By Andi Anderson
The condition of pastures and hayfields in spring is strongly influenced by weather patterns and management practices from the previous year. After multiple dry summers, many forage fields enter spring thinner than normal, requiring careful evaluation and timely management to maintain productivity.
The first step is assessing plant density. In newly planted pastures, a healthy stand usually contains about 20 to 25 seedlings per square foot. For older fields, especially those with mixed forages, estimating ground cover is more practical than counting individual plants. Productive pastures should have at least 80 percent soil coverage. Fields with large bare areas signal reduced forage potential and higher risk of erosion and weeds.
Grazing management must be adjusted for thin stands. Because less forage is available, stocking rates may need to be reduced. Supplementing with hay or other feed sources helps prevent overgrazing, which can further weaken plants and delay recovery.
Overseeding is a useful option when pastures appear thin. If more than half the soil surface is visible, adding seed can improve plant density. No till drills provide better seed to soil contact, while broadcast seeding can also be effective if higher seeding rates are used. Cool season grasses and legumes should be planted early in spring to ensure strong seedling survival before summer heat arrives.
Soil fertility plays a key role in forage growth. However, applying potassium too early in spring can increase the risk of grass tetany in livestock. For this reason, potassium applications are generally delayed until early summer unless soil tests show very low levels that require careful split applications.
Thin stands are also more vulnerable to weeds. Herbicide use requires caution, as many products have restrictions on grazing, hay harvest, and animal marketing. Some herbicides can leave residues in forage or manure that may harm sensitive crops later. Always consult weed control guides and product labels before application.
By carefully evaluating stands, adjusting grazing, improving fertility management, and using herbicides responsibly, farmers can strengthen thin pastures and hayfields. These practices support forage recovery, protect livestock health, and help ensure long term field productivity.
Some recommendation to ponder-
Assess pasture density early in spring
Check plant density and ground cover to identify thin areas. Productive pastures should have about 20–25 seedlings per square foot in new stands or at least 80% soil coverage in established fields.
Adjust grazing to prevent overuse
Reduce stocking rates on thin pastures and provide supplemental feed such as hay to avoid overgrazing and allow plants time to recover.
Use overseeding to improve thin areas
When more than 50% of soil is bare, overseed pastures using no‑till drills for better seed contact or increase seeding rates if broadcasting. Plant cool-season species early in spring.
Photo Credit: soybeans-for-forage
Categories: Ohio, Crops, Hay & Forage