GOOD AGRICULTURE PRACTICES FOR SWEET CORN
Maize (Zea mays L) sub species Sweet corn (Zea mays saccharata Sturt) is one of the important cereal grains grown worldwide. Zea mays family crops performs well in well-drained deep fertile soils rich in organic matter pH of 7.5 -8.5. Sweet corn also belongs to the family Poaceae which regular corn belongs.
Seeds varieties:
Sugar 75, SV6881SN, Suruchi, Misthi, NS 680
Seed treatment
Fortenza Duo for control of fall army worm and better germination and yields.
Seed rate:
3 - 4 kg/acre
Manures and fertilizers:
Well rotten farm yard manure / compost @ 6-8 t/acre, 120-150 kg Bio organic Manure [Multiplex Annapurna] + 5- 10 kg Humic acids granules [Ecohume Gr] + [Micronutrient Mixtures] 5 - 10 kg per acre Aries multi micronutrient fertilizer with major nutrients NPK with recommended doses :– 100 : 45 : 40 kg/ per acre
Major Nutrients
Basal dose
|
Fertilisers |
kg |
|
Urea (46 % N) |
50 |
|
DAP (18 % N; 46 % P2O5) |
100 |
|
MOP (60 % K2O) |
50 |
7-8 leaf stage
|
Fertilisers |
kg |
|
Urea (46 % N) |
50 kg |
|
MOP (60 % K2O) |
20 |
10-12 leaf stage
|
Fertilisers |
kg |
|
Urea (46 % N) |
50 kg |
Major Nutrients
Basal dose for Drip irrigated fertigation
|
Fertilisers |
kg |
|
Urea (46 % N) |
25 |
|
DAP (18 % N; 46 % P2O5) |
50 |
|
MOP (60 % K2O) |
25 |
Fertigation may also be provided in the drip but basal dose may also be reduced.
Fertigation schedule for Sweet corn
|
SL NO. |
DAYS AFTER SOWING |
WATER SOLUBLE FERTILISERS PER ACRE OF PLOT |
|
1 |
7 |
12 :61 :00 - 3.0 kg + Jivras 1.5 litre |
|
2 |
12 |
12 :61 :00 - 3.0 kg + Prokissan 250 grams |
|
3 |
17 |
13 : 00 : 45 - 4.0 kg |
|
4 |
22 |
13 : 00 : 45 - 4.0 kg |
|
5 |
27 |
19 :19 :19 - 4.0 kg + Magnesium Sulphate - 10 kg |
|
6 |
32 |
Ammonium Sulphate - 15 kg |
|
7 |
37 |
Ammonium Sulphate - 20 kg |
|
8 |
45 |
Calcium Nitrate - 5 kg |
|
9 |
50 |
19 :19 :19 - 4.0 kg + Allbor 250 gm |
|
10 |
55 |
13 : 00 : 45 - 4.0 kg |
|
11 |
60 |
19 :19 :19 - 4.0 kg |
|
12 |
65 |
13 : 00 : 45 - 4.0 kg |
|
13 |
70 |
Calcium Nitrate - 5 kg |
|
14 |
75 |
19 :19 :19 - 6.0 kg |
|
15 |
80 |
Ammonium Sulphate 10 kg |
Note: The above schedule provided is general recommendations generated assuming the requirement of nutrients by the crop and it is not based on any particular soil analyses, and recommendations may differ based on soil test values.
Plant Protection
Fall army worm and stem borer are major pests
Seed treatment with Fortenza Duo have effect on fall army worm and stem borer as well.
Cutworms/ Fall army worm Spodoptera frugiperda and Maize stem borer [Busseola fusca] major insects
Spraying in the evening
Ampligo 0.4 – 0.5 mL/L OR Delegate 0.9 mL OR Coragen 0.33 mL/L + Econeem plus 1 % - 1 mL/L
Poison Baiting to kill Fall army worm or cutworm
The army worm will be dwelling in the soil and will be coming out to feed the baiting technique may be an effective method to kill them. As the bait has attractant jaggery the larvae gets attracted to jaggery, feed on the bait mixture and will be killed avoiding them to feed on the corn. Bait mixture must be evenly broadcasted evenly all over the maize plot.
The process of baiting can be a mixture of 3 components,
- Poison (Insecticide): 2. Carrier or base (Rice bran), and Attractant (Jaggery) at ratio of 1:10:1. Mix all the items with given ratio to prepare the bait mixture.
The poison may a stomach poison insecticide can be used like Larvin and for biological control the BACILLUS THURENGIENSIS Bt. Delfin may be used.
Weed Management: Atrazine- 3 g /litre (Pre-emergent herbicide)- Spray - on sowing or next day after sowing. Selective herbicides like Basf Tynzer, Bayer Laudis, PI Elite and weedmar are selective herbicides for corn and Sweet corn.
Harvesting:
The sweet corn is harvested when cob-sheath turns slight yellow and with still at milky stage. Usually in between 84-90 days after sowing/planting.
K SANJEEVA REDDY,
Senior Agronomist, BigHaat.
For more information kindly call on 8050797979 or give missed call on 180030002434 during office hours 10 AM to 5 PM
Disclaimer: The performance of the product (s) is subject to usage as per manufacturer guidelines. Read enclosed leaflet of the product(s) carefully before use. The use of this product(s)/ information is at the discretion of user.
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