Step by Step Maize Production in Nigeria
Lifestyle | Published on May 24, 2022By Iyorkaa Nater
Site Selection
Select a well drained loamy soil for maize production
Land preparation
For high grain yield, maize should be sown in well prepared ridges 75 cm apart. This can be done using animal-drawn implements can be used for preparing ridges, or these can be made by hand, hoe, or tractor mounted tillage equipment
Planting date
Planting should be done as soon as the rains are established and preferably immediately after a good rain. The establishment of rains varies according to the different ecological zones and from one year to another. However, optimal planting dates in the major ecological zones in northern Nigeria usually lie within the following ranges:
- Sudan savanna: first – second week of July.
- Northern Guinea savanna: last week in June to the first week in July.
- Southern Guinea savanna: mid-May to the second week in June.
However, where early and extra-early maturing varieties are not to be eaten green, planting may be adjusted in the southern parts of the State to mid-July to allow maturity to coincide with the onset of the dry season.
Maize varieties
Maize hybrids recommended for northern Nigeria
Ecology | Hybrids | Remarks |
Northern Guinea and
Sudan savannas |
P48W03 | Prolific, combines host plant resistance to Striga and tolerance to Metsulfuron methyl (MSM) for Striga control (4.5 t/ha). |
Guinea Savanna | DK777
|
High grain yield, good stay-green characteristics, and tolerance to S. hermonthica (10.9 t/ha). |
SC719 | High yield and large grain size (12 t/ha). | |
SC651 | Tolerance to drought and S. hermonthica. High yield potential and good husk cover (9.7 t/ha). | |
Guinea savanna and
Forest Ecology |
30Y87 | High yield, excellent stay-green characteristics, uniform ear placement and good standability (12.0 t/ha). |
Open-pollinated maize varieties (OPV) recommended for northern Nigeria
Ecology | Varieties | Remarks |
Southern Guinea
savanna |
SAMMAZ 15 (IWDC2Syn-F2-W)
SAMMAZ 40 (DTSTR-Y SYN2) SAMMAZ 51 (IWD C3 SYN/DTSTR) |
Use in areas where drought
and Striga are problems |
Northern Guinea
savanna |
SAMMAZ 15 (IWDC2Syn-F2-W)
SAMMAZ 27 (EV 99DT-W-STR) SAMMAZ 40 (DTSTR-Y SYN2) SAMMAZ 48 (2011 TZE W-DT) SAMMAZ 51 (IWD C3 SYN/DTSTR) |
Use in areas where drought
and Striga are problems |
Sudan savanna | SAMMAZ 27 (EV 99DT-W-STR)
SAMMAZ 48 (2011 TZE W-DT) SAMMAZ 32 (99 TZEE-STR-QPM) |
Use in drought-prone areas and areas with a short season. Where Striga is a problem, use extra-early and drought escape varieties |
Spacing and planting
The plant spacing recommended for maize in the Nigerian savannas is 75 × 50 cm, where 2 plants per stand are adopted
Seed rate
About 15–20 kg of maize seeds is required to plant a hectare, which is about 2½ acres. Plant 3 seeds per hole and later thin the stand to 2 plants at about 1–2 weeks after germination
Fertilizer application for OPVs
The recommended fertilizer rate should be applied in two split applications. The first dose (that is 50:50:50) should be applied at planting or within the first week of planting using about 6 bags of NPK 15-15-15.
The second dose of N (50 kg, about 2 bags of urea) should be applied between 4 and 5 weeks after planting in the Southern and Northern Guinea savanna zones, but between 3 and 4 weeks after planting for extra-early varieties in the Sudan savanna
Fertilizer application for Hybrids
The recommended fertilizer rate should be applied in three split applications.
The first dose should be applied at planting or within the first week of planting using about 8 bags of NPK 15-15-15.
The second dose of N (50 kg, about 2 bags of urea) should be applied between 4 and 5 weeks after planting
The third dose of N (50 kg, about 2 bags of urea) should be applied between 7 weeks after planting
All fertilizers should be buried during application. Ensure that the second weeding has been conducted before the second fertilizer dose is applied.
Note that delay in the application of the first dose of fertilizer beyond week 1 after planting will drastically reduce the grain yield of early and extra-early varieties. Also, the second dose should not be delayed beyond 4 weeks after planting. Fertilizer should be applied in small quantities of 2 coca cola caps filled with NPK 1 week after planting.
One coca cola cap filled with urea should be applied at 4 weeks after planting. The fertilizer should be poured into a hole made with a stick at a distance of about 5–8 cm away from the maize plant and below the soil surface. Do not leave applied fertilizers exposed on the soil surface. Always cover applied fertilizer with soil.
Weed control
Manual weed control: Two manual weeding is recommended to be conducted at 2 weeks and 4–5 weeks after planting. In areas where Imperata cylindrica is a problem, weeding may start as early as 2 or 3 weeks after planting and more than 2 manual weeding may be required.
Chemical weed control: The increasing problem of lack of appropriate labor has increased the adoption of chemical weed control. The herbicide recommendation provided in Table below is for both large scale and peasant farmers.
Chemical weed control in maize
Product | Rate/ha | Condition of use |
Glyphosate | 4 liters | Before land preparation |
Primextra Gold | 3–4 liters | Apply immediately after planting or the following day. Up to 4 liters/ha is recommended for the forest transition zone |
Dual Gold 960 EC | 0.6–1.6 liters | Apply immediately after planting or the day after planting. |
Stricker | 2 – 3 Bottles | Apply at 21 to 28 days after planting |
Fall Armyworm (FAW) control
In Nigeria some insecticides are in the market that can control FAW if applied in the first 3 weeks after planting. For example, the chemical called Ampligo or Emacot should be applied once per week for 3 weeks after planting maize. For effective control, use 1 satchet in 20-L knapsack sprayer.
Harvesting
When maize is to be consumed fresh, harvesting should be conducted when the silk has turned brown (50–70 days after planting). But when grain is needed, harvest as soon as the grain is dry enough (80– 110 days after planting) depending on the variety.
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