Mammoth Red Clover is a “single cut” clover. Mammoth can be planted almost any time of the year, sow in spring, summer or fall, alone or with grain/grass. Will grow in more acid soil (pH 5.0-6.0) than other clovers if lime is applied at seeding time. This biennial legume is an excellent fast-growing cover crop that will reach a height of 2-3 feet at maturity. It is larger and coarser than Medium Red Clover and is about two weeks later in maturity. Being a large plant with big leaves, it is often used as a green manure crop. Mammoth Red has long tap roots that loosen soils and mine phosphorus and other nutrients from deep. It can also add as much as 200 pounds of nitrogen per acre. Mammoth Red clover can provide enormous amounts of organic matter and volume to your soil. It does, like most clovers, perform poorly in hot weather unless seeded into a crop canopy.
- Can be fall-seeded or spring frost-seeded, 10-12 lbs/A
- When mixed with grains, it can be left for cover or forage after grain harvest
- Works great as a plow down for green manure
- Adapted to a wide range of soil types and conditions
- Up to 150 lbs N and 8000 lbs/A dry matte
Mammoth Red Clover
Mammoth Red Clover is a legume that is widely grown throughout the United States as hay or forage crop. Mammoth Red Clover does better than alfalfa in areas with low soil pH or fertility, and poor soil drainage. Improved red clovers are a fast-starting, highly productive and more persistent than older common types. Mammoth Red Clover is a short-lived perennial that will persist 3 to 4 years. Mammoth Red Clover can be used in haying or grazing systems. In side-by-side trials, Mammoth Red Clover has had higher RFQ’s (more digestibility) than alfalfa in fermented or dried forages and approximately twice the level of bypass protein. Mammoth Red Clover is more drought-tolerant and productive than White Clover and usually not quite as high quality.
Mammoth Red Clover production during the second year is higher than during either the first or third years. The weather influences Mammoth Red Clover growth much more than deeper-rooted alfalfa. If summer rainfall is good, clover may be cut about every 35 to 40 days. Growth should be removed after “freeze-down”. Leaving the growth on a field during fall and winter can kill the stand. Mammoth Red Clover stands that are one year old or older should be cut three or four times in a season. Harvesting in drought conditions will also thin stands. When grazing Mammoth Red Clover, turn livestock in when plants are 6-8″ tall and remove them when 3-4″ of the plants remain. Given plants do not self-pollinate, insects play a critical role – bumble bees are particularly effective.
Mammoth Red Clover can be sown by itself or in mixtures with small grains, alfalfa, and cool season grasses. Planting depth should be 0.25 to 0.50 inches. Mammoth Red Clover can also be established by frost seeding (broadcasting on frozen or snow-covered ground), allowing the freezing and thawing work the seed into the soil. Mammoth Red Clover requires soil pH to be 6.0 or higher. Mammoth Red Clover is responsive to phosphorus and potassium, apply to soil testing recommendations. For best results, do not expose to sunlight and plat within 12 hours of inoculating.
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