NORTH EASTERN ZONE 
        Districts:  Thiruvallur, Villuppuram, Kancheepuram, Cuddalore, Thiruvannamalai, Vellore 
         
  Geographical  distribution of area  
        
          - The zone can be broadly divided into six  geographical tracts.
 
          - The coastal plain comprising the Northern plain  (Thiruvallur, Vellore, Kancheepuram, Thiruvannamalai,  Villupuram, part of Cuddalore, Perambalur and Ariyalur). 
 
         
        
          - A considerable portion is hilly and mountainous  undulating with  hillocks. 
 
         
        
          - The Eastern ghats comprising a line of hills,  the Javadis, Shevaroys, Kalrayans, Pachamalais and Kollimalais between the  Palar and Cauvery rivers and beyond, and linked with the tail of Cuddapah in  the Nilgiri hills. 
 
          - The central plateau undulating between the  eastern and western ghats, with the Palghat gap between the Nilgiris and the  Annamalai hills on the west
 
          - Western ghats  comprise the highest mountains of the peninsula. The Nilgiris located on the  Northern side of the Palghat gap form a compact area of about 2950 km. 
 
          - There are some back water lag on adjoining the  coast around Cuddalore, Marakkanam and Pichavaram. 
 
         
        Principal  crops  
           
          The principal crops of this zone are rice (7.4 lakh ha),  millets (2.52 lakh ha), pulses (2.743 lakh ha), sugarcane (2.646 lakh ha) and  cashew (7038 lakh ha).  
        Cropping pattern suggested for  different weather conditions 
          1. Kancheepuram district  
        
          - Mean  annual rainfall (mm) -1253.8 
 
          - Cold  weather period (Jan.-Feb) -27.2 
 
          - Summer  (March-May) -66.7 
 
          - South  West monsoon season (June-Sept) -462.7 
 
          - North  East monsoon season (Oct.-Dec.) -697.2 
 
         
        a. Tankfed areas: tank  alluvium -heavy clay and laterite soils  
          Existing 
        
          - Rice  (Aug.-Jan.) - rice (Jan.-April) 
 
         
        Normal  year 
        
          - Rice  (Aug.-Jan.) - rice (Jan.-April) 
 
          - Rice (Aug.-Jan) - maize (Jan.-April) 
 
         
        Moderate drought year 
        
          - Maize/sesame/pearl millet/vegetables (lablab, clusterbean,  brinjal)   (Aug.-Nov.) - pulses  (Dec.-Mar) 
 
         
  Severe drought year 
        
          - Wheat  / fodder maize/fodder cowpea/vegetables (lab lab / cluster  bean /  bhendi) (Nov.-Feb.) 
 
         
        b. Well irrigated areas:  laterite, red and black soils  
        Existing 
        
          - Sugarcane  (Dec.-Jan.) - ratoon sugarcane (Jan.-Nov.) - rice (Dec.-May)  - groundnut (June-Sep./Oct.) - 3 year  rotation 
 
         
        
          - Rice (Aug.-Jan.) - rice (Jan.-April.) - groundnut  (April-June) 
 
          - Rice (Aug.-Nov.)-rice (Dec.-March) - rice(Mar-July) 
 
          - Banana  (July-Aug.) - ratoon banana (Sep.-Aug.) Vegetables (Sep.- Feb.) - Maize (Feb.-May) - 3 year  rotation 
 
         
  Normal year  
        
          - Rice/vegetables/marigold(June-Oct.)  - maize (Oct.-Jan.) - pulses  (Feb.-May) 
 
         
        
          - Maize (June-Sep.) - cabbage / knolkhol (Oct.-Feb.) -pulses  (Feb.-May) 
 
          - Maize (June-Sep) - rice (Oct-Feb)– pulses (Feb-May) 
 
          - Rice/vegetables/marigold(June-Oct.) - maize (Oct.-Jan.) -  pulses  (Feb.-May) 
 
         
        
          - Rice (Aug.-Jan.) - groundnut (Feb.-April) - gingelly 
 
          - Sugarcane (Dec.-Jan.) - ratoon sugarcane (Jan.-Nov.) - rice  (Dec.-May)  - groundnut (June-Sep./Oct.) - 3 years  rotation 
 
         
        
          - Sambangi (Tuberose) (June-May) - 2 year rotation 
 
          - Sunflower (May-Aug.) – marigold (Sep.-Dec.) 
 
