Oats are well tolerant of wet soils as compared to other grains such as barley and also require more consistent soil moisture than a number of other small grains.
Oats tolerate a soil pH balance as low as 4.5 and are considered to be a crop that adapts well to a wide variety of soil conditions. With adequate levels of fertility and proper drainage, oat has a tolerance for a wide pH range as compared to barley or wheat. Oak also has low lime requirement in the soil.
Oat adapts well to different soil types and can be grown successfully on loam to heavy soils. Oat has a greater tolerance for fine soil as compared to barley or wheat.
Phosphorus and Potassium
Phosphorus and potassium are especially important nutrients in the production of oats. The best way to determine the right quantity of these nutrients is to do a soil test since phosphorus and potassium requirements are different in every field.
Oats are known to grow very well on soil that has undergone cultivation in the past year. In areas where cultivation has not occurred earlier, it is a good idea to use sod. When using sod, it is beneficial to give the field early fall plowing since this allows the humus to decompose. Decayed humus is advantageous in increasing the water-holding capacity of the soil. Growing cultivated crops on weedy fields prior to oat planting helps to get rid of the weeds.