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AGRO202 203 Practical Crop Production I amp II 0 2
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Crop Production Guide,RICE Oryza sativa L,I SEASON AND VARIETIES. District Season Month Varieties,1 Kanchipuram Tiruvallur. Sornavari April May ADT 36 IR 36 IR 50 ADT 37 ASD 16 ASD 17 IR 64 ASD. 18 ADT 42 MDU 5 ASD 20 ADT43 CO 47 TRY R 2,ADT R 45 ADTRH 1 ADT R 47. Samba Aug IR 20 White Ponni CO 43 ADT 40 PY 4 ADT 39 TRY 1. ASD 19 ADT R 44 CORH 2, Late Samba Sep Oct IR 20 White Ponni ADT 39 CO 43 TRY 1 ADT R 46. Navarai Dec Jan ADT 36 ADT 37 ASD 16 IR 64 ASD 18 ADT 42 ADT 43. MDU 5 ASD 20,Dry July Aug PMK 2 MDU 5 TKM 11 PMK R 3 TKM R 12.
Semi dry July Aug IR 20 TKM 10 PMK 2 MDU 5 TKM 11 TKM R 12. 2 Vellore Tiruvannamalai, Sornavari April May IR 64 ADT 36 IR 50 ADT 37 ASD 16 ASD 17 ASD 18. ADT 42 MDU 5 ASD 20 ADT 43 CO 47 ADT R 45,ADT RH1 ADT R 47. Samba Aug Ponmani ADT 40 Bhavani IR 20 White Ponni CO 43. Paiyur 1 PY 4 CO 45 TRY 1 ASD 19 CORH 2, Navarai Dec Jan ADT 36 IR 20 ADT 39 CO 43 IR 64 ASD 16 ASD 18. ADT 42 MDU 5 CO 47 ASD 20 TRY R 2,3 Cuddalore Villupuram. Sornavari April May ADT 36 IR 50 ASD 16 IR 64 ASD 18 ADT 42 MDU 5. ASD 20 ADT 43 CO 47 ADT R 45 TRY R 2 ADTRH 1, Samba Aug IR 20 White Ponni CO 43 Ponmani PY 4 ADT 38 TRY 1.
ASD 19 ADT R 44 CORH 2, Navarai Dec Jan ADT 36 IR 20 IR 36 IR 64 ADT 39 ASD 16 ASD 18 ADT. 42 MDU 5 ASD 20 TRY R 2,4 Tiruchirappalli Karur Perambalur. Kuruvai Jun Jul ADT 36 IR 50 IR 64 ASD 16 ADT 37 ASD 18 ADT 42. MDU 5 ADT 43 CO 47 ADT R 45 except Karur,TRY R 2 ADTRH 1 ADT R 47. Samba Aug IR 20 White Ponni CO 43 ADT 40 Ponmani TRY 1. ASD 19 ADT R 44, Late Samba Thaladi Sep Oct IR20 WhitePonni ADT39 CO43 TRY1 ASD19 ADT R 46. Navarai Dec Jan ADT 36 IR 64 ASD 16 ASD 18 ADT 42 MDU 5 ASD 20. 5 Thanjavur Nagapattinam Tiruvarur, Kuruvai Jun Jul ADT 36 IR 50 IR 64 ADT 37 ASD 16 ASD 18 ADT 42.
MDU 5 ADT 43 ADT R 45 TRY R 2 ADTRH 1 ADT,R 47 ADT R 48. Samba Aug IR 20 White Ponni CO 43 Ponmani ADT 38 TRY 1. ASD 19 ADT R 44 CORH 2, Late Samba Thaladi Sep Oct ADT 38 IR 20 CO 43 Ponmani ADT 39 TRY 1 ASD 19. Navarai Kullankar Dec Jan ADT 36 ADT 37 IR 64 ASD 16 ASD 18 ADT 42 MDU 5. ASD 20 TRY R 2,6 Pudukottai, Kuruvai Jun Jul ADT 36 IR 50 IR 64 ASD 16 ADT 42 MDU 5 ASD 20. ADT 43 ADT R 45 TRY R 2 ADTRH 1 ADT R 47, Samba Aug IR 20 White Ponni CO 43 Ponmani TRY 1 ASD 19. ADT R 44 CORH 2, Late Samba Thaladi Sep Oct IR 20 ADT 38 ADT 39 TRY 1 ASD 19 CO 43 ADT R 46.
