Mathematical models have been widely employed for the simulation of growth dynamics of annual crops, thereby performing ......

The fiber morphology and pulping properties of triploid of populus tomentosa from plantation at different ages were inve......

利用１２年生日本落叶松优树自由授粉家系的生长资料，分析优树家系的增产效果，研究了不同年龄的家系方差分量、遗传力的变化、不同年龄间......