de Gooijer, C.

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University of Saskatchewan Research Archive

Soils and Crops2017Bourgault Phosphorus TrialsCurtis de Gooijer PAg, CCABourgault AgronomistChallenges1. Important for early season ‘pop-up’ effect2. Low mobility in the soil3. Approximately 80% of Saskatchewan soils are deficient4. Producers are replacing approximately 75% of what they are removingPhosphorus Management❖ Seed Placed1977, Ukrainetz, H.Phosphorus PlacementSt. BrieuxAreas of focus:1. High amount of Seed Placed Phosphorus2. Mid-row Band Phosphorus Uptake3. Triple Shoot Configuration Phosphorus PlacementTrial Design❖ 400’ x 30’❖ Replicated 3 times in randomized blocks❖ 16 PPM P2O5Equipment❖ Bourgault L7550 • Capable of supplying 3 separate air ways• 5 tank meteringEquipment❖ Bourgault 3320 – 30’❖ Bourgault 3720 – 30’❖ Dual knife – 30’Fertilizer❖ Yield Targets• Canola – 60bu/acre▪ 55lbs P2O5 removal❖ Fertilizer - Blend• 120-0-20-40 • Urea, Potash, Tiger 50• MAP (11-52-0) PhosphorusTreatmentsCanola❖ 0 P2O5 Control❖ 55lbs P2O5 Seed Row❖ 55lbs P2O5 Band (MRB or SB)❖ 25lbs P2O5 Seed Row❖ 15lbs P2O5 Seed Row 40lbs P2O5 in Band (MRB or SB)❖ Triple Shoot• Seed placed by itself • 55lbs P2O5 in Band• Fertilizer blend in the MRBsYield LSD 4.1Plants LSD 1.8Confidence 90%0 P2O5 55lb P2O5MRB55lb P2O5Seed Row25llb P2O5Seed Row15lb P2O5 Seed Row40lb P2O5 MRBYield LSD 4.1Plants LSD 1.8Confidence 90%0 P2O555lb P2O5Side Band55lb P2O5Seed Row25llb P2O5Seed Row15lb P2O5 SR40lb P2O5 SBTriple ShootAreas of focus:1. High amount of Seed Placed Phosphorus❖ Achieved highest yield with 55lb P2O5 in seed row but increased time until maturity 2. Mid-row Band Phosphorus Uptake❖ Yield response to Mid-row banded phosphorus3. Triple Shoot Configuration❖ No yield gain but increase in plant countsPhosphorus PlacementThank you!References• Ukraintez H. 1977. Effect of Phosphate Placement on Yields of Different Crops in West-Central Saskatchewan. Presented at Soils and Crops 1977.

Bourgault phosphorus trials

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Bourgault phosphorus trials

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