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Describe the production of onions under the following sub-headings: a)seedbed preparation b)field management c)harvesting.

Describe the production of onions under the following sub-headings:
a)seedbed preparation

b)field management

c)harvesting.

Answers

johnson
a)seedbed preparation
• Clear the land;
• Prepare the land early;
• Plough/dig deeply and eradicate all weeds;
• Harrow to a moderate tilth/fine tilth/appropriate tilth.

b)b)field management
-Thinning in directly planted crops to reduce competition;
-Weeding should be done carefully so as not to damage shallow roots.
-Remove excess soil from root region.
-Do not compact the soil around the bulb;
-Top dress with nitrogenous fertilizer/CAN at a rate of 250 Kg per ha three months after planting;
-Spray with appropriate pesticide/chemical to control pests especially thrips;
-Spray with fungicides or practice crop rotation to control fungal diseases;
-Watering during dry spell/season.

c)harvesting.
-Harvest after 5 months;
-Harvest when leaves start drying;
-Break or bend the tops at the neck to hasten withering;
-Dig up the bulb and leave them to dry under shade;
-Turn daily to ensure uniform drying;
-Store in slatted boxes;
-Leave bulb to dry under shade.

johnson mwenjera answered the question on March 7, 2018 at 09:32

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