          - Maize (June-Sep.) – marigold (Oct.-Feb.) - pulses (Feb.-May) 
 
          - Chrysanthemum (May-March) - ratoon chrysanthemum - 2 years  rotation 
 
         
        
          - Sweet sorghum** (Jun-Sep) – sugarbeet* (Nov-Feb) – Gingelly  (Feb- May) 
 
         
        
          - Vegetables (Jun.-Sept.) – sugarbeet* (Sept.-Feb) – pulses  (Feb-May) 
 
          - Groundnut (Jun-Sept) – sugarbeet* (Sept.-Feb) – Sweet  sorghum**  (Feb-May) 
 
         
        
          - Groundnut (Jun-Sept.) – Jatropha* (Sept. sowing) 
 
         
        Moderate  drought year 
        
          - Vegetables  / sunflower / maize (May-Aug.) – gingelly (Oct.-Jan.) – green manure (Feb.-March) 
 
         
        
          - Vegetables (May-July) - maize/sunflower (Aug.-Dec.) -  groundnut /  gingelly (Jan.-April) 
 
         
        
          - Groundnut (Jun-Sept) – jatropha* (Sept. sowing) (under drip  irrigation) 
 
         
        
          - Maize (Jun-Sept) – sugarbeet* (Sept.-Feb) – pulses (Feb-Apr) 
 
         
        Severe  drought year  
        
          - Pearl  millet/sorghum/Periwinkle*/senna* (July-Oct.) wheat (Nov- Feb)-clusterbean / watermelon (Feb-May) 
 
         
        
        c.  Rainfed areas: lateritic, red and black soils  
          Existing 
        
          - Pearl  millet (June-Sep.) - groundnut (Oct.-Feb.) 
 
          - Gingelly (June-Sep.) - groundnut (Oct.-Feb.) 
 
          - Groundnut (June-Sep.) - pulses (Dec.-Mar.) 
 
          - Groundnut (June-Sep.) - ragi (Nov.-Feb.) 
 
          - Groundnut (June-Sep.) - gingelly(Dec.-Mar.)
 
         
          
          Normal year  
        
          - Maize (June-Sep.) - groundnut (Oct.-Feb.) 
 
          - Rice (July-Nov.) 
 
          - Groundnut / maize (July-Nov.) 
 
          - Aswagantha* (June-Jan.) - pulses (Jan.-April) 
 
          - Groundnut (July-Oct.) - coriander (Nov.-Jan.) 
 
          - Gingelly(June-Sep.) - groundnut (Oct.-Feb.) 
 
          - Groundnut  (June-Sep.) – gingelly (Dec.-Mar.) 
 
         
        Moderate  drought year 
        
          - Maize  + pulses (July-Dec.) -pulses (Jan.-April) 
 
         
        Severe  drought year 
        
          - Horsegram  / pearl millet / pulses / ragi / minor millet (Oct.-Jan.)
 
         
          
          2.  Thiruvallur district  
        
          - Mean  annual rainfall (mm) -1147.3 
 
          - Cold  weather period (Jan.-Feb) -30.5 
 
          - Summer  (March-May) -63.2 
 
          - South  West monsoon season (June-Sept) -449.5 
 
          - North  East monsoon season (Oct.-Dec.) -604.1 
 
         
        a. Tankfed areas: tank alluvium (heavy clay and red  soils)  
          Existing 
        
          - Rice  (Aug.-Jan.) -pulses / groundnut (Jan.-April)
 
         
        Normal  year 
        
          - Rice/vegetables/watermelon  (Aug.-Jan.)- groundnut/ gingelly /pulses (Feb.-May) 
 
         
        Moderate  drought year 
        
          - Ragi/maize/pearl  millet and clusterbean (Aug.-Jan.) -pulses / sesame/ vegetables /watermelon  (Feb.-April) 
 
          - Pulses  (June-Sep.) - wheat (Nov.-Feb.) 
 
