The present study was conducted on mango transplants during 2016 & 2017 seasons to
investigate the influence of some bio substances as addition nutritive fertilizers i.e. VAM, EM, Blue
green algae and Diatom algae extracts. The influence was evaluated through the response of some
vegetative growth of "mango transplants.
The specific effect of mango cultivars on some vegetative growth, data revealed that, Kent
mango cultivar was better than the other investigated cultivar (Keitt) in this respect. Also, fertilizer
with soil application of VAM fungi at 4 cm3/ transplant + control or soil application of blue green
algea extract at 1g/ transplant + control was superior in this respect where it was able to increase
significantly vegetative growth as compared with the other different investigated fertilization
especially NPK only (control) during both seasons of study. Concerning the interaction effect of the
two investigated factors i.e., mango cultivars and different fertilization on some vegetative growth
measurements of mango transplants, data show the highest vegetative growth were obtained with the
combination between Kent mango cultivar and fertilized with soil application of VAM fungi at 4 cm3/
transplant + control or soil application of blue green algea extract at 1g/ transplant + control.