Dry Jul Aug ADT 36 PMK 2 TKM 10 TKM R 12 PMK R 3, Semi dry Jul Aug ADT 36 PMK 2 TKM 10 TKM R 12 PMK R 3. 7 Madurai Dindigul Theni, Kar May Jun ADT 36 IR 50 IR 36 IR 64 ADT 37 ASD 16 ASD 18 ADT. 42 MDU 5 ASD 20 ADT 43 CO 47 ADT R 45 Dindigul,only TRY R 2 ADTRH 1 ADT R 47. Samba Aug IR 20 White Ponni CO 42 CO 43 ADT 38 ADT 40. MDU 4 TRY 1 ASD 19 ADT R 44 CORH 2, Late Samba Thaladi Sep Oct IR 20 White Ponni MDU 3 ADT 39 MDU 4 CO 43. ASD 19 TRY 1 ADT R 46, Navarai Dec Jan IR 64 ADT 36 ADT 37 ASD 16 ASD 18 ADT 42 MDU 5.
ASD 20 TRY R 2, Semi dry Jul Aug PMK 2 TKM 10 MDU 5 TKM R 12 PMK R 3. 8 Ramanathapuram, Samba Aug IR 20 White Ponni CO 43 MDU 3 ASD 19 TRY 1. ADT R 44 CORH 2, Rainfed Semidry Jul Aug ASD 17 ADT 36 PMK 2 MDU 5 TKM R 12 PMK R 3. 9 Virudhunagar, Samba Sep Oct CO 43 TRY 1 IR 20 ADT R 46 ADT 39 CORH 2. Dry Jul Aug ADT 36 PMK 2 MDU 5 TKM R 12 PMK R 3,10 Sivaganga.
Semi dry Jul Aug ADT 36 IR 36 ADT 39 PMK 2 MDU 5 TKM R 12. 11 Tirunelveli Thoothukudi, Early Kar Apr May IR 50 ADT 36 IR 64 ADT 42 ADT 43 ADT 45 CO 47. Kar May Jun ASD 16 ASD 17 ASD 18 ADT 42 ADT 43 CO 47. ADT R 45 TRY R 2 ADTRH 1 ADT R 47, Late Samba Thaladi Sep Oct White Ponni IR 20 ADT 39 ASD 19 TRY 1 ADT R 46. Pishanam Late Pishanam Sep Oct ASD 18 ASD 16 ASD 19 CO 43 TRY 1 ADT R 46. Semi Dry July Aug MDU 5 ADT 36 TKM R 12 PMK R 3,12 Kanyakumari. Kar May Jun ADT 36 IR 50 IR 64 ASD 16 ASD 17 ASD 18 ADT 42. MDU 5 ASD 20 ADT 43 ADT 45 CO 47 ADTRH 1 ADT, Pishanam Late Samba Sep Oct White Ponni IR 20 Ponmani CO 43 TRY 1 TPS 2 TPS 3. Thaladi ADT R 44 ADT 39 ASD 18 ASD 19 MDU 5 ADT R 46. Semi dry Jul Aug ADT 36 ASD 17 PMK 2 TKM R 12 PMK R 3. 13 Salem Namakkal, Kar May Jun IR 50 ADT 36 IR 64 ADT 37 ASD 16 ASD18 ADT 42.
MDU 5 ASD 20 ADT 43 CO 47 ADT R 45 TRY R 2,ADTRH 1 ADT R 47. Samba Aug IR 20 White Ponni Bhavani CO 43 MDU 4 TRY 1. ASD 19 ADT R 44, Navarai Dec Jan IR 20 ADT 36 IR 64 ASD 18 ASD 19 ADT 42 MDU 5. ASD 20 TRY R 2,14 Dharmapuri Krishnagiri, Kar May Jun IR 50 IR 64 ASD 16 Bhavani IR 20 White Ponni CO 43. ASD 18 MDU 4 ASD 19 PAIYUR 1 ADT 42 TRY 1,MDU 5 ASD 20 ADT 43 CO 47 ADTRH 1 TRY R 2 ADT. Navarai Dec Jan IR 64 ADT 37 ASD 16 ADT 36 ASD 18 ADT 42 MDU 5. ASD 20 TRY R 2, Samba Late Samba Aug Oct TRY 1 Bhavani IR 20 White Ponni CO 43 MDU 4 ASD.