          - Tapioca  (Aug.-May) 
 
         
        Severe  drought year 
        
        b. Well irrigated areas:  red and laterite soils  
          Existing 
        
          - Sugarcane  (Dec.-Jan.) - ratoon sugarcane (Jan.-Nov.) - rice (Dec.-May)  - groundnut (June-Sep./Oct.) - 3 years  rotation 
 
         
        
          - Rice (April-Aug.) - groundnut (Sep.-Dec.)  -vegetables/gingelly (Jan.-  March) 
 
         
        
          - Banana  (July-May) - ratoon banana (June-March) -vegetable (April – July) - maize (July-Oct.) - rice  (Oct.-Jan.) - 3 years rotation
 
          - Normal year
 
         
        
          - Rice  (April-Aug.) - groundnut (Sep.-Dec.) -vegetables / gingelly (Jan.- March) 
 
         
        
          - Vegetables (June-Oct.) - maize (Oct.-Jan.) - pulses  (Feb.-May) 
 
          - Maize (June-Sep.) - cabbage / knolkhol (Oct.-Feb.) - Pulses  (Feb.-May) 
 
          - Maize (Jun-Sep)-marigold (Oct-Feb)-pulses (Feb-May) 
 
          - Chrysanthemum (May-March) - ratoon chrysanthemum - 2 years  rotation 
 
         
        
          - Rice  (Aug.-Jan.)-groundnut (Feb.-Apr)-gingelly (April -June) 
 
          - Sweet sorghum* (Jun-Sep) – sugarbeet* (Nov-Feb) – Gingelly  (Feb- May) 
 
         
        
          - Vegetables (Jun.-Sept.) – sugarbeet* (Sept.-Feb) – pulses  (Feb-May) 
 
          - Groundnut (Jun-Sept) – sugarbeet* (Sept.-Feb) – Sweet sorghum*  (Feb-May) 
 
         
        
          - Groundnut (Jun-Sept.) – jatropha* (Sept. sowing) 
 
          - Sugarcane (Dec.-Jan.) - ratoon sugarcane (Jan.-Nov.) - rice  (Dec.-May)  - groundnut (June-Sep. /Oct.) - 3 years  rotation 
 
         
        
          - Banana (July-May) - ratoon banana (June-March) - vegetable  (April –  July) - maize (July-Oct.) - rice  (Oct.-Jan.) - 3 years rotation 
 
          Moderate  drought year 
         
        
          - Vegetables (May-July) - maize/sunflower/ groundnut / pulses  /sesame/pearl millet/water melon  (Aug.-Jan.) 
 
         
        
          - Vegetables (May-July) - maize/sunflower (Aug.-Dec.) – groundnut/gingelly (Jan.-April) 
 
         
        
          - Groundnut (Jun-Sept) – jatropha* (Sept. sowing) (under drip  irrigation) 
 
         
        
          - Maize (Jun-Sept) – sugarbeet* (Sept.-Feb) – pulses (Feb-Apr) 
 
         
        Severe  drought year  
        
          - Pearl  millet/sorghum / Periwinkle*/ senna*/vegetables (lab lab / cluster bean  / bhendi) (July-Oct.) - wheat / vegetables (lab lab /cluster bean/ bhendi /  water melon) (Nov.-Feb.) 
 
          - Jatropha*  (Sept. sowing) 
 
         
        c.  Rainfed areas:  laterite and red soils  
        Existing 
        
          - Dry  rice (June-Aug.) - pulses / vegetables / gingelly (Sept.-Jan.) 
 
          - Pulses (June-Sep.) – groundnut / gingelly (Sep.-Feb.) 
 
          - Groundnut (June-Sep.) – gingelly (Oct.-Feb.) 
 
         
        Normal  year 
        
          - Dry rice (June-Aug.)- maize/vegetable/ groundnut / pulses  (Sept.-  Jan.) 
 
         
        
          - Groundnut (June-Sep.) - pulses/gingelly (Oct.-Feb.) 
 
          - Pulses (June-Sep.) - groundnut / gingelly (Sep.-Feb.) 
 
