essential plants meaning in English

芳香植物

There is still great interest in boron as an essential plant nutrient .
迄今硼作为植物的必要营养元素仍极其重要。
Among the technologies recommended for these soils are : lime associated with gypsum for a deeper root system , p - fertilization with thermophosphate and the use of sugar mill by - products like vinasse , filter cake and bagasse , as source of organic matter and some essential plant nutrients
这些土壤上推荐使用的技术措施有：石灰与石膏同时施用以加深根系，热法磷酸盐作磷肥，并使用酒糟、滤饼和蔗渣等糖厂副产品作为有机质和必需养分来源。