种群密度
population density
densities of population
The densities of plant community
population dendity
Population
population dynamics
population densitanhuy
Density of Alfalfa
Density
Distribution
种群密度调查
species and density investigation
播种密度
plant density
Seed density
planting density
Seeding density
Seeding densities
sowing density
Sown pusture sowing density
seedling density
sowing quantity
Density
Quality trait
单种种群
single-species population
接种密度
Inoculation density
inoculated density
initial population density
inoculum density
plating density
纬度种群
population in different habitats
主要树种种群
major tree species population