施锌肥可提高芹菜产量和质量据张泽彦等研究表明，芹菜营养生长需锌较多，在土壤有效锌含量达３．６毫克／公斤，栽培芹菜施锌还能增产，施后株高明显增加，施基肥、追肥的比不施的，分别增高３．５和２．３厘米。基施亩用硫酸锌４公斤为宜，且施于０～１５厘米土层内效果... Zinc fertilizer can improve the yield and quality of celery According to Zhang Zeyan and other studies have shown that celery vegetative growth needs more zinc in the soil available zinc content of 3.6 mg / kg, celery cultivation of zinc can increase yield, post-application plant height increased significantly , Basal fertilizer, top dressing than not, respectively, increased by 3.5 and 2.3 cm. Basis mu with zinc sulfate 4 kg is appropriate, and applied to 0 ~ 15 cm soil effect ...