Agro climatic zones of the state - Agricultural Meteorology Division

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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. 002 /2015
For the period 0830 IST, 06th January 2015 to
0830 IST, 09th January 2015
Issued on Tuesday, 06th 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
Krishnagiri,
Salem
Erode,Tiuppur and Coimbatore,
and Namakkal
Coimbatore,
Tiruchirapalli.
5
Southern
zone
Virudhunagar,
Toothugudi
Tirunelveli
and Kovilpatti
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
Past Weather Summary for the period 02.01.15 to 05.01.15
State of Tamilnadu & Puducherry
for the
Temperature:
Maximum Temperature of range 27oC – 35oC prevailed over the state. Kodaikanal
and Uthagamandalam recorded Maximum temperature range 17oC – 21oC during
the period.
Minimum temperature of range 19oC - 26oC prevailed over the State. Kodaikanal
and Uthagamandalam recorded Minimum temperature of range 04oC - 10oC during
the same period.
Spatial distribution of Rainfall
Spatial distribution of
Date
Area
Widespread (Most places)
--
--
Fairly widespread (Many
--
--
Scattered (Few Places)
02.01.15
Puducherry
Isolated (Isolated Places)
02.01.15 & 03.01.15
Tamilnadu
Dry
04.01.15 & 05.01.15
Tamilnadu
03.01.15, 04.01.15 &
Puducherry
Rainfall
places)
05.01.15
Chief Amounts of Rainfall (in cms):02.01.15: Karur paramathi (Karur Dist), Paramathivelur (Namakkal Dist) 7 each,
Kollimalai ARG (Namakkal Dist) 5, Sirkali (Nagapattinam Dist) 4, Sendamangalam
(Namakkal Dist), Mayanur (Karur Dist), Thathiengrpet (Trichy Dist) 3 each,
Namakkal (Namakkal Dist), Devakottai (Sivaganga Dist), Puducherry (Puducherry
Dist), Tirupuvanam (Sivaganga Dist), Mangalapuram (Namakkal Dist), Anna
University (Chennai Dist), Anna university ARG (Chennai Dist) 2 each,
Anaikaranchatram(Kollidam (Nagapattinam Dist), Keeranur (Pudukkottai Dist),
Karumandurai ARG (Salem Dist), Dharapuram (Tiruppur Dist), Attur (Salem Dist),
Chettikulam (Perambalur Dist), Yercaud (Salem Dist), Vilupuram (Villupuram Dist),
Grand Anaicut (Thanjavur Dist), Karur (Karur Dist), Vanur (Villupuram Dist),
Panruti (Cuddalore Dist) 1 each.
03.01.15: Nil
04.01.15: Nil
05.01.15: Nil
Dist Ensembele Forecast issued on 06.01.2015 valid for next 5 days
Districtwise Agromet Advisories
Nilgiris
Due to low temperature, spray Dasakavya 3% once in 10 days to control blister blight in Tea
crop
As there is forecast for no rainfall, irrigation has to be given as per the requirement of the crop
Due to dry weather, farmers are advised to spray systemic and contact fungicides once in 7 days
interval to control late blight in potato
Due to low night temperatures in the past 4 days, necessary measures like mulching may be
adopted to prevent frost damage in crops
To control pest and diseases, farmers are advised to give protective sprays for when there is no
rain.
Due to high day temperature, spray Zineb + hexaconazole combination @ 2g /l to control
Alternaria blight in carrot.
Puducherry
 To manage the leaf folder / stem borer / gall midge in rice ; spray Chlorpyriphos 20 EC @ 500 ml
/ acre or Phosalone @ 600 ml /acre or profenophos 400 ml /acre
 To manage the gall midge / BPH in rice ; spray Chlorpyriphos 20 EC @ 500 ml / acre or
Phosalone @ 600 ml /acre
 To manage BLB in rice; as a prophylactic measure spray 20 % cow dung extract ( 40kg fresh cow
dung in 100 litres of water; soaked overnight and the filtered extract to be made up to 200 litres
per acre) or 0.2 % Pseudomonas fluorescence extract ( 2 ml or gm per litre) or 3 % neem oil +
surfactant. Repeat the spray once again after fifteen days.
