Tip of the day – Page 200

Spacing for cabbage

The planting distance may vary according to variety, planting season and soil conditions.
The following distances are generally recommended on the basis of maturity of varieties.
Early variety 45 x 45 cm.
Mid variety 60 x 45 cm.
Late variety 60 x 60 or 75 x 60 cm.

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For chilli nursery, April-May is a suitable time for soil solarization. As the temperature rises up to 40 ºC at this time.
Spread transparent polythene of 200 gauges (50 Micron) on the whole nursery area for about 5-6 weeks.
The margin of the polythene should be covered by wet soil (compressed mud) to check the entry of air.
After 5-6 weeks remove the polythene sheet.

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Two seeds per hill are dibbled manually or mechanically one third from the top on the side of the ridge.
Excess seedlings should be thinned out 10 days after emergence to have single seedling per hill.

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Healthy seed should be selected for sowing.
The seed should be treated with Carboxin 37.5% + Thiram 37.5% WP @ 2g/kg of seed before sowing.
Continuous raising of nursery in the same plot should be avoided.

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It needs warm, sunny weather.
The temperatures for optimum germination should be above 18°C.
For optimum growth and quality, the temperature range is from 24°C to 30°C.
Sweet corn requires a well-drained soil with adequate water holding capacity for optimum growth.
Sweet corn grows best in a soil with a pH between 5.8 and 6.5.

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Cultivation of cauliflower is done mainly on sandy to heavy soil rich in organic matter.
Light soil is preferred for early crops.
On heavy soil, plants grow more slowly and the keeping quality is improved.
The optimum pH is 6-7 and liming is required when pH is below 5.5.
Plants growing in saline soils are prone to fungal and bacterial diseases.

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The cabbage seeds are sown in a seedbed and 4-6 week old seedlings are transplanting to the field.
Raised beds of size 3 x 0.6 m and 10-15 cm in height are prepared.
About 70 cm distance is kept between two beds to carry out intercultural operations such as weeding, etc.
The surface of beds should be smooth and well levelled.
Well-decomposed FYM @ 8-10 kg/square m is added at the time of bed preparation.
Raised beds are necessary to avoid the problem of water logging in heavy soils.
To avoid mortality of seedlings due to damping off, drenching of the beds with Thiophanate Methyl 70% WP @ (30g/15 litres of water) is effective.

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23/03/2019

Initially, the plants show temporary wilting symptoms which become permanent and progressive.
The leaves of the affected plants show yellowing, loose turgidity and show drooping symptoms.
Eventually, the plants die.
Cutting the base of the stem revel a dark woody portion.
Continuous cultivation of okra on the same piece of land should be avoided.
Crop rotation should be applied in case of fields are severely infected.
Spray of thiophanate methyl 70% WP @ 200-300 gm /acre.
And spray of hexaconazole 5% EC @ 250-400 ml/acre is also effective.

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