ontario sugar beet growers - Atrium - University of Guelph

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Fig. 22. Soil moisture profile in field that was imgated on June 29, 2005. Mailloux C-probe Site Irrigated / z m -20cm 4 0 c m x Uncovared higation I Irrigation event, June 29 Fig. 23. Benefits of a single irrigation in seed corn, 2005, Tilbury Yield Bushels/acre
CONCLUSION: The capacitance probe, C-probe monitored the soil moisture profile at three soil depths of 10,20 and 40cm. Curves showing a decline in soil moisture with a diurnal fluctuation (an up and down waviness showing a day and night plant utilization of the water indicates root activity throughout the season. Roots were very active in the 10 and 20 cm depths however very little root growth was observed at the lower 40cm depth. The single irrigation event on June 29 increased the soil moisture profile, Fig. 22, in the top 10 and 20cm but did not penetrate further into the soil. That single addition of water increased the yield by 7%. The plant remained under significant stress noted by its rapid water uptake after the irrigation event and it appears could have benefited with one or even a third irrigation event for further increases in seed corn yields. The graphs provided by the C-probes could be readily used by growers to assist in making wise water management decisions. ACKNOWLEDGMENT I wish to acknowledge those seed corn companies who provided the seed and partial funding support for this project. Their interest and contributions are appreciated and critical to the research enclosed. They include Hyland, Pride, Syngenta and Pioneer. This project would not have been initiated without the support of the growers through their Seed Corn Growers of Ontario association. I hope the information provided serves the industries needs. The research was supported by the Canada-Ontario Research and Development Program (CORD) as administered by the Agricultural Adaptation Council. Funding was provided by the Agriculture and Agri-Food Canada and the Ontario Ministry of Agriculture, Food and Rural Affairs under the Canada-Ontario Research and Development Program. @ Ontario 1 + 1 Agriculture and Agriculture et Agd-Food Canada Agroallmentaire Canada Administered by: & Agricultural Adaptation Council Ontario Ministry of Agriculture and Food
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Submitted to the ONTARIO SUGAR BEET
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SPECIAL ACKNOWLDEGMENTS I wish to p
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REPORTS IRRIGATION STRATEGIES FOR S
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Research Results and Milestone Stat
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applications, severely costing the
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Table 1. Foliar disease control rat
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CROP: Sugar beet (Beta vulgaris L.)
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Table la. Cercospora Foliar disease
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BeetCast Evaluation for the Control
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CROP: PEST: Sugar beet (Beta vulgar
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CONTROL OF RHlZOCTONlA CROWN ROT IN
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Table 1. Effect of fungicides appli
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Table 1. Foliar insect damage ratin
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effective in combating the crown ro
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Table 1. Field assessments of sugar
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Table 1. Common leaf rust ratings i
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IRRIGATION STRATEGIES FOR SUGAR BEE
Page 41 and 42: Fig. 1. Irrigation test sites, Mich
Page 43: Fig. 5. Commercial Pivot Irrigation
Page 50 and 51: Irr 1-7: dates where grower applied
Page 52 and 53: Fig. 8b. Location A Pivot Irrigatio
Page 54 and 55: COMMENTS: Location A CONTROL lOcm T
Page 56 and 57: Fig. 9a Location B Control 10cm Dep
Page 58 and 59: 1Ocm Depth Hand lrrigated (Reif) -
Page 60 and 61: SUGAR BEET MELD AND SUGAR CONTENT O
Page 62 and 63: COMMENTS The reference ETo at each
Page 64 and 65: graphs indicated that too much wate
Page 66 and 67: 1. PRODUCTION BENEFITS OF IRRIGATIO
Page 68 and 69: of 10 (Fig. 6). Plant growth charac
Page 70 and 71: Table 1: Seed corn irrigation analy
Page 72 and 73: Fig. 8. Irrigation plot layout show
Page 74 and 75: Cob Length Irrigation significantly
Page 76 and 77: Seed Corn Yields Irrigation signifi
Page 78 and 79: BENEFITS OF IRRIGATING SEED CORN IN
Page 80 and 81: C-probe Scaled Frequency Unit V I +
Page 82 and 83: CONCLUSIONS: The initial intent was
Page 84 and 85: Fig. >rip tape along side of seed c
Page 86 and 87: Table 8b: Drip Irrigation - Seed co
Page 88 and 89: Fig. 18. Drip Irrigation - Non-irri
Page 90 and 91: Fig. 20. Rainfall accumulations in
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ontario sugar beet growers - Atrium - University of Guelph

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