Remember: this is only a guide and requirements & nutrient value may differ depending on specific situations.
Step 3 - Choose your Main Fertiliser...
...depending on Organic Manure Usage.
Example: Planning on applying 18m 3 /Ha of FYM in late spring and incorporating within 24 hours giving...
N P
K MgO SO 3
11
34
169
32
4
Step 4 - Choose your Final Fertiliser
N, P, K requirements derived from the RB209 (Fertiliser Manual) and the MgO & SO3 requirements adapted from industry recommendations in PDA booklet (Potash Development Association).
Example: Looking at final requirements, a top up dressing of nitrogen should be applied no later than 3 leaf stage after weed control. DS+24N - 14SO 3 applied @ 288Kg/Ha will supply the reaming...
N P
K MgO SO 3
69
0
0
0
40
12
13
Step 1 - Decide on your Yield Potential
Actual nutrients applied
Example: (SNS1, P1, K2-, Mg2) Working on an everage of 40 t/Ha the maize crop requires...
N P
K MgO SO 3
100
85
175
35
67
N P
K MgO SO 3
Following this process carefully will ensure you get the most our of your maize crop and adhere to th elegislation regarding organic manures and nitrogen applications.
100
85
175
30
60
The illustration charts are for guideance only and all compliance with current legislation is the responsibility of the Farmer / Grower.
Step 2 - Choose your starter Fertiliser
Example: Phosphate D 12.5N-32P-4K+MgO+5CaO_14.5SO 3 Blend down the spout @ 160Kg/Ha will apply...
N P
K MgO SO 3
20
51
6
3
23
BARTHOLOMEWS
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