Roman, Krawczyk

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Organic Eprints

Annual meeting of project PRODIVA, CoreOrganic 18th and 19th, March 2015 , Rostock, Germany PRODIVA project: Crop diversification and weeds                         Work package 2:  Crop mixtures for weed suppression   Roman Krawczyk   Institute of Plant Protection - National Research Institute, Poland  Weed Science and Plant Protection Techniques Department   Field experiment: four replication, plots size 11 m x 1,5 m; sowing date: 20.04.2015 Treatments in field (with couch grass): • A: Organic: cultivation complies with the principles organic farming from 8 years 1. pure barley 350 seeds/m2 2. pure pea 110 seeds/m2  3. mixture of barley and pea 175 + 55 seeds/m2 4. only natural weeds 5. pure barley 300 seeds/m2  6. pure barley 250 seeds/m2  • B: Conventional (IPM) cultivation - using herbicides, nitrogen fertilization,  11. pure barley 350  seeds/m2 12. pure pea 110 seeds/m2  13. mixture of barley and pea 175 + 55 seeds/m2 15. pure barley 300 seeds/m2 16. pure barley 250 seeds/m2  Analysis performed regarding to: • dry weight of crops and weeds (above the ground)  • LAI, gNDVI (Green Normalised Vegetation Index) • number of ears/grain and pods/seeds (No/m2) • quantity and quality of yield    Field experiment 3 Organic experimental fields (1 ha)  in Experimental Station in Winna Góra  Organic experimental fields  (1 ha) in Experimental Station in Winna Góra Fot. IWING, 2015 Experimental area 0500100015002000  Spring barley - dry mass Mean Minimum/MaximumDry mass of spring barley (21.07.2015)  No treatments in systems Crop species Seeds rate Organic IPM (No/m2) 1 11    Spring barley 350 2 12    Pea 110 3 13    Spring barley + Pea 175 + 55 4 -    Without crop - only natural weeds - 5 15    Spring barley 300 6 16    Spring barley 250 1 3 5 6 Treatments Dry mass  (g/m2) 0500100015002000  Spring barley - dry mass Mean Minimum/Maximum11 13 15 16 Treatments Dry mass  (g/m2) 0500100015002000  Pea - dry mass  Mean Minimum/Maximum0500100015002000  Pea - dry mass Mean Minimum/MaximumDry mass of pea (21.07.2015)  No treatments in systems Crop species Seeds rate Organic IPM (No/m2) 1 11    Spring barley 350 2 12    Pea 110 3 13    Spring barley + Pea 175 + 55 4 -    Without crop - only natural weeds - 5 15    Spring barley 300 6 16    Spring barley 250 2 3 12 13 Treatments Treatments Dry mass  (g/m2) Dry mass  (g/m2) 0100200300400500600700  Weeds – dry mass  Mean Minimum/Maximum0100200300400500600700  Weeds – dry mass Mean Minimum/MaximumDry mass of weeds (21.07.2015)  No treatments in systems Crop species Seeds rate Organic IPM (No/m2) 1 11    Spring barley 350 2 12    Pea 110 3 13    Spring barley + Pea 175 + 55 4 -    Without crop - only natural weeds - 5 15    Spring barley 300 6 16    Spring barley 250 1 2 3 5 6 11 12 13 15 16 Treatments Treatments Dry mass  (g/m2) 4 Dry mass  (g/m2) Field experiments – soil cover by weeds (%) Seed yield 0123456  Organic system Mean Minimum/Maximum0123456  IPM system Mean Minimum/MaximumNo treatments in systems Crop species Seeds rate Organic IPM (No/m2) 1 11    Spring barley 350 2 12    Pea 110 3 13    Spring barley + Pea 175 + 55 4 -    Without crop - only natural weeds - 5 15    Spring barley 300 6 16    Spring barley 250 1 2 3 5 6 1 2 3 5 6 Treatments Treatments Seed yield (t/ha) Seed yield (t/ha)  Green Normalised Vegetation Index assessment (spring barley, pea)    Photos taken and interpretation by IWING  Green Normalised Vegetation Index assessment (spring barley, pea)   Photos taken and interpretation by IWING  Green Normalised Vegetation Index assessment (spring barley, pea)    Photos taken and interpretation by IWING  Green Normalised Vegetation Index assessment (spring barley, pea)    Photos taken and interpretation by IWING  Green Normalised Vegetation Index assessment (spring barley, pea)   Photos taken and interpretation by IWING  Green Normalised Vegetation Index assessment (spring barley, pea)   Photos taken and interpretation by IWING 19 permissions MOTW up to 50 kg certyfied UAVs service center, certyfied UAVs (Civil Aviation Authority)  PROFESSIONALISM AND SAFETY  UAV SERVICES  20 Pracise sprayer 3,5l / ha THE GREATEST UAV flight time– 1,5 h lifting capacity – 1,2 flight time– 2 h, lifting capacity – 10 kg WE WORK FOR AGRICULTURE ECOLOGY FORESTRY RESEARCH Glasshouse experiment • Series 1 (experiment completed)  • 1. couch grass  • 2. couch grass + pure barley  • 3. couch grass + pure pea • 4. couch grass + mixture of barley and pea 50% / 50% • 5. couch grass + mixture of barley and pea 70% / 30% • 6. couch grass + mixture of barley and pea 30% / 70% • Series 2 (experiment continues)  • 1. couch grass  • 2. couch grass + pure barley  • 3. couch grass + pure peas • 4. couch grass + mixture of barley and pea 50% / 50% • 5. couch grass + mixture of barley and pea 70% / 30% • 6. couch grass + mixture of barley and pea 30% / 70% • 7. pure barley  • 8. pure pea • 9. mixture of barley and pea 50% / 50% • 10. mixture of barley and pea 70% / 30% • 11. mixture of barley and pea 30% / 70%    Glasshouse experiment (six replications) Analyses: • Dry mass of crops and couch grass • Couch grass rhizomes weight and length per unit  • Number and weight of seeds per unit • Number of ears/grain and pods/seeds (No/pot) • Yield quantity     Glasshouse experiment  0100200300400500600700800  Length of rhizomes couch grass  Mean Minimum/Maximum02468101214  Dry mass of rhizomes couch grass  Mean Minimum/Maximum Glasshouse experiment- series 1  1 2 3 5 6 Treatments Treatments Length  (cm/pot) 4 Dry mass  (g/pot) 1. couch grass  2. couch grass / pure barley 3. couch grass / pure pea  4. couch grass mixture: barley and pea 50% / 50% 5. couch grass /mixture: barley and pea 70% / 30% 6. couch grass / mixture: barley and pea 30% / 70% 1 2 3 5 6 4 Thank you for your attention 

WP2 presentation workshop - Rostock 2016

https://orgprints.org/33452/1/PRODIVA_presentation%20WP2%20Poland%202016.pdf

WP2 presentation workshop - Rostock 2016

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Organic Eprints