19 ADT R 44 ADT R 46,15 Coimbatore, Kar May Jun IR 50 ADT 36 ASD 16 IR 64 ASD 18 ADT 42 MDU 5. ASD 20 ADT 43 CO 47 ADT R 45 TRY R 2 ADTRH 1, Samba Aug IR 20 CO 43 White Ponni ADT 39 MDU 4 TRY 1 ASD. 19 Bhavani ADT R 44 CORH 2, Late Samba Thaladi Sep Oct IR 20 ADT 39 ADT R 46 CORH 2. Navarai Dec Jan IR 20 ADT 36 IR 64 ASD 16 ASD 18 TRY1 MDU 5 ASD. 20 TRY R 2, Kar May Jun IR 50 ASD 16 IR 64 ADT 36 ASD 18 ADT 42 MDU 5. ASD 20 ADT 43 CO 47 ADT R 45 TRY R 2 ADTRH,1 ADT R 47.
Samba Aug IR 20 Bhavani CO 43 White Ponni ADT 39 TRY 1 CO 46. Late Samba Sep Oct IR 20 White Ponni ADT 39 CO 43 TRY 1 CO 46 ADT R. Navarai Dec Jan IR 20 ADT 36 IR 64 ASD 16 ASD 18 ADT 42 MDU 5. 17 The Nilgiris,Samba Jul Aug IR 20 CO 43 TRY 1 ADT R 44. suitable for salt affected soils, Note of Caution of the varieties IR 50 and ADT43 are recommended for Kar Sornavari and Kuruvai. seasons and should not be grown during cold weather period ASD19 and White Ponni are also. susceptible to blast and care should be taken on plant protection measures. II PARTICULARS OF RICE VARIETIES,PARTICULARS PY 4 JAWAHAR IR 20 BHAVANI. Parentage IR 8 X H 4 IR 262 X TKM 6 Peta x BPI 76,Duration Days 145 150 130 135 130 135. Average Yield kg ha 5330 5000 5000,1000 grain wt g 24 8 19 21 5.
Grain L B ratio 3 1 3 4 72,Grain type Long bold Medium slender Long Slender. Morphological Characters,Habit Semi dwarf erect Semi dwarf Medium tall. Leaf sheath Green Green Green,Septum Green Cream Cream. Ligule Colourless White Colourless,Auricle Colourless White Colourless. Panicle Long drooping Medium compact Long compact,Husk colour Straw Straw Straw.
Rice colour White White White,Abdominal white Absent Absent Absent. Grain size mm,Length 9 3 8 2 9 6,Breadth 3 2 7 2 03. Thickness 1 8 2 1 5,II PARTICULARS OF RICE VARIETIES CONTD. PARTICULARS ADT 36 IR 50 IR 64, Parentage Triveni x IR 20 IR 2153 14 X IR 5657 33 2 1. IR 28 X IR 36 IR 2061 465 1 5 3,110 105 Summer,Duration Days 115 120.
130 Winter,Average Yield kg ha 4000 6000 6146,1000 grain wt g 20 6 20 35 23 1. Grain L B ratio 3 1 3 9 3 25,Grain type Medium Long Slender Long slender. Morphological Characters,Habit Erect Erect Semi dwarf. Leaf sheath Green Green Green,Septum Green Green White. Ligule Colourless Colourless Light green,Auricle Colourless Colourless Light green.
Intermediate,Panicle Long compact Long drooping,well exerted. Husk colour Straw Straw Straw,Rice colour White White White. Abdominal white Absent Absent Absent,Grain size mm. Length 7 8 8 9 10 1,Breadth 2 5 2 3 2 9,Thickness 2 1 8 2 2. II PARTICULARS OF RICE VARIETIES CONTD,PARTICULARS CO 43 Ponmani White Ponni.
Parentage Dasal x IR 20 Pankaj x Jagannath Taichung 65 2. Mayang Ebos 80,Duration Days 135 140 155 160 135 140. Average Yield kg ha 5200 5300 4500,1000 grain wt g 20 23 5 16 4. Grain L B ratio 3 5 2 2 3 22, Grain type Medium slender Short bold Medium slender. Morphological Characters,Habit Erect Erect Medium tall. Leaf sheath Green Green Green,Septum Green Green Green.