          - Maize (June-Sep.) - groundnut (Oct.-Feb.) 
 
          - Aswagandha* (June-Jan.) pulses/lablab (Feb.-May) 
 
          - Dry rice (June-Aug.)-maize/vegetable/  groundnut / pulses (Sept.-  Jan.) 
 
          Moderate  drought year 
         
        
          - Maize/sunflower/groundnut/pulses (Oct.-Jan.) 
 
          - Tapioca + groundnut (June-Feb.) 
 
          - Groundnut (June-Sep.) - pulses / gingelly (Oct.-Feb. 
 
         
        Severe drought year 
        
          - Pearl  millet / ragi / horsegram / sunflower / minor millets/pulses / aloe*  (Oct.-Jan.) 
 
         
        3. Villupuram district  
        
          - Mean  annual rainfall (mm) -1030.0 
 
          - Cold  weather period (Jan.-Feb) -35.1 
 
          - Summer  (March-May) -77.1 
 
          - South  West monsoon season (June-Sept) -433.0 
 
          - North  East monsoon season (Oct.-Dec.) -484.8 
 
         
        a. Command areas (Sathanur)  - Heavy clay and sandy soils  
          Existing 
        
          - Rice  (Aug.-Jan.) -pulses/gingelly (Jan.-April) 
 
         
        Normal  year 
        
          - Rice  (Aug.-Jan.) -pulses / gingelly (Jan.-April) 
 
          - Rice  (Aug.-Jan) – pulses/sesame/maize (Jan.-April) 
 
         
        Moderate drought year 
        
          - Maize/pearl  millet (Aug.-Dec.)-pulses (Jan.-March) 
 
         
        Severe  drought year 
        
          - Pearl  millet / sorghum / fodder (Oct.-Jan.) 
 
          - Vegetables  (lab lab / cluster bean / bhendi) (Oct.-an.) for heavy soils 
 
         
        b. Tank fed areas: tank  alluvium (heavy clay and laterite soils)  
          Existing 
        
          - Rice  (Aug.-Jan.) -pulses (Jan.-April) 
 
         
        Normal year 
        
          - Rice  (Aug.-Jan.) – pulses (Jan.-Apr.) 
 
         
        Moderate drought year 
        
          - Pearl  millet (Aug.-Jan.) - pulses (Feb.-April) Pulses (June-Sep.) – wheat  (Nov.-Feb.) 
 
          Severe drought year 
         
        
          - Wheat  / fodder (Nov.-Feb.) 
 
         
        c. Well irrigated areas: laterite, red and black  soils  
          Existing 
        
          - Rice (Aug.-Jan.) - groundnut (Feb.-April) – gingelly (April -  June) 
 
         
        Normal  year 
        
          - Sugarcane  (Dec.-Jan.) – ratoon sugarcane (Jan.-Nov.)-rice (Dec.-May)  - groundnut (June - Sep./Oct.) - 3 years  rotation 
 
         
        
          - Rice (Aug.-Jan.) - groundnut (Feb.-April) – gingelly (April -  June) 
 
          - Maize (June-Sep) – marigold (Oct.-Feb.)- pulses (Feb.-May) 
 
          - Vegetables (June-Oct.) - maize (Oct.-Jan.) - pulses  (Feb.-May) 
 
          - Vegetables (Jun.-Oct) – sugarbeet* (Nov.-Feb) – pulses  (Feb-May) 
 
          - Sugarcane (Dec.-Jan.) – ratoon sugarcane (Jan.-Nov.)-rice  (Dec.-May)  - groundnut (June - Sep./Oct.) - 3 years  rotation
 
         
        
          - Sweet sorghum* (Jun-Sep) – sugarbeet* (Nov-Feb) – Gingelly  (Feb-  May) 
 
         
        
          - Vegetables (Jun.-Sept.) – sugarbeet* (Sept.-Feb) – pulses  (Feb-May) 
 
          - Groundnut (Jun-Sept) – sugarbeet* (Sept.-Feb) – Sweet  sorghum*  (Feb-May) 
 
         
        
          - Groundnut  (Jun-Sept.) – jatropha* (Sept. sowing) 
 