 In case of incidence of BLB, spray copper hydroxide 2 g per litre in fifteen days interval for two
times.
Karaikal
 To manage false smut; spray Propiconazole 25 EC @ 200 ml/ac or Copper hydroxide @ 500 g /
acre at booting stage & at fifty percent flowering stage during evening hours.
 To manage the leaf folder / stem borer / gall midge in rice ; spray Chlorpyriphos 20 EC @ 500 ml
/ acre or Phosalone @ 600 ml /acre or profenophos 400 ml /acre
 To manage the gall midge / BPH in rice ; spray Chlorpyriphos 20 EC @ 500 ml / acre or
Phosalone @ 600 ml /acre
 To manage BLB in rice; as a prophylactic measure spray 20 % cow dung extract ( 40kg fresh cow
dung in 100 litres of water; soaked overnight and the filtered extract to be made up to 200 litres
per acre) or 0.2 % Pseudomonas fluorescence extract ( 2 ml or gm per litre) or 3 % neem oil +
surfactant. Repeat the spray once again after fifteen days.
 In case of incidence of BLB, spray copper hydroxide 2 g per litre in fifteen days interval for two
times.
Coimbatore
Blocks
Sugar cane
Banana
Turmeric
Vegetables
Rice
Cotton
Thondamuthur
9 months
7 months
RD
V
NC
B
Karamadai
11 months
9 months
RD
V
NC
B
Sulur
7 months
9 months
RD
V
NC
B
Sultanpet
9 months
7 months
RD
V
NC
B
Pollachi
9 months
10 months
RD
V
F
B
P.N Palayam
5 months
10 months
RD
V
NC
B
Kinathukadavu
NC
NC
RD
V
NC
B
Annur
NC
8 months
RD
V
NC
B
Madukarai
NC
6 months
RD
V
NC
B
Annaimalai
6 months
3 months
RD
V
F
B
NC-No Crop,RD – Rhizome Development; V- Vegetative;F-Flowering; B –Boll bursting
Agro Advisory
 By utilizing cool and dry weather cotton stocks must be pulled out and burned otherwise
ploughed in situ by using rotavator to avoid the multiplication of stem weevil.
 By utilizing cool and dry weather, annual pruning to pomegranate may be done. Past
season shoot, diseased, dried branches are pruned. After pruning manure it and irrigate
it.
 Since no rainfall is expected top dressing to rice may be done by using 35 kg urea and
17 kg potash.
 Prevailing cool weather condition may be favorable for leaf spot disease in turmeric
therefore the farmers are requested to monitor the crop and if necessary spray
mancozeb 1 kg/ha or carbendazim 0.5 kg/ ha.
SMS advisory
 By utilizing cool and dry weather prune the diseased and dried branches to
pomegranate. After pruning manure it and irrigate it.
Erode
Taluks
Sugarcane
Banana
Turmeric
Rice
Tapioca
Cotton
Ammapet
10 months
One month
RD
M
H&V
B
Bhavani
7 months
One month
RD
M
H&V
B
Erode
6 months
One month
RD
M
H&V
B
Perundurai
6 months
One month
RD
M
H&V
B
Sathyamangalam
9 months
One month
RD
M
H&V
B
Nambiyur
6 months
One month
RD
M
H&V
B
Gobichettipalayam
5 months
One month
RD
M
H&V
B
RD – Rhizome Development, M- Milky stage H&V- Harvest and Vegetative; B- Boll bursting
Agro Advisory
 By utilizing cool and dry weather cotton stocks must be pulled out and burned otherwise
ploughed in situ by using rotavater to avoid the multiplication of stem weevil.
 By utilizing cool and dry weather, annual pruning to pomegranate may be done. Past
season shoot, diseased, dried branches are pruned. After pruning manure it and irrigate
it.
 Since no rainfall is expected top dressing to rice may be done by using 35 kg urea and
17 kg potash.
