Current Crop Topics

The latest information on crop management and agronomy issues in field and horticultural crops in Manitoba, including information in regards to environmental impacts and the agronomy tools to manage. 

Spring 2022

• Delayed Seeding and Wet Soils
• Fertilizer Considerations in a Wet Spring - Challenges and Opportunities
• Impact of Spring Flooding on Soil Fertility in Manitoba
• Profitable Nitrogen Rates for Corn
• Crop Rotation Planning
• Early Seeding Considerations
• Growing Flax
• Growing Oilseed Sunflowers
• Soil Nitrate Concerns for Pulse and Soybean Crops
• Staging Corn
• Stretching Fertilizer Dollars and Supplies
• Weed Control in Conventional Sunflowers

Eastern Manitoba Agronomy Update - Presentations Feb 2022

• Cereal Update
• Disease Update
• Fertilizer Use with High Prices and Tight Supplies
• Insect Update
• Oilseed Update
• Soybean and Pea Update

Summer 2021

• Flax Straw Management 
• Lawn Grasses Drought Strategy
•  Soybean Cyst Nematode Manitoba Distribution Map - July 2021
•  Raspberry Drought and Heat Stress Symptoms
•  Renovation of Strawberries after Harvest: Considerations in Extreme Hot Weather
•  Spotted Wing Drosophila Update July 20, 2021
•  Spotted Wing Drosophila Update July 6, 2021
  

Spring 2021

• Effect of Dry Conditions on Cereal Yields and Response to Nitrogen
• Fertilizer Nitrogen Applications in Hot, Dry Weather Conditions
• Herbicide Spraying in Hot, Dry Conditions
• Development of Wheat and Corn under Hot and Dry Conditions
• Strawberry Plants and Extreme Heat Stress
• Spring Frost Damage
• Effect of Frost on Saskatoons and Strawberries 
• Considerations for Planting into Dry Seedbeds 
• How Do Dry Conditions Affect Crop Development?
• Nitrogen Rates for Wheat in a Dry Spring
• Planting Corn in an Early Cool Spring 
• Reward Versus Risk: Seeding Early in Manitoba
• Rolling Field Peas on a Dry Year
• Safe Seed-Placed Fertilizer Rates for Canola in a Dry Spring
• Seed Treatment Options in a Dry Spring 
• Volatization of Surface Applied Urea/UAN
• Weed Control Advice for Dry Conditions
• Herbicide Carryover Risk for 2021
• How are warm and dry conditions affecting wheat and corn development?
  

September 2020

• Warm Soil Temperatures Increase the Need for Inhibited Nitrogen Products
• Fall Fertilization Options for Winter Wheat and Fall Rye (PDF 534KB)
• What is the Fertility Value of that Straw? (PDF 19KB
• Too Soon to Soil Sample (PDF 19KB)
• What About N Credits From Peas? (PDF 16KB)
• Yellowing of Lower Corn Leaves (PDF 461KB)

August 2020

• Water Parsnip or Water Hemlock - Pictures to Help Diagnose (PDF 555 KB)

June 2020

• Nitrogen Split Application in Grain Corn Timing for In-Crop Application (PDF 678 KB)
• Nitrogen Split Application in Wheat for Yield and Protein (PDF 267 KB)
• Conventional Sunflower Weed Control Options (PDF 480 KB)
• Optimum Cereal Plant Stands (PDF 439 KB)

May 2020

• Yield and Late Planting of Spring Cereals (PDF 615 KB)
• Fluency Agent Mandatory Seed Lubricant in Corn and Soybean (PDF 200 KB)
• Corn - Planting into Cool Soils? What are the Risks? (PDF 496KB)
• Manitoba Berry Farm COVID-19 Guidelines for Customers, Employees and Growers
• Assessing Crop Stands When Fertilizer Applied at Seeding  (PDF 706 KB)

