Sifat pupuk sangat
beragam sehingga pemilihan pupuk hendaknya mengacu pada Standar Nasional
Indonesia ( SNI ) yang telah ada.
Sumber Hara
|
Hara Utama
|
N
|
P2O5
|
K2O
|
MgO
|
CaO
|
B
|
Cu
|
S
|
Cl
|
1. Pupuk Tunggal
|
||||||||||
- Urea
|
N
|
46
|
|
|
|
|
|
|
|
|
- Ammonium Nitrat
(AN)
|
N
|
35
|
|
|
|
|
|
|
|
|
- Sulphate of
Ammonia (SOA - ZA)
|
N, S
|
21
|
|
|
|
|
|
|
24
|
|
- Rock Phosphate
(RP)
|
P, Ca
|
|
30
|
|
|
45
|
|
|
|
|
- Triple Super
Phosphate (TSP)
|
P, Ca
|
|
46
|
|
|
20
|
|
|
|
|
- Single Super
Phosphate (SSP)
|
P, Ca, S
|
|
18
|
|
|
25
|
|
|
11
|
|
- Muriate of Potash
(MOP - KCl)
|
K, Cl
|
|
|
60
|
|
|
|
|
|
35
|
- Sulphate of Potash
(SOP-ZK)
|
K, S
|
|
|
50
|
|
|
|
|
17
|
|
- Kieserite
|
Mg, S
|
|
|
|
27
|
|
|
|
23
|
|
- Dolomit
|
Mg, Ca
|
|
|
|
22
|
30
|
|
|
|
|
- Sulfur
|
S
|
|
|
|
|
|
|
|
97
|
|
- Borate
|
B
|
|
|
|
|
|
11
|
|
|
|
- Copper Sulphate
(CuSO4.H2O)
|
Cu
|
|
|
|
|
|
|
25
|
13
|
|
- Langbeinite
|
K, Mg, S
|
|
|
22
|
18
|
|
|
|
22
|
|
2. Pupuk Majemuk
|
||||||||||
- Diammonium
Phosphate (DAP)
|
N, P
|
18
|
46
|
|
|
|
|
|
|
|
- NPK (12-12-17-2)
|
N,P,K,Mg
|
12
|
12
|
17
|
2
|
|
|
|
|
|
- NPK (15-15-6-4)
|
N,P,K,Mg
|
15
|
15
|
6
|
4
|
|
|
|
|
|
- NPK (15-15-15)
|
N,P,K
|
15
|
15
|
16
|
|
|
|
|
|
|
3. Sisa - sisa
Tanaman
|
||||||||||
- Abu tandan kosong
|
K, Mg, Ca
|
|
4
|
40
|
6
|
5
|
|
|
|
|
- Tandan kosong
|
N, K
|
< 1
|
0,1
|
1,2
|
0,1
|
0,1
|
|
|
|
|
- Pelepah hasil
tunasan
|
N, P, K
|
0,5
|
0,1
|
0,8
|
0,1
|
0,1
|
|
|
|
|
- Limbah cair PKS
|
N, K, Mg
|
0,4
|
0,2
|
1,3
|
0,4
|
|
|
|
|
|
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