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0922 - Trial Results of SRI Methods for Maize

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0922 - Trial Results of SRI Methods for Maize

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Author: Debashish Sen
Title: Trial Results of SRI Methods for Maize
Organization: People's Science Institute
Date: 2009

Author: Debashish Sen
Title: Trial Results of SRI Methods for Maize
Organization: People's Science Institute
Date: 2009

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0922 - Trial Results of SRI Methods for Maize

  1. 1. People’s Science InstitutePeople’s Science Institute Dehra Doon, UttarakhandDehra Doon, Uttarakhand Trial Results of SRITrial Results of SRI Methods for MaizeMethods for Maize
  2. 2. SRI : Practices and PrinciplesSRI : Practices and Principles RECOMMENDED PRACTICES PRINCIPLES 1 Transplanting of young seedlings Utilizing early vigour of young seedlings 2 Wider spacing Reducing competition for light and nutrients 3 Single seedling per hill Reducing external inputs in form of seeds, water, etc 4 Alternate wetting and drying with shallow irrigation Keeping soil from becoming anoxic 5 Inter-cultivation with weeder Promoting healthy root growth 6 Addition of organic matter Increasing soil microbial activity and enhancing soil organic matter SRI’s package of practices involving sustainable management of plants, soil,SRI’s package of practices involving sustainable management of plants, soil, water and nutrients resulting in higher production with reduced externalwater and nutrients resulting in higher production with reduced external inputs has been extrapolated to other crops such as Maizeinputs has been extrapolated to other crops such as Maize
  3. 3. Adaptations for MaizeAdaptations for Maize Practice Conventional SCI Maize Young Seedling Direct seed sowing Direct seed sowing in line Spacing Broadcasting P to P : 30-40 cm; R to R : 30-40 cm Single seedling/hill - 1-2 seeds/hill Inter-culture 1+ (manual weeding) 3+ (manual weeding) Organic matter Compost Compost, PAM Particulars Maize (2009) Conven. SCI Avg. no. of cobs/plant 2 3 Average plant height (cm) 142 177 Average no. of corns /cob 230 380 Average No. of corns/plant 460 1140 Grain yield (T/ha) 2.0 3.5 % increase in grain yield - 75
  4. 4. Coverage under SCI Maize and PerformanceCoverage under SCI Maize and Performance Year SCI Maize Grain Yields Total Farmers Area (in Ha) Conventional (T/ha) SCI (T/ha) % Increase 2009 183 10.34 2.0 3.5 75 2010 582 63.61 2.3 4.7 104
  5. 5. Results of Trials on Maize with Different Spacing (cm) Parameters Average Plant Height (cm) Average Grains/Cob Average Cob Length (cm) Grain Yield (T/Ha) 50-50 x 50-50 (T-1) 185 322 25 5.7 40-40 x 40-40 (T-2) 192 356 29 6.5 30-30 x 30-30 (T-3) 187 297 23 5.8 Line sowing ( T-4) 193 255 20 4.8 Farmers’ practice (T-5) 155 191 17 2.3 Note: Line-to-line 30 cm Results of Trials on Maize with Different No. of Seeds Parameters Average Plant Height (cm) Average Grains/Cob Average Cob Length (cm) Grain Yield (T/Ha) One seed (T-1) 227 341 28 6.1 Two seeds (T-2) 188 309 25 5.3 Farmers' practice (T-3) 171 215 20 2.8 Note: Line-to-line 40 cm, Plant-to-plant 40 cm
  6. 6. 653, Indra Nagar653, Indra Nagar Dehra Doon - 248 006Dehra Doon - 248 006 UttarakhandUttarakhand INDIAINDIA WebWeb : www.peoplesscienceinstitute.org: www.peoplesscienceinstitute.org MailMail : psiddoon@gmail.com: psiddoon@gmail.com PhonePhone : +91 135 2763649: +91 135 2763649 FaxFax : +91 135 2763186: +91 135 2763186 Thank YouThank You
  7. 7. 653, Indra Nagar653, Indra Nagar Dehra Doon - 248 006Dehra Doon - 248 006 UttarakhandUttarakhand INDIAINDIA WebWeb : www.peoplesscienceinstitute.org: www.peoplesscienceinstitute.org MailMail : psiddoon@gmail.com: psiddoon@gmail.com PhonePhone : +91 135 2763649: +91 135 2763649 FaxFax : +91 135 2763186: +91 135 2763186 Thank YouThank You

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