primary factor of production

基本解释

Moisture is the primary limitation factor for production of dry farming.
旱地农业生产的首要限制因子是水分。
However, because of the frequent raining and poor permeability of the soil in southern areas, the Root Rot of alfalfa is serious, becoming a primary factor of production decrease.
但是南方雨水多，土壤通透性不好，根腐病危害十分严重。根腐病已成为影响苜蓿产量下降和植株衰败的一个极其重要的原因。
In the era of knowledge economy, as the primary production factor and resource in the development of company human capital deserves to have legal recognition and protection.
在知识经济时代，人力资本作为公司发展的第一生产要素和首要资源理应得到法律的确认和保护。