 Since no rainfall is expected in groundnut may be earthing up may be done and Gypsum
application 400 kg/ ha.
 Prevailing cool weather condition may be favorable for leaf spot disease in turmeric
therefore the farmers are requested to monitor the crop and if necessary spray
mancozeb 1 kg/ha or carbendazim 0.5 kg/ ha.
SMS advisory
 By utilizing cool and dry weather prune the diseased and dried branches to
pomegranate. After pruning manure it and irrigate it.
Tiruppur
Blocks
Tapioca
Sugarcane
Banana
Vegetables
Maize
Rice
Cotton
Avinashi
H&V
10 months
6
months
V
T
NC
NC
Kankayam
H&V
NC
NC
V
T
NC
NC
Madathukulam
H&V
NC
NC
V
T
F
B
Gudimangalam
H&V
6 months
8
months
V
T
F
B
Palladam
H&V
NC
NC
V
T
NC
NC
Dharapuram
H&V
5 months
4
months
V
T
F
Udumalpet
H&V
7 months
NC
T
F
H&V- Harvest and vegetative; NC-No Crop; V- Vegetative; T- Tasseling; F- Flowering;
Boll bursting
B
B-
Agro Advisory
 By utilizing cool and dry weather cotton stocks must be pulled out and burned otherwise
ploughed in situ by using rotavater to avoid the multiplication of stem weevil.
 By utilizing cool and dry weather, annual pruning to pomegranate may be done. Past
season shoot, diseased, dried branches are pruned. After pruning manure it and irrigate
it.
 Since no rainfall is expected top dressing to rice may be done by using 35 kg urea and
17 kg potash.
 Since no rainfall is expected in groundnut may be earthing up may be done and Gypsum
application 400 kg/ ha.
 Prevailing cool weather condition may be favorable for leaf spot disease in turmeric
therefore the farmers are requested to monitor the crop and if necessary spray
mancozeb 1 kg/ha or carbendazim 0.5 kg/ ha.
SMS advisory
 By utilizing cool and dry weather prune the diseased and dried branches to
pomegranate. After pruning manure it and irrigate it.
Chennai
Livestock :
1. Young calves, lambs and kids should be protected from chillness by way of providing curtain in
sides of animal shed during night time.
2. Cattle, sheep and goats are allowed to graze after dew dried off to avoid fluke infestation.
3. Calves above 3 months and sheep and goat above 2 months should be vaccinated against Foot
and Mouth disease
4. Sheep and Goats should be dewormed by using broad spectrum antihelmintics.
Kanchipuram
Livestock :
1. Young calves, lambs and kids should be protected from chillness by way of providing curtain in
sides of animal shed during night time.
2. Cattle, sheep and goats are allowed to graze after dew dried off to avoid fluke infestation.
3. Sheep and Goats should be dewormed by using broad spectrum antihelmintics.
4. In case of poultry, farmers are advised to provide clean drinking water to avoid E.coli infection.
5. Poultry farmers are advised to protect their feed ingredients from rain and dampness to avoid aflatoxin
poisoning.
Thiruvallur
Livestock :
1. Young calves, lambs and kids should be protected from chillness by way of providing curtain
in sides of animal shed during night time.
2. Cattle, sheep and goats are allowed to graze after dew dried off to avoid fluke infestation.
3. Sheep and Goats should be dewormed by using broad spectrum antihelmintics.
4. In case of poultry, farmers are advised to provide clean drinking water to avoid E.coli infection.
5. Poultry farmers are advised to protect their feed ingredients from rain and dampness to avoid aflatoxin
poisoning.
Vellore
Livestock :
1. Young calves, lambs and kids should be protected from chillness by way of providing
curtain in sides of animal shed during night time.
2. Cattle, sheep and goats are allowed to graze after dew dried off to avoid fluke infestation.
3. Sheep and Goats should be dewormed by using broad spectrum antihelmintics.
4. In case of poultry, farmers are advised to provide clean drinking water to avoid E.coli infection.
5. Poultry farmers are advised to protect their feed ingredients from rain and dampness to avoid
aflatoxin poisoning.
