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  #911 (permalink)  
Old 02-02-2010, 10:44 PM
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Quote:
Originally Posted by abang mat View Post
tersilap dok ingat kat phosphate conversion factor 0.43..........ambil no pertama (supaya senang nak ingat factor dia )..............rupanya no ke dua......betullah 0.83 factor dia.

jika kata dkt package nilai gred 2+2+4 baja biji

kiraan

N=2 >1000x0.2 = 200ppm

P= >1000x 0.2x 0.43 = 86ppm


K= 4 1000x0.4x0.83 = 322 ppm

adakah pengiraan mcm nie kenapa perlu darabkan dgn 1000

kiraan nie saya ada terlihat.tapi lupa

maaf bertanya lagi. walaupon pening berguling pon saya sanggup utk kira baja nie.3hari saya cuba kira dan terus kira.selagi tak pandai tak berhenti.
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  #912 (permalink)  
Old 02-02-2010, 10:47 PM
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Originally Posted by jugra View Post
bukan 0.84% tapi 84% atau 0.84
secara teori
cuma 83% tapi tak tahu macamana abang mat dapat tambah 1

2K/K2O=0.83 atau 83%
K/KNO3=0.386 atau 38.6%

Dalam baja NPK (13.5-0-46)
i.e K2O=46% atau dalam 1 g/l =460 ppm K2O
kalau nak cari K=460x0.83
=382 ppm K
t.kasih kerana membantu niat usaha saya nak belajar
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  #913 (permalink)  
Old 02-02-2010, 11:02 PM
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bagaimana gred baja SOP npk 0+0+50+18s

jika perlu k122ppm

50%= k 0.83 x 0.50 =42%

k=122/ 0.42 = 290.47 mg


s dlm k2SO4

290.47x 0.18 = 52.28mg

jika salah tolong betulkan
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  #914 (permalink)  
Old 02-02-2010, 11:11 PM
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mkp 0-52-34

jika P 50ppm = 50/ 22.36% = 223.61 mg/lit

34% k = k sebenar 0.83 x 0.34 =0.2856
=28.56%k

k =223.61 x28.56% = 63.68ppm katakan 64ppm

betul ke kira nie abg mat dan rakan2 lain
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  #915 (permalink)  
Old 02-02-2010, 11:12 PM
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memang benar sdr masih konfius,
cuba ingat 100% sama dengan 1000 ppm

Untuk NPK 2.2.4
setiap gram baja dalam satu liter air akan memberi 20 ppm N, 20 ppm P2O5 dan 40 ppm K2O

atau pun 20 ppm N, 20x0.437 ppm P dan 40x0.83 ppm K
=20 ppm N, 9 ppm P dan 33 ppm K
Quote:
Originally Posted by otakduit View Post
jika kata dkt package nilai gred 2+2+4 baja biji

kiraan

N=2 >1000x0.2 = 200ppm

P= >1000x 0.2x 0.43 = 86ppm


K= 4 1000x0.4x0.83 = 322 ppm

adakah pengiraan mcm nie kenapa perlu darabkan dgn 1000

kiraan nie saya ada terlihat.tapi lupa

maaf bertanya lagi. walaupon pening berguling pon saya sanggup utk kira baja nie.3hari saya cuba kira dan terus kira.selagi tak pandai tak berhenti.
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  #916 (permalink)  
Old 02-02-2010, 11:48 PM
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Quote:
Originally Posted by jugra View Post
memang benar sdr masih konfius,
cuba ingat 100% sama dengan 1000 ppm

Untuk NPK 2.2.4
setiap gram baja dalam satu liter air akan memberi 20 ppm N, 20 ppm P2O5 dan 40 ppm K2O

atau pun 20 ppm N, 20x0.437 ppm P dan 40x0.83 ppm K
=20 ppm N, 9 ppm P dan 33 ppm K
yup saudara konfius.utk pertanyaan yg ini adalah baja biji. npk 2/2/4 + Te

jadi nak tahu ppm utk 1lit..dan sesuai ke utk pokok masa pertumbuhan sebab baja tersebut adalah baja organik slow fertilizer ada TE dan EM

ppm yg telah tahu part permillion. 1kg= 1juta mg

saya baca-baca jumpa pengiraan baja biji npk itu yg saya tanya.

o.k saya dah faham kenapa didarapkan 1000 kerana 1lit= 1000ml

jugra t.kasih saya memang zero.nie lah dia jika tak berguru bertentang mata.

