Oats

Oats

In the United States, approximately 2.56 million acres of oats are planted yearly. These harvested acres are then used for human consumption and animal feed. Oats are primarily grown in cool northern states such as Minnesota, North Dakota, South Dakota, and Wisconsin. For optimal grain yields oats need a good supply of micro and macro nutrients to produce high yields. Because of its cooler climates, Canada is also home to over 2.53 million acres of oats.

Deficiency symptoms appear in the early growth stages and can be identified by pale green leaf color and short thin stems. Later deficiency symptoms are plant stunting with fewer tillers and smaller heads.

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Oats deficient in phosphorus will result in inadequate root development and poor seed establishment. In severe cases, plants will turn red or purple and terminate.

Deficiency symptoms first appear in older leaves since potassium is mobile in the plant. Leaves will turn light green with brown and yellow spots that appear first in the midsection spreading to the outer edges of the leaf.

Oates deficient in sulfur will have plant leaves with a pale green color that will turn to pale yellow covering the whole leaf. In severe cases stems will turn red with yellow leaves.

Plants will appear to be limp and weak with grey/brown streaks on the younger leaves. Cool dry weather can cause deficiencies to worsen.

Oates deficient in zinc become stunted and leaves turn light green with yellow tips. Brown spots can appear on affected leaves that can spread to the entire leaf leading to the leaf dying.

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Nutrient Deficiencies