1, dry land refers to the lack of organic matter on the soil surface, which is hardened and cracked due to cohesion after drying. At this time, the soil lacks nutrients, and water is extremely unsuitable for the growth of flowers, seedlings and crops. The wetting peak of hardened soil is basically spherical. When drip irrigation is carried out in hardened soil, water flows far to the side and near to the ground.
2. The absorption capacity of hardened soil is weak, and the ability to store nutrients and water is also weak. Dry and cracked land will hinder the absorption and respiration of crop roots, and lack of adequate nutrition will cause element deficiency.