There is a direct correlation between coffee density and the altitude that the coffee plant is growing at, with a higher altitude equaling a higher density.
海拔高度与咖啡密度也有直接的关系，海拔越高就意味著密度越高。
2
There is a direct correlation between coffee density and the altitude that the coffee plant is growing at, with a higher altitude equaling a higher density.
海拔高度与咖啡密度也有直接的关系，海拔越高就意味着密度越高。
3
The variations of grain filling period, 1000 kernel weight, plant height and ear height with latitude and altitude were studied using 6 medium maturing maize varieties grown in Southwest China.