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Nutrition, Forage & Grazing

Pasture Management Basics

Pasture is the cheapest feed most ranches will ever have, and also the easiest to waste. Good management comes down to a few habits: know what is growing, do not graze it too short, give it time to recover and keep notes.

Key points

  • Know your plants and keep a pasture map with notes.
  • Avoid grazing too short and allow time to recover.
  • Match animal numbers to forage and plan for drought.
  • Test soil before spending on lime or fertilizer.
  • Keep records and ask extension or NRCS for local targets.

Know what you have

Walk each pasture with a plant guide or your extension agent and write down the main grasses, legumes and weeds. Note bare ground, erosion, wet spots and shaded areas. Different plants grow in different seasons, handle grazing differently and feed cattle differently, so a pasture map with notes is the foundation for every other decision.

Take photographs from the same spots each year. Changes are hard to see from memory but obvious in a side-by-side comparison.

Add a note about each pasture's past: hayed, grazed hard, fertilized, overseeded or left idle. History explains a lot about what you see now and keeps you from repeating old mistakes.

Grazing height and recovery

Grass grows from leaf area. When cattle graze plants too short, the plant has less leaf to capture sunlight, roots can shrink and regrowth slows. When cattle are moved before the plant is grazed too low and allowed to rest, the pasture recovers faster and stays thicker.

Ask your extension office for the target start and stop heights for the species you have. The right numbers differ by plant, region and season, so use local guidance instead of a generic rule.

Balancing animals and forage

Overstocking is the leading cause of pasture decline. More cattle than the pasture can feed forces overgrazing, bare ground, weeds and extra hay costs. Understocking wastes forage and lets some plants go rank, but it is usually the smaller problem.

Match animal numbers to forage supply through the year, and plan how you will reduce numbers or feed hay if drought hits. Selling or moving cattle early is often cheaper than letting the pasture collapse.

Cow size and milk level matter here. Larger, heavier-milking cows need more feed from the same ground, so a herd that has crept up in size may be stocked too heavily without a single extra head being added.

Fertility and soil

Grass needs nutrients and the right soil conditions to grow. A soil test tells you what is short and whether lime or fertilizer would help. Cattle also return nutrients through manure, though they spread it unevenly, with piles near water, shade and feeders.

Do not apply fertilizer or herbicide without checking the label and local guidance. Some products have grazing or haying restrictions, and runoff near water is a legal and environmental concern.

Weeds, brush and legumes

Weeds usually move into thin, overgrazed pasture. The best control is a thick stand of healthy grass, supported by timely mowing, grazing management and, when needed, labeled herbicides applied by the directions. Some weeds are poisonous to cattle, so learn the ones in your region.

Legumes such as clover can add nitrogen and feed quality. Some legumes can cause bloat, so ask your extension agent and veterinarian about managing risk, and do not give bloat treatment advice yourself.

Water, shade and layout

Cattle graze more evenly when water, shade and minerals are spread out. A single water point pulls cattle into a heavy-use zone and leaves distant areas ungrazed. Cross-fencing, extra tanks and well-placed lanes help spread grazing pressure and protect streams and ponds.

Shade and windbreaks matter for cattle comfort and also decide where manure lands. Spread them across the pasture where you can, and consider moving mineral and feeders from time to time so nutrients do not pile up in one corner.

Records, common mistakes and who to ask

Keep simple records of dates in and out, number of animals, rainfall, grass height and any inputs. Common mistakes include grazing too early in spring, skipping soil tests, ignoring weeds until they take over and keeping cattle on the same ground without rest.

Your extension agent, NRCS office and conservation district can help with plans and technical advice. Program terms change, so ask them directly, and talk to your lender about costs; this is education, not financial advice.

When to get help: Ask your county extension agent or NRCS office for local grazing height targets, soil testing and plan help. Call your veterinarian if cattle bloat or show signs of plant poisoning.

Sources and further reading

Organization homepages are linked so you can search them for current guidance on this topic.

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