The root systems of 3 years Caragana korshinskii at different site conditions in the hilly regions of Loess Plateau were studied.The results showed that the lateral roots of Caragana korshinskii mainly grew in the depth of 0~20 cm underground,and under all site conditions there were no lateral roots below 50 cm depth except sunny slope and semi-sunny slope.The total amount of lateral roots sunny slope was the most,and that of shady slope was the least.The vertical distribution of root biomass of Caragana ko...
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