Ligule White longer White White,Auricle Colourless Colourless Colourless. Panicle Long drooping Medium drooping Long drooping. Husk colour Straw Straw Straw,Rice colour White White White. Abdominal white Absent Absent Absent,Grain size mm. Length 8 1 6 9 8,Breadth 2 3 3 1 3,Thickness 1 8 2 1 2. II PARTICULARS OF RICE VARIETIES CONTD,PARTICULARS IR 36 MDU 3 CO 47.
IR 50 CO 43,Parentage IR 1561 228 1 IR 8 W 1263,IR 244 O nivara CR. Duration Days 120 120 125 110 115,Average Yield kg ha 5000 4970 5832. 1000 grain wt g 21 23 1 20 6,Grain L B ratio 2 88 3 92 2 7. Grain type Medium Long Slender Medium slender,Morphological Characters. Habit Dwarf Erect Semi dwarf Erect,Leaf sheath Green Green Green.
Septum Cream Cream Yellow,Ligule Colourless White Acute to acuminate white. Auricle Colourless White 2 Clefted Colourless,Panicle Compact Medium Compact Compact. Husk colour Straw Straw Straw,Rice colour White White White. Abdominal white Absent Absent Absent,Grain size mm. Length 8 85 9 4 7 7,Breadth 3 07 2 4 2 3,Thickness 2 18 1 6 1 7.
II PARTICULARS OF RICE VARIETIES CONTD,PARTICULARS ASD 16 ASD 17 ADT 37. Parentage ADT 31 CO 39 ADT 31 RATNA BG 280 1 2,ASD 8 IR 8 PTB 33. Duration Days 110 115 101 105,Average Yield kg ha 5600 5422 6200. 1000 grain wt g 24 2 23 8 23 4,Grain L B ratio 2 6 2 24 1 79. Grain type Short Bold Short bold Short bold,Morphological Characters.
Habit Semi dwarf Semi dwarf Semi dwarf,erect slightly open semi erect. Leaf sheath Green Green Green,Septum Cream Cream White. Ligule White White 2 clefted White,Auricle Colourless Pale green White. Panicle Long Compact Long Intermediate Compact,densely drooping. just exerted,Husk colour Straw Straw Straw,Rice colour White White White.
Abdominal white Present Present Present,Grain size mm. Length 7 86 7 9 5,Breadth 3 02 2 8 2 8,Thickness 1 96 1 88 1 88. II PARTICULARS OF RICE VARIETIES CONTD,PARTICULARS ADT 38 TPS 2 ADT 39. Parentage IR 1529 680 3 2 IR 26 CO 40 IR 8 IR 20,IR 4432 52 6 4. IR 7963 30 2,Duration Days 130 135 125 130 120 125.
Average Yield kg ha 6200 4615 5000,1000 grain wt g 21 23 5 18. Grain L B ratio 3 2 2 89 2 9,Grain type Long Slender Short Bold Medium slender. Morphological Characters,Habit Semi dwarf erect Semi dwarf Semi dwarf. Leaf sheath Green Green Green,Septum White Cream Light Cream. Ligule White White Papery white,Non prominent,Auricle White White Non pigmented.
Panicle Long moderately Medium Medium Modera,dense tely dense. Husk colour Straw White Straw,Rice colour White White White. Abdominal white Absent Present Absent,Grain size mm. Length 6 9 8 1 7 6,Breadth 2 4 2 8 2 3,Thickness 2 2 1 9. II PARTICULARS OF RICE VARIETIES CONTD,PARTICULARS ASD 18 MDU 4 PMK 2.
Parentage ADT 31 IR 50 AC 2836 Jagannath IR13564,149 3 ASD 4. Duration Days 105 110 120 125 110 115,Average Yield kg ha 5900 5900 3200. 1000 grain wt g 21 8 22 9 22 1,Grain L B ratio 3 2 4 2 53. Grain type Medium slender Long slender Medium bold. Morphological Characters,Habit Semi dwarf 90cm Erect tall Erect. Leaf sheath Pale Green Green Green,Septum Light green Green Cream.
Ligule White clefted Colourless Palegreen,Auricle Pale green Colourless Palegreen. Panicle Medium compact Compact Medium Medium compact. Husk colour Straw Yellow straw,Rice colour White White Dull white. Abdominal white Slightly present Absent Present,Grain size mm. Length 8 64 9 12 7 8,Breadth 2 7 2 26 3,Thickness 2 2 2. II PARTICULARS OF RICE VARIETIES CONTD,PARTICULARS TKM 10 TPS 3 ADT 42.