         
        Moderate  drought year 
        
          - Vegetables  (lab lab / cluster bean / bhendi) (May-July) – maize/sunflower (Aug.-Dec.) - groundnut /  gingelly (Jan.-April) 
 
         
        
          - Maize (Jun-Sept) – sugarbeet*  (Sept.-Feb) – pulses (Jun-Sept) 
 
         
        Severe  drought year     
        
          - Pearl millet / sorghum / Periwinkle*/ senna*  (July-Oct.) - wheat  (Nov.-Feb.) – lab lab / cluster bean /  bhendi / watermelon (Feb-May) 
 
         
        
          - Jatropha*  (Sept. sowing) 
 
          - Groundnut  (Jun-Sept) – jatropha* (Sept. sowing) (under drip  irrigation)
 
         
        d.  Rainfed areas: laterite, red and black soils  
        Existing  
        
          - Pearl  millet (June - Sep.) - groundnut (Oct.-Feb.) 
 
          - Gingelly (June-Sep.) - groundnut (Oct.-Feb.) 
 
          - Groundnut (June-Sep.) – gingelly (Oct.-Feb.) 
 
         
        Normal year 
        
          - Maize /pearl millet (June-Sep.)-groundnut (Oct-Feb) 
 
          - Gingelly (June-Sep.) - groundnut (Oct.-Feb.) 
 
          - Groundnut (June-Sep.) - pulses (Oct.-Jan.) 
 
          - Ashwaganda* (June-Jan)-pulses (lablab) (Feb-May) 
 
         
        Moderate  drought year 
        
          - Maize (heavy soils)/sunflower + pulses / gingelly (Oct.-  Jan.) 
 
          Severe  drought year 
         
        
          - Pearl  millet / horsegram / sunflower / minor millets / pulses (Oct.-  Jan.) – sugarbeet* (Sept.-Feb) – pulses  (Feb-Apr) 
 
           
         
        4. Thiruvannamalai  district  
        
          - Mean  annual rainfall (mm) -1039.8 
 
          - Cold  weather period (Jan.-Feb) -31.3 
 
          - Summer  (March-May) -102.9 
 
          - South  West monsoon season (June-Sept) -465.8 
 
          - North  East monsoon season (Oct.-Dec.) -439.8 
 
         
        a. Command areas  (Sathanur) - heavy clay and sandy soils  
          Existing 
        
          - Rice  (Aug.-Jan.) - pulses / gingelly(Jan.-April) 
 
         
        Normal year 
        
          - Rice/maize  (Aug.-Jan.) - pulses/gingelly (Jan.-Apr.) 
 
         
        Moderate drought year 
        
          - Groundnut  / maize (Aug.-Dec.) - pulses (Jan. - Apr) 
 
         
        Severe  drought year 
        
          - Pearl  millet / sorghum / fodder (Oct.-Jan.) 
 
          - Cluster  bean/vegetable beans (Oct-Jan.) in heavy soils
 
         
        b. Well irrigated areas: red and laterite soils  
          Existing 
        
          - Rice  (Aug.-Jan.) - groundnut (Feb.-April) – gingelly (Apr.-June) 
 
         
        Normal  year  
        
          - Rice  (Aug.-Jan.) - groundnut (Feb.-April) – gingelly (Apr. - June) 
 
          - Sugarcane (Dec.-Jan.) - ratoon sugarcane (Jan.-Nov.) rice  (Dec.-May)  – groundnut (June-Sep.) – 3 years  rotation 
 
         
        
          - Vegetables (June-Oct.) - maize (Oct.-Jan.) - cotton / pulses  (Feb.-May) 
 
          - Maize (June-Sep.) – marigold (Oct.-Feb.) - pulses (Feb.-May) 
 
          - Vegetables (Jun.-Sept.) – sugarbeet* (Sept.-Feb) – pulses  (Feb-May) 
 
          - Groundnut (Jun-Sept) – sugarbeet* (Sept.-Feb) – Sweet  sorghum* 
 
         
              (Feb-May)  
        
          - Groundnut (Jun-Sept.) – jatropha* (Sept. sowing) 
 
