龟裂碱土,宁夏群众俗称为白僵土,是银川平原一种具有不良理化性质的土壤,虽经多年改良利用,小部分已被垦殖为农田,但龟裂碱土荒地,目前仍大 Cracked alkaline soil, commonly known as the Ningxia mass white soil, is a poor physical and chemical properties of the Yinchuan Plain soil, although after years of improvement and utilization, a small part of the land has been reclaimed for farming, but the cracked alkaline earth wasteland, is still large