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Kharif Onion Production Technology
Kharif season is characterized by heavy rain fall which leads to poor drainage and diseases like anthracnose, purple blotch and Stemphylium blight. The technology includes combination of following practices to reduce the drainage and disease problem and raise healthy crop.
Raising nursery during second fortnight of June on broad bed furrow with drip or sprinkler irrigation under shade nets and keeping the seedlings ready for transplanting in the first fortnight of August.
Transplanting of seedlings on broad bed furrow with drip or sprinkler irrigation. The raised bed in broad bed furrow facilitates quick and efficient drainage of rainwater, which minimizes the incidence of soil borne and foliar diseases.
Application of 75:40:40:20 kg NPKS/ha + organic manure equivalent to 75kg N/ha is recommended for kharif.
Application of Azospirillum and phosphorus solublizing bacteria at 5kg each per ha is recommended.
Full of PKS and 1/3 of N need to be applied at the time of transplanting and remaining 2/3 of N in two equal splits at 30 and 45 DAT.
Application of FYM or Vermicompost pre-mixed with Trichoderma viride before bed preparation, It helps in reducing the incidence of soil borne diseases.
Fertigation through drip avoids leaching losses of nutrients, which is common in high rainfall conditions: 2/3 of top dressing N needs to be applied in seven splits at weekly interval from transplanting to 60 DAT.
Application of pre-emergence herbicide pendimethalin @0.2%.
This technology ensures 25 tons of yield per hectare without compromise in quality of bulbs.
|Last Updated on Tuesday, 23 June 2015 07:21|
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