         
        Moderate  drought year 
        
          - Vegetables (May-July) - maize/sunflower (Aug.-Dec.) - pearl  millet / 
 
         
              groundnut / gingelly/ palmarosa  (Jan.-April)  
        
          - Groundnut (Jun-Sept) – jatropha* (Sept. sowing) (under drip  irrigation) 
 
         
        
          - Maize (Jun-Sept) – sugarbeet* (Sept.-Feb) – pulses (Feb-Apr) 
 
         
        Severe  drought year 
        
          - Pearl millet / sorghum / Periwinkle*/ senna*  (July-Oct.) - wheat 
 
         
              (Nov.-Feb.) - cluster bean / lab lab /  bhendi /water melon (Feb.-May)  
        
        c. Rainfed areas: red,  laterite and heavy clay soils  
          Existing 
        
          - Pearl  millet (June-Sep.) - groundnut (Oct.-Feb.) 
 
         
        Normal  year 
        
          - Groundnut  / maize (June-Sep.); Groundnut / pulses / fingermillet 
 
         
              (Oct.-Feb.)  
        
          - Groundnut  (June-Sep.) – gingelly (Oct.-Feb.) 
 
          - Gingelly (June-Sep.) - groundnut (Oct.-Feb.) 
 
         
        Moderate drought year 
        
          - Maize (heavy soils) / sunflower + ragi/pulses (Oct.-Jan.) 
 
         
        Severe  drought year 
        
          - Pearl  millet / horsegram / minor millets / pulses (Oct-Jan.) 
 
          - Aloe*  (Oct. -Jan) 
 
         
        5. Vellore district  
        
          - Mean  annual rainfall (mm) -915.4
 
          - Cold  weather period (Jan.-Feb) -18.2 
 
          - Summer  (March-May) -102.2 
 
          - South  West monsoon season (June-Sept) -442.0 
 
          - North  East monsoon season (Oct.-Dec.) -353.0 
 
         
        a. Tankfed areas: tank  alluvium (heavy clay and red soils)  
          Existing 
        
          - Rice  (Aug.-Jan.) - pulses (Jan.-April)
 
         
        Normal  year 
        
          - Rice/vegetables (Aug.-Jan.) - gingelly/ pulses (Feb-May) 
 
         
        Moderate  drought year 
        
          - Pearl millet / sorghum (Aug.-Jan.) - pulses / ragi / maize  (Feb.-May) 
 
          - Pulses  (June-Sep.) - wheat (Nov.-Feb.) 
 
         
        Severe drought year 
        
          - Wheat  / fodder (Nov.-Feb.) 
 
         
        b. Well irrigated  areas:  red and laterite soils  
          Existing 
        
          - Sugarcane  (Dec.-Jan.) - ratoon sugarcane (Jan.-Nov.)rice (Dec.-May) – groundnut (June-Sep./Oct.) -3 years  rotation 
 
         
        
          - Rice (Aug.-Jan.) - groundnut (Feb.-April) – sesame/  pulses/maize /  greens (April-June) 
 
         
        
          - Banana (July-Aug.) - ratoon banana (Sep.-Aug.) -vegetable  (Sep.-Feb.)  - maize (Feb.-May) 3 years rotation 
 
           
         
        Normal  year  
        
          - Sugarcane (Dec.-Jan.) - ratoon sugarcane (Jan.-Nov.) - rice (Dec.-May)   -  groundnut (June-Sep./Oct.) -3 years rotation 
 
         
        
          - Rice (Aug.-Jan.) - groundnut (Feb.-April) - sesame/  pulses/maize  (April - June) 
 
         
        
          - Vegetables (June-Oct.) - maize (Oct.-Jan.) - pulses  (Feb.-May) 
 
          - Maize (June-Sep.) - cabbage / knolkhol (Oct.-Feb.) -pulses  (Feb.-May) 
 
          - Maize (June-Sep.) – marigold/ ragi (Oct.-Feb.) -pulses  (Feb.-May) 
 
          - Chrysanthemum (May-March) - ratoon chrysanthemum (2 years  rotation) 
 
         
        
