7p khi v\u1eadn h\u00e0nh<\/h2>\n

Sai l\u1ea7m ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 \u0111\u01b0a n\u00f4ng s\u1ea3n c\u00f2n n\u00f3ng t\u1eeb ru\u1ed9ng v\u00e0o th\u1eb3ng kho l\u1ea1nh. Kh\u1ed1i nhi\u1ec7t l\u1edbn n\u00e0y l\u00e0m m\u00e1y n\u00e9n ph\u1ea3i ch\u1ea1y qu\u00e1 t\u1ea3i, v\u1eeba t\u1ed1n \u0111i\u1ec7n v\u1eeba khi\u1ebfn nhi\u1ec7t \u0111\u1ed9 kho dao \u0111\u1ed9ng m\u1ea1nh, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nh\u1eefng l\u00f4 h\u00e0ng kh\u00e1c. Gi\u1ea3i ph\u00e1p l\u00e0 l\u00e0m m\u00e1t s\u01a1 b\u1ed9 b\u1eb1ng ph\u00f2ng ti\u1ec1n l\u1ea1nh ho\u1eb7c n\u01b0\u1edbc l\u1ea1nh tr\u01b0\u1edbc khi nh\u1eadp kho. M\u1ed9t l\u1ed7i kh\u00e1c l\u00e0 ch\u1ea5t h\u00e0ng qu\u00e1 \u0111\u1ea7y, b\u1ecbt k\u00edn \u0111\u01b0\u1eddng gi\u00f3 khi\u1ebfn ph\u1ea7n gi\u1eefa kh\u1ed1i h\u00e0ng kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m l\u1ea1nh t\u1edbi n\u01a1i.<\/p>\n

Vi\u1ec7c m\u1edf c\u1eeda kho th\u01b0\u1eddng xuy\u00ean v\u00e0 l\u00e2u c\u0169ng khi\u1ebfn h\u01a1i n\u00f3ng \u1ea9m tr\u00e0n v\u00e0o, v\u1eeba l\u00e0m t\u0103ng t\u1ea3i l\u1ea1nh v\u1eeba t\u1ea1o \u0111i\u1ec1u ki\u1ec7n \u0111\u00f3ng tuy\u1ebft tr\u00ean d\u00e0n l\u1ea1nh. Nhi\u1ec1u c\u01a1 s\u1edf kh\u00f4ng b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3, \u0111\u1ec3 b\u1ee5i b\u00e1m d\u00e0y d\u00e0n ng\u01b0ng l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t t\u1ea3n nhi\u1ec7t, m\u00e1y ch\u1ea1y nhi\u1ec1u m\u00e0 v\u1eabn kh\u00f4ng \u0111\u1ee7 l\u1ea1nh. N\u1eafm v\u1eefng nguy\u00ean l\u00fd v\u00e0 tu\u00e2n th\u1ee7 quy tr\u00ecnh v\u1eadn h\u00e0nh \u0111\u00fang s\u1ebd gi\u00fap kho l\u1ea1nh ph\u00e1t huy t\u1ed1i \u0111a gi\u00e1 tr\u1ecb, gi\u1ea3m hao h\u1ee5t sau thu ho\u1ea1ch v\u00e0 b\u1ea3o to\u00e0n ch\u1ea5t l\u01b0\u1ee3ng n\u00f4ng s\u1ea3n cho t\u1edbi tay ng\u01b0\u1eddi ti\u00eau d\u00f9ng.<\/p>\n","protected":false},"excerpt":{"rendered":"

Sau khi r\u1eddi kh\u1ecfi c\u00e2y tr\u1ed3ng, rau c\u1ee7 qu\u1ea3 v\u00e0 ph\u1ea7n l\u1edbn n\u00f4ng s\u1ea3n v\u1eabn l\u00e0 nh\u1eefng c\u01a1 th\u1ec3 s\u1ed1ng ti\u1ebfp t\u1ee5c h\u00f4 h\u1ea5p, b\u1ed1c h\u01a1i n\u01b0\u1edbc v\u00e0 ch\u00edn d\u1ea7n. Continue Reading →<\/a><\/p>\n","protected":false},"author":0,"featured_media":20,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-21","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chua-phan-loai"],"_links":{"self":[{"href":"https:\/\/kholanhnongsan.com\/index.php?rest_route=\/wp\/v2\/posts\/21","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kholanhnongsan.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kholanhnongsan.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/kholanhnongsan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=21"}],"version-history":[{"count":0,"href":"https:\/\/kholanhnongsan.com\/index.php?rest_route=\/wp\/v2\/posts\/21\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kholanhnongsan.com\/index.php?rest_route=\/wp\/v2\/media\/20"}],"wp:attachment":[{"href":"https:\/\/kholanhnongsan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=21"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kholanhnongsan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kholanhnongsan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}