Parentage CO 31 C22 RP 31 492 LMN AD9246 ADT29,Duration Days 135 135 140 115. Average Yield kg ha 2563 5253 5537,1000 grain wt g 23 2 23 2 24 8. Grain L B ratio 3 6 2 06 3 6,Grain type Medium slender Short Bold Long slender. Morphological Characters,Habit Semi tall Semi dwarf erect Semi dwarf. Leaf sheath Green Green Green,Septum Green Cream Cream.
Ligule Colourless White,Auricle Colourless Palegreen. Panicle Compact Long Intermediate,Husk colour Light brown Straw straw. Rice colour White White White,Occasionally,Abdominal white Present Present. Grain size mm,Length 9 7 96 9 32,Breadth 2 53 3 2 58. Thickness 1 75 2 1 89,II PARTICULARS OF RICE VARIETIES CONTD.
PARTICULARS ASD 19 TRY 1 MDU 5,Parentage Lalnakanda IR578 172 2 2 O glaberrima x. IR 30 BR 1 2 B 1 Pokkali,Duration Days 127 120 132 135 140 95 100. Average Yield kg ha 5800 5255 4500,1000 grain wt g 18 39 24 21 1. Grain L B ratio 3 06 2 6 3 12,Grain type Short slender Medium Medium slender. Morphological characters,Habit Semi dwarf erect Erect Erect.
Leaf sheath Light green Green Green,Septum Cream White. Ligule White White Colourless,Auricle Palegreen White Colourless. Panicle Compact dense Long moderately Intermediate. drooping compact,well exerted,Husk colour Straw Straw Straw. Rice colour White White White,Abdominal white Absent Absent. Grain size mm,Length 8 28 6 2 8 45,Breadth 2 32 2 4 2 7.
Thickness 1 72 1 8,II PARTICULARS OF RICE VARIETIES CONTD. PARTICULARS ASD 20 CO 46 ADT 43, Parentage IR 18348 IR25863 T7 IR 20 IR 50 White ponni. Duration Days 110 125 110,Average Yield kg ha 6000 6000 5900. 1000 grain wt g 22 08 23 5 15 5,Grain L B ratio 3 12 3 14 2 81. Grain type Long Slender Long Slender Medium slender. Morphological characters,Habit Erect Tall erect Semi dwarf.
Leaf sheath Pale green Green Light green,Septum Cream Cream. Ligule Pale white White,Auricle Pale green Colourless. Panicle Medium compact Long heavy Moderately long,Compact Intermediate type. Husk colour Straw Straw Straw,Rice colour White White White. Abdominal white Absent Absent Very occasionally,Grain size mm.
Length 9 38 6 6 5 46,Breadth 2 18 2 1 1 94,Thickness 1 46 1 7 1 63. II PARTICULARS OF RICE VARIETIES CONTD,PARTICULARS TKM 11 ADTRH 1 CORH 2. Parentage C22 BJ1 IR 58025 A IR 66 R IR 58025 A C 20R. Duration Days 110 120 115 125,Average Yield kg ha 3000 6400 6100. 1000 grain wt g 21 4 23 8 23 77,Grain L B ratio 3 2 3 46 2 62. Grain type Long slender Long slender Medium,Morphological characters.
Habit Erect Semi dwarf erect Semi dwarf,Leaf sheath Green Green Green. Septum Cream Cream Cream,Ligule Colourless White White. Auricle Light green Absent,Panicle Long compact Long Compact. Husk colour Straw,Rice colour White White milky scented White. Abdominal white Very occasionally Occasionally,present present.
Grain size mm,Length 9 3 6 96 6 11,Breadth 2 3 2 01 2 33. Thickness 1 6 1 72 1 86,II PARTICULARS OF RICE VARIETIES CONTD. PARTICULARS ADT R 44 ADT R 45 ADT R 46,IET 14099 IR56. Parentage IR50 ADT 37 ADT38 CO 45,Duration Days 148 110 135. Average Yield Kg ha 6214 5400 6656,1000 grain wt g 23 9 17 5 23 8.
Grain L B ratio 2 21 2 98 3 12,Grain type Short Bold Medium slender Long Slender. Morphological characters, Habit Medium Tall Semi dwarf erect Erect semi dwarf. Leaf sheath Light Green Green Green,Septum Cream Cream Cream. Ligule White White Long white,Auricle Pale green,Panicle Long Compact Compact Intermediate. Husk colour Straw Straw Straw,Rice colour White White White.