          - Vegetables (Jun.-Sept.) – sugarbeet* (Sept.-Feb) – pulses  (Feb-May) 
 
          - Groundnut (Jun-Sept) – sugarbeet* (Sept.-Feb) – Sweet  sorghum* 
 
         
              (Feb-May)  
        
          - Banana (July-Aug.) - ratoon banana (Sep.-Aug.) -vegetable  (Sep.-Feb.)  - maize (Feb.-May) 3 years rotation 
 
         
        
          - Groundnut (Jun-Sept.) – jatropha* (Sept. sowing) 
 
         
        Moderate  drought year 
        
          - Vegetables (May-July) - maize/sunflower / ragi (Aug-Dec.) –  groundnut/gingelly (Jan.-Apr.) Groundnut (Jun-Sept) – jatropha* 
 
                          (Sept. sowing) (under drip  irrigation)  
         
        
          - Maize (Jun-Sept) – sugarbeet* (Sept.-Feb) – pulses (Feb-Apr) 
 
         
        Severe drought year 
        
          - Pearl  millet/sorghum/Periwinkle*/ senna* (July-Oct.) wheat (Nov.- Feb.) - cluster bean / bhendi / lab lab /  watermelon (Feb.-May) 
 
         
        
        c. Rainfed areas: red and  laterite soils  
          Existing 
        
          - Pearl millet / sorghum (June-Sep.) - groundnut (Oct.-Feb.) 
 
          - Gingelly  (June-Sep.) - groundnut (Oct.-Feb.) 
 
          - Maize  (June-Sep.) - groundnut (Oct.-Feb.)
 
          - Groundnut (June-Sep.) – gingelly (Oct.-Feb.) 
 
         
        Normal  year 
        
          - Pearl millet/sorghum(June-Sep.)-groundnut (Oct-Feb.) 
 
          - Aswagantha* (June-Jan.) - pulses (Feb.-May) 
 
          - Groundnut (June-Sep.) – gingelly (Oct.-Feb.) 
 
         
        Moderate  drought year 
        
          - Maize (heavy soils) / sunflower/ gingelly (Oct.-Jan.) 
 
         
        Severe drought year 
        
          - Pearl  millet / horsegram / sunflower / minor millets / pulses (Oct.- Jan.) 
 
           
         
        6. Cuddalore district  
        
          - Mean  annual rainfall (mm) -1248.1 
 
          - Cold  weather period (Jan.-Feb) -65.6 
 
          - Summer  (March-May) -92.4 
 
          - South  West monsoon season (June-Sept) -373.6 
 
          - North  East monsoon season (Oct.-Dec.) -716.5 
 
         
        a. Command areas (Chidambaram and Kattumannarkoil  areas): heavy clay soils  
          Existing 
        
          - Rice  (June-Sep.) - rice (Oct.-Jan.) - pulses / gingelly (Feb.-May) 
 
          - Rice (Aug.-Jan.) - pulses/sesame/cotton (Jan.-Apr) 
 
          - Sugarcane  (Dec.-Nov.) - ratoon sugarcane (Dec.-Nov.) - rice (Dec.-May)  - groundnut (June-Sep./Oct.) -3 years  rotation 
 
           
         
        Normal  year 
        
          - Rice  (June-Sep.) - rice (Oct.-Jan.) - pulses/gingelly (Feb.-May) 
 
          - Rice (Aug.-Jan.) - pulses/sesame/cotton (Jan.-April) 
 
          - Maize /vegetables/pulses/sesame/green manure (June-Sep.) -  rice  (Aug.-Feb.) - pulses (Feb.-May) 
 
         
        
          - Sugarcane (Dec.-Nov.) - ratoon sugarcane (Dec.-Nov.) - rice  (Dec.-May)  - groundnut (June-Sep./Oct.) -3 years  rotation 
 
           
         
        Moderate  drought year 
        
          - Maize/vegetables/sesame/green manure (Jun.-Sep.) - rice  (Aug.-Feb.)   - gingelly (Feb.-May) 
 
          Severe drought year  
         
        
          - Millets/green  manure/gingelly (June-Sep.) - maize/ fodder (Oct.-Feb.)  –  gingelly (Feb.-May) 
 
            b. Tankfed areas: tank  alluvium (heavy clay soils)  
           
         
        Existing  
        
          - Rice  (Aug.-Jan.) -pulses (Jan.-Apr.) 
 