Last edited by otakduit; 02-03-2010 at 12:19 AM.
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  #917 (permalink)  
Old 02-03-2010, 12:14 AM
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Quote:
Originally Posted by otakduit View Post
jika kata dkt package nilai gred 2+2+4 baja biji

kiraan

N=2 >1000x0.2 = 200ppm

P= >1000x 0.2x 0.43 = 86ppm


K= 4 1000x0.4x0.83 = 322 ppm

adakah pengiraan mcm nie kenapa perlu darabkan dgn 1000

kiraan nie saya ada terlihat.tapi lupa

maaf bertanya lagi. walaupon pening berguling pon saya sanggup utk kira baja nie.3hari saya cuba kira dan terus kira.selagi tak pandai tak berhenti.
analisa baja 2:2:4
setiap gram (1000mg) mengandungi 2% (0.02), 2% (0.02)phosphate, 4% (0.04)potash
ppm N = 0.02 x 1000 = 20ppm
ppm phosphate = 20ppm; ppm P = 20 x 0.43 =8.6=9ppm
ppm potash = 1000x 0.04 = 40ppm; K = 40 X 0.83 = 33ppm
cara kira dah betul cuma % ke decimal tak tepat ; ie 2% = 0.02 ...bukan 0.2

Quote:
Originally Posted by otakduit View Post
bagaimana gred baja SOP npk 0+0+50+18s

jika perlu k122ppm

50%= k 0.83 x 0.50 =42%

k=122/ 0.42 = 290.47 mg


s dlm k2SO4

290.47x 0.18 = 52.28mg

jika salah tolong betulkan
%potash 50% (0.5), sulfur 18%
perlu k 122ppm, %K= 0.83 x 0.5 = 41.5% (0.415)
berat baja= 122/0.415 = 294mg
ppm S = 294 x 0.18 = 53ppm

Quote:
Originally Posted by otakduit View Post
mkp 0-52-34

jika P 50ppm = 50/ 22.36% = 223.61 mg/lit

34% k = k sebenar 0.83 x 0.34 =0.2856
=28.56%k

k =223.61 x28.56% = 63.68ppm katakan 64ppm

betul ke kira nie abg mat dan rakan2 lain
baja MKP 0:52:34
perlu kan p 50ppm:
berat baja = 50/(0.52x0.43) = 223.6mg
ppm K dalam 223mg baja = 223.6 x 0.83 x 0.34 = 63ppm

jadi pengiraan anda tu betullah., selamat bermain dengan numbers, semoga tidak konfius.
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  #918 (permalink)  
Old 02-06-2010, 01:09 AM
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abg mat,t.kasih syukor alhamdulilah kerana sudi membantu.kalau silap pokok tak keluar buah agaknya,keluar duit keping2.perah otak abg mat dibuatnya.
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  #919 (permalink)  
Old 02-08-2010, 12:53 PM
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Errm lamer tak masuk forum ni. terlalu sibuk uruskan tanah yg baru dibeli di selatan Thailand.... Saya ada bahan2 untuk buat baja fertigasi yang lengkap, siapa berminat datang ambil la nak bagi murah2 sebab saya tak ada masa nak bancuh baja ini..baru bancuh sekali saja..hubungi pakchu 0129563966.
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  #920 (permalink)  
Old 02-08-2010, 06:14 PM
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Errm lamer tak masuk forum ni. terlalu sibuk uruskan tanah yg baru dibeli di selatan Thailand.... Saya ada bahan2 untuk buat baja fertigasi yang lengkap, siapa berminat datang ambil la nak bagi murah2 sebab saya tak ada masa nak bancuh baja ini..baru bancuh sekali saja..hubungi pakchu 0129563966.
alamak pakchu nasib jauh kalau dekat ,dah datang saya dah lama perhatikan kesungguhan pakchu nie dlm buat baja nie.sampai pegi cameron.selamat berkenalan pakchu tabik hormat
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