Abdominal white Present Absent Absent,Grain size mm. Length 8 07 8 00 9 58,Breadth 2 95 2 16 2 46,Thickness 2 06 1 97 1 95. II PARTICULARS OF RICE VARIETIES CONTD,PARTICULARS TKM R 12 TRY R 2 PMK R 3. Parentage TKM 9 TKM 11 IET 6238 IR 36 UPLRi 7 CO 43. Duration Days 115 120 115 120 110 115,Average Yield Kg ha 3043 5362 3025. 1000 grain wt g 18 3 22 8 26 10,Grain L B ratio 2 42 3 5 2 84.
Grain type Medium slender Long slender Long Bold,Morphological characters. Habit Erect Semi dwarf erect Erect,Leaf sheath Green Green Green. Septum Cream Light green,Ligule White distinct Pale green. Auricle Dull white Hairy light brown,Panicle Medium compact Compact Intermediate. Golden yellow with,Husk colour Straw Straw,brown streaks.
Rice colour White White White,Abdominal white Present Absent. Grain size mm,Length 7 5 9 1 6 75,Breadth 3 1 2 6 2 38. Thickness 2 3 1 7 2 08,II PARTICULARS OF RICE VARIETIES CONTD. PARTICULARS ADT R 47 ADT R 48,Parentage ADT 43 Jeeragasamba IET 11412 IR 64. Duration Days 118 94 99,Average Yield Kg ha 6200 4800.
1000 grain wt g 13 5 22 0,Grain L B ratio 2 72 3 25. Grain type Medium slender Long slender,Morphological characters. Habit Semidwarf erect Semidwarf erect,Leaf sheath Green Green. Septum Cream,Ligule Acute prominent,Auricle Light green. Panicle Long com droopy Intermediate,Husk colour straw straw.
Rice colour White white, Abdominal white Occassionally present Occassionally present. Grain size mm,Length 7 20 9 15,Breadth 2 20 2 54,Thickness 1 80 1 90. III RICE SEASONS OF TAMIL NADU,Month of Season Duration Districts. sowing Days, Dec Jan Navarai 120 Tiruvallur Vellore Tiruvannamalai Cuddalore. Villupuram Tiruchirapalli Perambalur Karur,Nagapattinam Madurai Theni Salem Namakkal.
Dindigul Dharmapuri Coimbatore Erode and,Pudukkottai. Apr May Sornavari 120 Tiruvallur Vellore Tiruvannamalai Cuddalore. Villupuram Namakkal Dharmapuri, Apr May Early Kar 120 Tirunelveli Kanyakumari Thoothukudi Erode. May June Kar Coimbatore Madurai Theni Dindigul Salem. Namakkal Dharmapuri, June July Kuruvai 120 Tiruchirapalli Perambalur Karur Thanjavur. Nagapattinam Tiruvarur Pudukottai Erode, July Aug Early Samba 130 to 135 Tiruvallur Vellore Tiruvannamalai Salem Namakkal. Cuddalore Villupuram Madurai Theni,Ramanathapuram Dharmapuri Coimbatore Erode.
Pudukkottai The Nilgiris,August Samba 130 135 All districts. Sep Oct Late Samba 130 135 Tiruvallur Madurai Theni Coimbatore Erode. Thaladi Pishanam, Sep Oct Late Pishanam 130 135 Madurai Theni Dindigul Kanyakumari. Tirunelveli Thoothukudi, Oct Nov Late Thaladi 115 120 Thanjavur Nagapattinam Tiruvarur Tiruchirapalli. Perambalur Karur,CROP MANAGEMENT,SYSTEMS OF RICE CULTIVATION IN TAMIL NADU. Rice is cultivated under puddled and un puddled lowland situations in Tamil Nadu. Transplanting and direct wet seeding are the two environments under puddled lowland Whereas un. puddled lowland cultivation undergoes different environments like dry seeding exclusively with rainfall. locally called as rainfed rice with supplemental irrigation during peak vegetative and reproductive. phases by the rain water collected harvested in tanks semi dry rice and also assured irrigation from. canal after 30 45 days of dry situation also called semi dry rice They are grouped as follows. 1 Transplanted puddled lowland rice,2 Direct seeded lowland rice.