         
        Normal  year 
        
          - Rice/vegetables (Aug.-Jan.) - gingelly/ pulses (Feb-May) 
 
         
        Moderate  drought year 
        
          - Pearl millet + cluster bean (Aug.-Jan.) - pulses (Feb.-April) 
 
          - Pulses  (June-Sep.) - wheat (Nov.-Feb.) 
 
         
        Severe drought year  
        
          - Wheat / fodder / pulses (Nov.-Feb.) 
 
         
        c. Well  irrigated areas: laterite, red and black soils  
          Existing 
        
          - Sugarcane  (Dec.-Jan.) - ratoon sugarcane (Jan.-Nov.) - rice (Dec.-May)  - groundnut (June-Sep./ Oct.) 3 years  rotation 
 
         
        
          - Rice  (Aug.-Jan.) - groundnut (Feb.-Apr.) – gingelly (Apr.-June) 
 
         
        Normal  year 
        
          - Rice  (Aug.-Jan.) - groundnut (Feb.-April) – gingelly (April - June) 
 
          - Maize (June-Sep.) – marigold (Oct.-Feb.) - pulses (Feb.-May) 
 
          - Vegetables (June-Oct.) - maize (Oct.-Jan.) - pulses  (Feb.-May) 
 
          - Vegetables (Jun.-Sept.) – sugarbeet* (Sept.-Feb) – pulses  (Feb-May) 
 
          - Groundnut (Jun-Sept) – sugarbeet* (Sept.-Feb) – Sweet  sorghum* (Feb-May) 
 
          - Groundnut (Jun-Sept.) – jatropha* (Sept. sowing) 
 
          - Sugarcane (Dec.-Jan.) - ratoon sugarcane (Jan.-Nov.) - rice  (Dec.-May) - groundnut (June-Sep./ Oct.) 3 years rotation 
 
         
        Moderate  drought year 
        
          - Vegetables (May-July) - maize/sunflower (Aug.-Dec.) groundnut  gingelly (Jan.-April) 
 
         
        
          - Groundnut (Jun-Sept) – jatropha* (Sept. sowing) (under drip  irrigation) 
 
         
        
          - Maize (Jun-Sept) – sugarbeet* (Sept.-Feb) – pulses (Feb-Apr) 
 
         
        Severe drought year  
        
          - Pearl millet / sorghum / Periwinkle*/ senna* (July-Oct.) -  wheat  (Nov.-Feb.) - cluster bean / bhendi / lab  lab/ watermelon (Feb.-May) 
 
         
        
        d. Rainfed areas: laterite and black  soils  
          Existing 
        
          - Pearl  millet (June-Sep.) - groundnut (Oct.-Feb.) 
 
          - Gingelly(June-Sep.)  - groundnut (Oct.-Feb.)
 
          - Groundnut (June-Sep.) - gingelly(Oct.-Feb.) 
 
         
        Normal  year 
        
          - Maize/pearl millet (Jun.-Sep)-groundnut (Oct-Feb) 
 
          - Groundnut (June-Sep.) - pulses / gingelly (Oct.-Jan.) 
 
          - Ashwagandha (June – Jan.) (June-Jan.) - pulses/gingelly  (Feb.-May) 
 
         
        Moderate  drought year 
        
          - Maize (heavy soil) / sunflower / sesame/ varagu (Oct.-Jan.) 
 
         
        Severe  drought year 
        
          - Pearl  millet / horsegram /sunflower / minor millets / pulses (Oct.- Jan.) 
 
         
        
          - Perennial crop - 12% of cultivable area Mango, sapota, jack, casuarina, cashew, Jatropha*, gliricidia,  simarouba 
 
         
        
          - Dairy, sheep and poultry 
 
          - Sericulture 
 
          - Biofuel crops are recommended only with industrial tie-up 
 
          - Medicinal plants are recommended only with buy back  arrangement
 
        |