The effect of combining application of rape seed cake and chemical fertilizer on growth of tobacco(Nicotiana tabacum L.) and nutrient content in soil was studied under soil culture.The weight of tobacco roots applying chemical fertilizer(CF) was obviously greater than that applying rapeseed cake fertilizer(RC) or combining application of chemical fertilizer and rapeseed cake fertilizer(CC) after the lower leaves maturity,but before this stage there was no distinct difference among 3 treatments.The stem dry ...