When combined engineering and agronomic methods to improve the salt land in Binhai area which totalsaltcontent was over 3%, the width of experimental field play roles for the improvement effect.
采取工程措施与农艺措施相结合的方法,对全盐含量3%以上的滨海盐土进行改良。
2
Saline soil with saltcontent greater than 0.3% is widely distributed and accounts for 77.7% of the total irrigated area.
灌区盐碱土以全盐量大于0.3%的中度以上盐碱土分布较广,占灌区面积的77.7%。
3
Sometime the matrix potential of soil water, moisture capacity and the totalcontent of salt capacity in the soil have the same trends of change with depth.