a Wet seeded rice in puddled soil,b Dry seeded rice in un puddled soil. ii Semi dry supplemental irrigation,iii Semi dry canal irrigation contingent crop. 3 Dry seeded upland rice This system of rice cultivation is there in areas with high rainfall like. Assam and NE frontiers of India where the land is sloping and terraced and there is no. possibility for bunding to stagnate the water Grain yield is poor due to loss of nutrients and soil. mainly caused by water erosion Moisture availability is mostly at saturation or at wet range. There is very limited area Dharmapuri district in Tamil Nadu. 4 Deep water rice cultivation exits in certain pockets of Nagapattinam and Tiruvarur idstricts. These areas are not always seen with deep water situation Varieties suitable for that situation. can yield better grain yield,1 TRANSPLANTED PUDDLED LOWLAND RICE. TRANSPLANTED RICE,1 1 Nursery management,1 1 1 Wet nursery. Nursery area, Select 20 cents 800 m of land area near to water source for raising seedlings for one hectare.
30 kg for long duration,40 kg for medium duration,60 kg for short duration varieties and. 20 kg for hybrids,Seed treatment, a Treat the seeds in Carbendazim or Pyroquilon or Tricyclozole solution at 2 g l of water for 1 kg of. seeds Soak the seeds in water for 10 hrs and drain excess water. b This wet seed treatment gives protection to the seedlings up to 40 days from seedling disease. such as blast and this method is better than dry seed treatment. c If the seeds are required for sowing immediately keep the soaked seed in gunny in dark and. cover with extra gunnies and leave for 24hrs for sprouting. d Seed treatment with Pseudomonas fluorescens Treat the seeds with talc based formulation. of Pseudomonas fluorescens 10g kg of seed and soak in 1lit of water overnight Decant the. excess water and allow the seeds to sprout for 24hrs and then sow. e Seed treatment with Azospirillum Three packets 600 g ha of Azospirillum and 3 packets. 600g ha of Phosphobacteria or 6 packets 1200g ha of Azophos In bioinoculants mixed with. sufficient water wherein the seeds are soaked overnight before sowing in the nursery bed The. bacterial suspension after decanting may be poured over the nursery area itself. Biocontrol agents are compatible with biofertilizers. Biofertilizers and biocontrol agents can be mixed together for seed soaking. Fungicides and biocontrol agents are incompatible,Forming Seedbeds. Mark plots of 2 5m breadth with channels 30cm wide all around the seedbeds. Length of the seed bed may vary from 8 to 10m according to soil and slope of the land. Collect the puddled soil from the channel and spread on the seedbeds or drag a heavy stone. along the channel to lower it so that the seed bed is at a higher level. Level the surface of the seedbed so that the water drains into the channel. Sow the sprouted seeds uniformly on the seedbed having thin film of water in the nursery. Water Management,Drain the water 18 to 24hrs after sowing. Care must be taken to avoid stagnation of water in any part of the seedbed. Allow enough water to saturate the soil from 3 to 5 day From 5 day onwards increase the. water depth to 1 5cm depending on the height of the seedlings. Thereafter maintain 2 5cm depth of water,Weed Management.
Apply any one of the pre emergence herbicides viz Pretilachlor safener 0 3kg ha on 3 or 4. day after sowing to control weeds in the lowland nursery Keep a thin film of water and allow it to. disappear Avoid drainage of water This will control germinating weeds. Nutrient management, Apply 1tonne of fully decomposed FYM or compost to 20cents nursery and spread the manure. uniformly on dry soil, Basal application of DAP is recommended when the seedlings are to be pulled out in 20 25 days. after sowing in less fertile nursery soils, For that situation before the last puddling apply 40kg of DAP and if not readily available apply. straight fertilizers 16kg of urea and 120kg of super phosphate. If seedlings are to be pulled out after 25 days application of DAP is to be done 10 days prior to. pulling out, For clayey soils where root snapping is a problem 4kg of gypsum and 1kg of DAP cent can be. applied at 10 days after sowing,1 1 2 Dry nursery,Dry ploughed field with fine tilth is required.
Nursery area with sand and loamy soil status is more suitable for this type of nursery. Area 20cents, Plots of 1 to 1 5 m width of beds and channels may be formed Length may be according to the. slope and soil Raised beds are more ideal if the soil is clayey in nature. Seed rate and seed treatment as that of wet nursery. Sowing may be dry seeding Seeds may be covered with sand and finely powdered well. decomposed farm yard manure, Irrigation may be done to wet the soil to saturation. Optimum age for transplanting 4 leaf stage, This type of nursery is handy in times of delayed receipt of canal water. 1 2 Main Field Management,1 2 1 Land preparation, Plough the land during summer to economize the water requirement for initial preparation of land. Flood the field 1 or 2days before ploughing and allow water to soak in Keep the surface of the. field covered with water, Keep water to a depth of 2 5cm at the time of puddling.
