Agro climatic zones of the state

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जिला स्तर तमिलनाडु के मलए कृषि िौसि सलाहकार बुलेटिन
DISTRICT LEVEL
Agro meteorological Advisory Bulletin for the state of
Tamil Nadu Bulletin No. 005 /2015
For the period 0830 IST, 16th January 2015 to
0830 IST, 20th January 2015
Issued on Friday, 16th January 2015
Issued by
DDGM, Regional Meteorological Centre, India Meteorological Department,
Chennai in collaboration with TNAU and nine AMFU’s of Agro climatic Zones of
the Tamil Nadu state
Agro climatic zones of the state
Sl.
No
Agro climatic Districts
zone
Agro
met
field
Unit
(AMFU)
location
1
Northeastern Kanchipuram, Tiruvallur, Cuddalore
Tiruvannamalai, Chennai,Villupuram ,
zone
Vellore
Chennai
2
Northwestern Dharmapuri,
zone
Namakkal
3
Western
Zone
4
Cauvery Delta Thanjavur, Nagapattinam, Thiruvarur, Adudurai
Karur,Perambalur,Ariyalur
and
zone
Tiruchirapalli.
5
Southern
zone
Virudhunagar,
Toothugudi
6
South Zone
Pudukottai,Madurai,Dindigul,
Theni, Kannivadi
Ramanathapuram and Sivagangai
7
High rainfall Kanyakumari
zone
Pechiparai
8
Hilly zone
Nilgiris
Ooty
9
Coastal Zone
Karaikal and Pondicherry
Karaikal
Krishnagiri,
Salem
Erode,Tiuppur and Coimbatore,
Tirunelveli
and Namakkal
Coimbatore,
and Kovilpatti
PERCENTAGE DEPARTURE OF RAINFALL
Past Weather Summary for the period 13.01.15 to 15.01.15
State of Tamilnadu & Puducherry
for the
Temperature:
Maximum Temperature of range 28oC – 32oC prevailed over the state. Kodaikanal
and Uthagamandalam recorded Maximum temperature range 18oC – 24oC during
the period.
Minimum temperature of range 15oC - 23oC prevailed over the State. Kodaikanal
and Uthagamandalam recorded Minimum temperature of range 04oC - 13oC during
the same period.
Spatial distribution of Rainfall
Spatial distribution of
Date
Area
Widespread (Most places)
--
--
Fairly widespread (Many
--
--
Scattered (Few Places)
--
--
Isolated (Isolated Places)
--
--
Dry
13.01.15,14.01.15
Tamilnadu &
&15.01.15
Puducherry
Rainfall
places)
Chief Amounts of Rainfall (in cms):13.01.15,14.01.15 & 15.01.15 : Nil
Normalised Difference Vegetation Index
DISTRICT LEVEL ENSEMBLE WEATHER FORECAST
ISSUED ON: 16.01.2015 VALID FOR THE NEXT 5 DAYS
Frost Warning: Ground Frost would occur over some parts of hilly ranges of Nilgiris District
Districtwise Agromet Advisories
Virudhunagar
Crop/
Farming
system
Cotton
Stage / Activities
Advisories
Flowering and
In the dry weather expected during the coming days if symptoms of
boll formation
nutrient deficiency are noticed in cotton in boll formation stage spray 2%
stage
magnesium sulphate+ 1% urea in order to meet the nutrient requirement
during this critical growth stage. If symptoms of reddening are noticed in
the crop spray 5% magnesium sulphate+ 1% urea+ 0.1% zinc sulphate.
Chilli
Fruiting stage
In the prevailing weather incidence of fruit borer may occur in chilli. Set
up pheromone traps for Helicoverpa armigera or Spodoptera litura at 12
Nos./ ha. Spray Bacillus thuringiensis at 2 g/ l. Collect and destroy the
damaged fruits and grown up caterpillars. Provide poison bait with
carbaryl 1.25 kg, rice bran 12.5 kg, jaggery 1.25 kg and water 7.5 l/ ha.
When damage crosses economic threshold level spray chlorpyriphos 20
EC
Brinjal
Fruiting stage
3 ml/ l or quinolphos 25 EC 2.5 ml/ l.
The prevailing weather is conducive for the incidence of shoot and fruit
borer. Due to the infestation by the pest wilting occurs. Remove and
destroy the affected terminal shoots showing boreholes. Remove the
affected fruits and destroy. Spray carbaryl 50 WP 2 g/ l + wettable
sulphur 50% WP 2 g/ l.
SMS: No rain. Cotton- spray 2% magnesium sulphate+ 1% urea on need basis. Reddening in cottonspray 5% magnesium sulphate+ 1% urea+ 0.1% zinc sulphate.
Thoothukudi & Tirunelveli
Crop/ Farming
system
Rice
Stage /
Activities
Advisories
Maturity
As dry weather is expected in the coming days irrigate the crop to 5 cm
stage
depth one day after disappearance of ponded water. Last irrigation is to be
scheduled fifteen days ahead of harvest.
Cotton
Flowering
In the dry weather expected during the coming days if symptoms of
and boll
nutrient deficiency are noticed in cotton in boll formation stage spray 2%
formation
magnesium sulphate+ 1% urea in order to meet the nutrient requirement
satge
during this critical growth stage. If symptoms of reddening are noticed in
the crop spray 5% magnesium sulphate+ 1% urea+ 0.1% zinc sulphate.
Sugarcane
Tillering
For the crop at tillering stage apply one third of the recommended quantity
stage
of nitrogen and potassium as per soil test recommendation. If soil test is
not done apply 92 kg nitrogen (202 kg urea) and
37.5 kg potassium (60
kg MOP) per hectare and do earthing up.
Chilli
Fruiting
In the prevailing weather incidence of fruit borer may occur in chilli. Set up
stage
pheromone traps for Helicoverpa armigera or Spodoptera litura at 12
Nos./ ha. Spray Bacillus thuringiensis at
2 g/ l. Collect and destroy the
damaged fruits and grown up caterpillars. Provide poison bait with
carbaryl 1.25 kg, rice bran 12.5 kg, jaggery 1.25 kg and water 7.5 l/ ha.
When damage crosses economic threshold level spray chlorpyriphos 20 EC
3 ml/ l or quinolphos 25 EC 2.5 ml/ l.
Brinjal
Fruiting
The prevailing weather is conducive for the incidence of shoot and fruit
stage
borer. Due to the infestation by the pest wilting occurs. Remove and
destroy the affected terminal shoots showing boreholes. Remove the
affected fruits and destroy. Spray carbaryl 50 WP 2 g/ l + wettable sulphur
50% WP 2 g/ l.
SMS: No rain. Cotton- spray 2% magnesium sulphate+ 1% urea on need basis. Reddening in cottonspray 5% magnesium sulphate+ 1% urea+ 0.1% zinc sulphate.
Advisories for the rest of the Districts in Tamilnadu & Puducherry have not been received on account
of closed holiday for State Govt. Offices in the state.
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