EFFECT OF RED YELLOW SOIL ACIDIFEICATION ON SEED GERMINATION OF CHINESE PINE
赤黄壤酸化后对油松种子萌发的影响

After acid treatment,the chemical and physical properties of red yellow soil significantly changed.The pH decreased,and numerous Al ions,which are harmful to plant growth,were leached.The structure of soil aggregates was damaged,followed by an increase of soil stickiness and water maintainability,and a decrease of air penetrability.The germination of Chinese Pine ( Pinus tabulacformic Carr).seeds decreased after sowed in red yellow soil acidified by H 2SO 4 solution.The direct cause w...