Special technologies for problem soils, a For fluffy paddy soils compact the soil by passing 400kg stone roller or oil drum with stones. inside eight times at proper moisture level moisture level at friable condition of soil which is. approximately 13 to18 once in three years to prevent the sinking of draught animals and. workers during puddling, b For sodic soils with pH values of more than 8 5 plough at optimum moisture regime apply. gypsum at 50 gypsum requirement uniformly impound water provide drainage for leaching. out soluble salts and apply green leaf manure at 5 t ha 10 to 15 days before transplanting. Mix 37 5kg of Zinc sulphate per ha with sand to make a total quantity of 75kg and spread the. mixture uniformly on the leveled field Do not incorporate the mixture in the soil Rice under. sodic soil responds well to these practices, c For saline soils with EC values of more than 4 dS m provide lateral and main drainage. channels 60cm deep and 45cm wide apply green leaf manure at 5 t ha at 10 to 15 days. before transplanting and 25 extra dose of nitrogen in addition to recommended P and K. and ZnSo at 37 5 kg ha at planting, d For acid soils apply lime based on the soil analysis for obtaining normal rice yields Lime is. applied 2 5t ha before last ploughing Apply lime at this rate to each crop up to the 5 crop. 1 2 2 Stand Establishment,Optimum age of seedlings for quick establishment.
Optimum age of the seedlings is 18 22 days for short 25 30 days for medium and 35 40 days for. long duration varieties,Pulling out the seedlings, Pull out the seedlings at the appropriate time 4 leaf stage. Pulling at 3 leaf stage is also possible These seedlings can produce more tillers provided. enough care taken during the establishment phase See section 1 8 Integrated Crop Management. ICM Rice SRI through thin film of water management and perfect leveling of main field. Transplanting after 5 and higher order leaf numbers will affect the performance of the crop and. grain yield Then they are called as aged seedlings Special package is needed to minimize the. grain yield loss while planting those aged seedlings. Root dipping, Prepare the slurry with 5 packets 1000 g ha of Azospirillum and 5 packets 1000g ha of. Phosphobacteria or 10 packets of 2000g ha of Azophos inoculant in 40 lit of water and dip the. root portion of the seedlings for 15 30 minutes in bacterial suspension and transplant. Planting seedlings in the main field,Soil Medium and low fertility High fertility. Duration Short Medium Long Short Medium Long,Spacing cm 15x10 20x10 20x15 20x10 20x15 20x20. Hills m 66 50 33 50 33 25, Transplant 2 3 seedlings hill for short duration and 2 seedlings hill for medium and long duration.
Shallow planting 3 cm ensures quick establishment and more tillers. Deeper planting 5cm leads to delayed establishment and reduced tillers. Line planting permits rotary weeding and its associated benefits. Allow a minimum row spacing of 20 cm to use rotary weeder. Fill up the gaps between 7 and 10 DAT,Management of Aged seedlings. Which developed tillers underwent node elongation in the nursery itself and. About half of its leaf producing capacity may be already over. Follow the spacing recommended to medium and low fertility soil. Plant one or two seedlings per hill, Avoid cluster planting of aged seedlings which are hindering the formation of new tillers. New tillers alone are capable of producing normal harvestable panicle Weak panicle may appear. in the mother culm within three weeks after transplanting and vanishes well before harvest. To encourage the tiller production enhance the basal N application by 50 from the. recommended and thereafter follow the normal schedule recommended for other stages. Gap filling, Fill the gaps if any within 7 10 days after planting. 1 2 3 Nutrient management,Application of organic manures. Apply 12 5 t of FYM or compost or green leaf manure 6 25 t ha. If green manure is raised 20 kg ha in situ incorporate it to a depth of 15 cm using a green. manure trampler or tractor, In the place of green manure press mud composted coir pith can also be used.


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is a soldier who spent their entire career in the military and retired to a full pension. Some might say it is a soldier that served in combat warzone environment. Others might say it is anyone who served in the military, regardless of whether it was the active military or the reserve.