Agroclimate of Sri Lanka
Why do we need to study about Agroclimate?
Because It affects Agricultural production.
What is the difference between weather and climate?
Climate cannot be measured. But weather can be
measured.Climate is an average of weather.
Main Topics of This blog.
Weather and Agricultural News updates related
to Sri Lanka.General Climatic Conditions of Sri Lanka.
Agro Ecological Zones of Sri Lanka.
Climate and Environment for crop production.
Land use Classification.
New methods of seed bed preparation,seed sowing.
Crop establishment and maintenance.
Pest management of Agricultural crops.
Harvesting,Storage and processing.
Organic Farming.
Certification and Storage.
Tea Agronomy,Coconut Agronomy and Marketing.
General Climatic Conditions of Sri Lanka.
Sunshine
Average sunshine hours per day in Sri Lanka
December-11.40hrs-shortest day
June-12.30hrs-longest day
difference between shortest day and longest day
is 50min.
East & North - 2900 sunshine hours/year
West & Southern lowland - 2500
sunshine hours/year
Highland - 1600 sunshine hours/year
Average Solar Radiation in Sri Lanka
300-500 calories/cm2/day.
In february to march - over 400 calories/cm2/day
In December - 300 calories/cm2/day.
Rain fall
There are four rain seasons in Sri Lanka.
Yala
March – Mid May – Intermonsoon
Mid May – September – South west Monsoon
Maha
Oct. – Nov. – Intermonsoon
Dec. – Feb. – North East monsoon
Monsoon – 7.5months (62.5%)
Intermonsoon – 4.5months (37.5%)
South west Monsoon
200 to >2000 rain fall to
Mid Elevation of South western and western slopes.
North East monsoon
300-1500 rain fall to Nuckless range.
Intermonsoon
March – May High intensity thunderstorms.
Oct. – Nov. More balanced evenly distributed
400-750mm.
Plantation Crops
Export Agricultural Crops (Minor)
Timber Crops
Fruit Trees
Forest Trees
Medicinal Plants
Flower Plants
Foliage Plants
Fodder Plants
Field Crops (Food Crops)
