Scientific Name
Zea mays
15-350 C
510-1648 mm
Terai-2900 m asl
Sowing Time
Summer, Winter and Spring Maize sown as per season respectively.
Seed Rate
22-25 kg per ha(for 85% Purity% and 85% Germination %)
Fertilizer Application
100:60:40 NPK N in split doses ½ as basal and remaining 1/4th and 1/4th at 25 DAS and 45-50 DAS
fertiliser requirement may vary as per season in which maize is grown.
· Blackjack (Bidens pilosa) · Love grass (Setaria spp) · Wandering Jew (Commelina benghalensis) · Star grass (Cynodon spp) · Witch weed/ Striga (Striga asiatica) · Couch grass (Digitaria spp) · Mexican marigold (Tagetes minuta) · Wild oats (Avena spp) · Cocklebur (Xanthium strumarium) · Bermuda grass (Cynodon dactylon) · Thorn apple (Datura stramonium) · Yellow nutsedge (Cyperus esculentus) · Pig weed (Amaranthus spp) · Purple nutsedge (Cyperus rotundus) · Oxalis (Oxalis spp) · Guinea fowl grass (Rottboellia cochinchinensis)
25-30 and 45-40 DAS
Weed Management
Tolkan 1 kg or 2,4-D 0.5 kg in 500 litres of water for land of 1 ha.
Taifazine 2-3kg per 1000 litres for 1 ha or Lasso @4 l per 100 l of water for 1 ha of land
Knee high stage and during tasseling and cob formation stage.
Earthing up and Hoeing
25-30 DAT and 45-50 DAT
Harvesting Index
After fully ripen, maize at bottom of cob have black spot indicating its readiness for harvesting, grains with 50-55% moisture. The cob surrounding leaf become dried and leaves of plant dried ripe
By machine or manual breaking of cob from plant when 30-35% moisture in grains.
Post Harvest Activities
The cob harvested is dried in the sun and grains separated from cob manially and again drying grains in the sun till the moisture% reaches near 12.
Grains are seperated from the cob and marketed in different forms. Marketing of Baby corn has recently been popular.
White grubs, Maize stem borer
Ripcord 100g/l EC and Tamaron SL or 600 Furadan 3G for Stem borer
Malathion E.C. 2 (Malamar)
Carbaryl 50 WP 2 (Hexavin)or biocontrol by Metarhizium anisopliae, Beauveria bassiana
Northern corn late blight, Smuts, Aschochyta leaf spot
Use of resistant varieties and Fungicide application at V5 and R1 stage of corn.

Rampur Hybrid-2,4,6( Terai and Inner Terai during winter)

Arun-3,4,6(Terai, Mid Hills in different seasons)

Khumal Hybrid-2(In Mid Hills during rainy season  and in Terai during winter)

Manakamana-3,5,6 (Mid Hills)

Poshilo Makai(East to West)

Shitala( <1600m asl)

Deuti(Mid Hills)

Gaurab Hybrid Maize(Terai, inner terai and valleys)

Ganesh-1(High hills)