Sunday, November 24, 2024
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മലയാളം
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Agriculture >
Plantation Crops > Cashew (Anacardium occidentale)
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Climate & Soil
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Cashew is adapted to warm humid tropical conditions. Cashew is a sun loving tree
and does not tolerate excessive shade. It can tolerate temperature of more than
360C for a shorter period but the most favourable temperature is 24 - 28oC.
The climatic factors influence growth and production:
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Dry spell during flowering and fruit setting ensures better harvest.
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Cloudy weather during flowering enhances scorching of flowers due to tea mosquito
infestation.
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Heavy rains during flowering and fruit set damages production.
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High temperature (39 - 42oC) during fruit set causes fruit drop.
It can be grown in almost all types of soils from sandy to laterite and up to an
elevation of 600-700 m including wastelands of low fertility. It grows and yields
best in well-drained red sandy loams and light coastal sands. Heavy clay soils,
poor drainage conditions, very low temperature and frost are unsuitable for the
crop. Cashew is grown in areas with rainfall ranging from 600 – 4500 mm per annum.
Fruit setting in cashew will be good if rains are not abundant during flowering
and nuts mature in a dry period.
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