supported by National Natural Science Foundation of China (No 30872068);the Science and Technology Key Scientific Project of Heilongjiang Province (GA06B302-3);Fund of Thesis for Post Graduated Student of NEFU(GRAM09)
A study was conducted to determine the characters of soil structure in different water and soil conservation forests in Keshan County,northwest of Heilongjiang Province,China.The soil bulk density,the ratio of non-cap...