By Scout Nelson
Forage producers in Minnesota are making important decisions as the first alfalfa harvest begins, and grazing season increases. During a University of Minnesota Extension webinar held on June 3, experts Eric Yu, Dr. Beatriz Bizzuti, Troy Salzer, and Tim Gieseke shared valuable insights on forage management and water systems.
Dr. Beatriz Bizzuti highlighted the need to check alfalfa health before harvesting. Healthy fields should have more than 40 stems per square foot or at least five plants per square foot. Farmers should also examine roots by digging plants. Healthy roots appear creamy white, while dark discoloration may show disease or winter damage. These checks help farmers plan better harvesting and management strategies.
Pest problems, especially alfalfa weevils, are increasing in many areas. These pests damage leaves, reducing quality and yield. Early harvesting can control them, but cutting too soon may weaken plants. Farmers must carefully balance pest control with plant growth to protect future yields.
Troy Salzer explained that some pastures have suffered winter damage, lowering productivity. Farmers can plant options like sorghum-sudangrass or late corn for silage to recover losses. He also stressed the importance of rotational grazing. Allowing pastures to rest helps plants recover and improves long-term productivity. Overgrazing can lead to weak roots and increased weeds.
Tim Gieseke discussed precision drainage, a modern method to improve water management. This system adjusts drainage based on soil type and land conditions. It ensures even water distribution, helping crops grow better and improving field conditions.
New tools such as soil sensors and automated controls allow farmers to monitor and adjust water levels easily. These technologies support better decision-making and efficient resource use.
Photo Credit: gettyimages-livingimages
Categories: Minnesota, Crops, Corn, Sorghum, Hay & Forage, Alfalfa