Thiruvannamalai
Livestock :
Young calves, lambs and kids should be protected from chillness by way of providing curtain
in sides of animal shed during night time.
2. Cattle, sheep and goats are allowed to graze after dew dried off to avoid fluke infestation.
3. Avoid stagnation of rain water nearby animal shed to avoid multiplication of vectors
4. Sheep and Goats should be dewormed by using broad spectrum antihelmintics.
1.
Cuddalore
Livestock :
1. Young calves, lambs and kids should be protected from chillness by way of providing curtain in
sides of animal shed during night time.
2. Cattle, sheep and goats are allowed to graze after dew dried off to avoid fluke infestation.
3. Sheep and Goats should be dewormed by using broad spectrum antihelmintics.
4. In case of poultry, farmers are advised to provide clean drinking water to avoid E.coli infection
5. Poultry farmers are advised to protect their feed ingredients from rain and dampness to avoid aflatoxin
poisoning.
Villupuram
Livestock :
1. Young calves, lambs and kids should be protected from chillness by way of providing curtain in
sides of animal shed during night time.
2. Cattle, sheep and goats are allowed to graze after dew dried off to avoid fluke infestation.
3. Sheep and Goats should be dewormed by using broad spectrum antihelmintics.
6. In case of poultry, farmers are advised to provide clean drinking water to avoid E.coli infection
Chennai, Tiruvallur, Kanchipuram, Cuddalore, Villupuram, Vellore & Thiruvannamalai
Agriculture :
1. Paddy and groundnut crops are under flowering stage.
2. Spraying of edifenphos @ 750 ml/ha at 30, 45 and 60 DAT was effective for the management of
blast, sheath rot and brown spot.
3. Spraying of carbendazim 50 WP 250 g/ha plus mancozeb 1000 g/ha was effective in reducing rust
and tikka leaf spot of groundnut
Virudhunagar
Crop/ Farming
system
Sorghum
Stage /
Activities
Advisories
Maturity stage
As dry weather is expected in the coming days harvest the
sorghum crop when the grains turn yellow. Plough the field
immediately after harvest in order to destroy the pupae of stem
borer.
Maize
Maturity stage
As dry weather is expected in the coming days harvest the cobs, dry
under sun and thresh the dry cobs by using mechanical thresher. Clean
the seeds by winnowing and store the dry grains in gunny bags.
Cotton
Flowering
The prevailing weather condition is conducive for the incidence of boll
stage
worm in cotton varieties. The American boll worm feeds on the bolls by
forming circular bore holes and inserting its head alone into the bolls.
For monitoring the adults set up light and pheromone traps. Release
Trichogramma egg parasitoid at 6.25 cc/ ha to control the pest. When
damage exceeds economic threshold level, spray phosalone 35 EC 2.5 l/
ha or quinalphos 25 EC 2 l/ ha. Use 1000 litre of spray fluid/ha.
Chilli
Flowering
Since flower formation is more at this stage, for meeting the crop
stage
demand apply nitrogen 25 kg/ ha (urea 55 kg/ ha) and do earthing up.
Unfavourable soil and environmental factors, hormonal deficiency and
pest and disease incidence are responsible for flower dropping in chilli.
For improving flower retention and pod formation spray NAA 10 ppm
(10 mg/ l) and triacontanol 1.25 mg/ l on 90 days after planting.
In the prevailing weather condition incidence of mite is noticed in chilli.
Spray dicofol 2.5 ml/ l or wettable sulphur 6 g/ l for controlling this pest.
SMS: Rain- January 8& 9th (mm): 3, 1 mm, respectively. Harvest sorghum& plough the field
immediately after harvest to destroy stem borer pupae.
Thoothukudi
Crop/ Farming
system
Rice
Sorghum
Stage /
Activities
Advisories
Ripening
For the rice crop at ripening stage irrigate at 5 cm depth one day after
stage
disappearance of ponded water.