April 2020

• Seeding Rates for Spring Cereals - 2020 update (PDF 578 KB)
• Spring Nitrogen Options for 2020 (PDF 265 KB)
• Hybrid Rye Fertilization Rates (PDF 322 KB) 
• Assessing Winter Wheat Stands for Survival (PDF 530KB)
• Seeding in Less Than Optimal Conditions (PDF 420KB)
• Fertilizer Application Considerations after an Unusually Wet Fall: Challenges & Opportunities 
• Losing the Weed Battle Could Mean Losing the Farm! (PDF 5MB) - Ag Days 2020 slides
• A Step Back for New Problems: Tools for Resistant Weeds (PDF 7MB) - Ag Days 2020 slides
• Grasshoppers, cutworms and flea beetles: Forecasting for 2020, monitoring and management strategies
• 2020 View of Fertilizer Guidelines for Manitoba (PDF 2 MB)
• Fertility Values of Unharvested 2019 Crops (PDF 523 KB)

Crop Management and Production Economics:

• Crop Production Costs  (XLS 1.24 MB or PDF 3.39 MB) 
• CROPPLAN Production Cost, Marketing and Management Calculator (XLS 1.75 MB)
• Special Crops Production Costs (XLS 515 KB or  PDF 2.40 MB)
• Organic Crop Production Costs (XLS 468 KB or PDF 3.57 MB)
• Seed Manitoba - digital edition
• Nitrogen Rate Calculator for Wheat, Barley and Canola (XLS 402 KB) 
• Phosphorus Balance Calculator (XLS 15KB)
• FertPlan Fertilizer Cost and Requirement Calculator (XLS 114 KB)
• Crop Reseeding Decision Tool (XLS 160 KB or Mobile Friendly Version - Manitoba Agriculture Diversification Centre)
• Guide to Field Crop Protection (available as full edition or by pest control section)
• Farm Machinery Custom and Rental Rate Guide (PDF 876.6 KB)

Weekly Reports on Crops and Pests and Growing Season Information

• Manitoba Crop Report information
• Manitoba Crop Weather Report Information
• Crop Weather Conditions and Reports, including seasonal summaries to date for Manitoba
• Manitoba Crop Pest Updates
• Crop Talk - webinar series

Disease Risk Maps and Economic Calculators:

• Daily Fusarium Head Blight Risk Maps
• Sclerotinia Treatment Decision Tool - Canola (XLSX 50.6 KB) 
• Sclerotinia Treatment Decision Tool - Sunflowers (XLSX 50 KB)

General Agronomy Articles for Current Crop Conditions 

October 2019

• Nitrogen Fertilization Considerations in Unusually Wet Fall: Challenges and Opportunities
• Fall 2019 Fertilizer Spreading Deadlines 

September 2019

• Soybean Cyst Nematode Notification (PDF 166 KB)
• Soybean Cyst Nematode Manitoba Distribution Map (PDF 1058 KB)
• Clubroot Pathotype 3A Notification (PDF 230 KB)

 July 2019  

• Check Your Soybean Nodulation and Nitrogen Rescue if Necessary  (PDF 700 KB).

August 2019

• Interpreting a Clubroot Soil Test Result (PDF 46 KB)
• Clubroot Soil Sampling on the Prairies (PDF 254 KB)
• 2019 Waterhemp Distribution in Manitoba (PDF 1191 KB)
• Tall Waterhemp Notification - August 1, 2019 (PDF 812 KB)

June 2019

• Assessing Late Spring Frost Crop Damage (PDF 650 KB) includes June 12, 2019 map of areas affected
• Weed Control Advice for Dry Conditions (PDF 116 KB)

May 2019

• Effect of Spring Frost on Emerging Crops (PDF 709 KB)
• Volatilization Risks from Surface Applied Urea (PDF 205 KB)
• Injury Symptoms from Seed-Placed Fertilizer (PDF 960 KB)
• Safe Seed-Placed Fertilizer Rates for Canola in a Dry Spring (PDF 480 KB)
• Pre-Plant Banded Nitrogen Rates for Corn - Too Hot too Handle (PDF 300 KB)
• Impact of In-Season Sprayer Tracks on Corn Yields (PDF 600 KB)