Nutrient management in maize

01/06/2019Posted on
  • To take more yield of maize, the balanced fertilizers should be applied.
  • Apply well rotten FYM @ 8-10 tonnes/acre in the field before 12-15 Days before Sowing.
  • At the time of sowing, Apply (urea @ 65 kg/acre + DAP @ 35 kg/acre + MOP @ 35 kg/acre + carbofuran @ 5 kg/acre from the basal dose.
  • After 15-20 DAS, Apply MgSO4 @ 10 kg/acre + ZnSO4 @ 07 – 10 + Mycorrhiza @ 4 kg/acre.
  • If the bed system of sowing is followed, apply the micronutrient mixture over the furrows.

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How to Control Stem Borer in Sweet Corn

08/05/2019Posted on
  • This is the major and more harmful insect of Sweet corn
  • Central shoot withers and leading to “dead heart”.
  • Larvae mines the midrib enter the stem and feeds on the internal tissues.
  • Boreholes are visible on the stem near the nodes.
  • Young larva crawls and feeds on tender folded leaves causing typical “shot hole” symptom.
  • Affected parts of the stem may show internally tunneling caterpillars. In the later stage, the plant becomes die.

Control

  • Mix any one of the following granular insecticides with sand to make up a total quantity of 50 kg and apply in the leaf whorls on the 20th day after sowing.
     Phorate 10% G 4 kg/acre or Fipronil 0.3% G 5 kg/acre on 15-20 day after sowing.
  • If granular insecticides are not used, spray any one of the following:
    • Bifenthrin 10% EC @ 200 ml /acre on the 20th day of sowing.
    • Fipronil 5% SC @ 500 ml/ acre on the 20 day after sowing.
    • Cartap Hydrochloride 50% SP @ 400 gm/acre.

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