Maturity
stage
As dry weather is expected in the coming days harvest the sorghum
crop when the grains turn yellow. Plough the field immediately after
harvest in order to destroy the pupae of stem borer.
Maize
Maturity
stage
As dry weather is expected in the coming days harvest the cobs, dry under
sun and thresh the dry cobs by using mechanical thresher. Clean the seeds
by winnowing and store the dry grains in gunny bags.
Cotton
Flowering
The prevailing weather condition is conducive for the incidence of boll
stage
worm in cotton varieties. The American boll worm feeds on the bolls by
forming circular bore holes and inserting its head alone into the bolls. For
monitoring the adults set up light and pheromone traps. Release
Trichogramma egg parasitoid at 6.25 cc/ ha to control the pest. When
damage exceeds economic threshold level, spray phosalone 35 EC 2.5 l/ ha
or quinalphos 25 EC 2 l/ ha. Use 1000 litre of spray fluid/ha.
Chilli
Flowering
Since flower formation is more at this stage, for meeting the crop demand
stage
apply nitrogen 25 kg/ ha (urea 55 kg/ ha) and do earthing up.
Unfavourable soil and environmental factors, hormonal deficiency and pest
and disease incidence are responsible for flower dropping in chilli. For
improving flower retention and pod formation spray NAA 10 ppm (10 mg/
l) and triacontanol 1.25 mg/ l on 90 days after planting.
In the prevailing weather condition incidence of mite is noticed in chilli.
Spray dicofol 2.5 ml/ l or wettable sulphur 6 g/ l for controlling this pest.
SMS: Rain- 6& 7th January 2015 (mm): 5& 4 mm, respectively. Harvest sorghum& plough the field
immediately after harvest to destroy stem borer pupae.
Tirunelveli
Crop/ Farming
system
Rice
Stage /
Activities
Advisories
Ripening stage
For the rice crop at ripening stage irrigate at 5 cm depth one day after
disappearance of ponded water.
Cotton, Chilli
Flowering
As light rainfall is expected in the coming days provide adequate
stage
drainage in the field.
Pearl millet,
Grain filling
Sunflower
stage
Cotton
Flowering
The prevailing weather condition is conducive for the incidence of boll
stage
worm in cotton varieties. The American boll worm feeds on the bolls by
forming circular bore holes and inserting its head alone into the bolls.
For monitoring the adults set up light and pheromone traps. Release
Trichogramma egg parasitoid at 6.25 cc/ ha to control the pest. When
damage exceeds economic threshold level, spray phosalone 35 EC 2.5 l/
ha or quinalphos 25 EC 2 l/ ha. Use 1000 litre of spray fluid/ha.
Chilli
Flowering
Since flower formation is more at this stage, for meeting the crop
stage
demand apply nitrogen 25 kg/ ha (urea 55 kg/ ha) and do earthing up.
Unfavourable soil and environmental factors, hormonal deficiency and
pest and disease incidence are responsible for flower dropping in chilli.
For improving flower retention and pod formation spray NAA 10 ppm
(10 mg/ l) and triacontanol 1.25 mg/ l on 90 days after planting.
In the prevailing weather condition incidence of mite is noticed in chilli.
Spray dicofol 2.5 ml/ l or wettable sulphur 6 g/ l for controlling this pest.
SMS: Chilli- improve flower retention- spray NAA 10 mg/ l & triacontanol 1.25 mg/ l.
Salem, Namakkal, Dharmapuri & Krishnagiri
1. With the chance of formation of mild mist in the upcoming days feed intake in birds will be
normal to slightly above normal. To protect the birds form mist during early morning, raise the
curtains to about 3 feet height on the sides of the poultry houses. Further, test maize and
sunflower meal for occurrence of mycotoxin before use.
A) Special Agroadvisory from Krishi Vigyan Kendra:
2. As this season is favorable for the cultivation of green gram and black gram, farmers can choose
highbred, short term and disease resistant verities. Yellow mosaic disease resistant black gram
verities such as Co-6, Vamban -5, 6,7 and green gram verities such as Co- 7, 8, Vamban- 2, 3 can
be cultivated.
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