Root Growth of the Annual Tillering Grass Panicum miliaceum in Heterogeneous Nutrient Environments (in English) Temporal variation and spatial distribution of the root system of corn in a soil profile Distribution of Fine Roots in a Mixed Cunninghamia lanceolata-Tsoongiodendron odorum Plantation Effects of plant root on nutritious elements transport in soil profiles of the Chinese Loess Plateau Study on Root Distribution of Four Species of Shrub in Artificial Shrub and Grass Mixture Communities A comparative study of the spatial-temporal patterns of fine roots between young and mature Caragana korshinskii plantations Distribution characteristics of effective root density in the planted Robinia pseudoacacia and Platycladus orientalis forest site