And as population grows, livestock production intensifies, which has its own set of risk factors.

随人口的增加，牲畜产量也在增加，而其有内在的风险因素。

Sensitive to changes in weather conditions, altitude and temperature, coffee production has dropped significantly in the recent years.

因受气候变化、海拔和气温等因素的影响，咖啡的产量近些来急剧下降。

If limited supply is the main driver, the adjustment will depend on how quickly companies can boost production.

如果限制供应是主要驱动因素，那么对此进行调，取决于企业提高产量的速度。

A big driver has been increases in crop yields.

一个重要的推动因素是农作物产量的增加。

The crops can also be affected by climate, disease and even political turmoil in the countries where the plants are grown, which further limits commercial production.

而种植罂粟受到气候、疾病，甚至政治动乱的影响，些因素都会进一步限制其工业产量。