Citation | Yaseen, T., S. Ahmad, K.U. Rehman, F. Asad, A. Waheed, R. Gul, H. Gulab and N. Akhtar. 2020. Arbuscular mycorrhizal fungal spore density and root colonization in weeds of carrot field at Charsadda, Pakistan. Pakistan Journal of Agricultural Research, 33(4): 841-848. DOI | http://dx.doi.org/10.17582/journal.pjar/2020/33.4.841.848