When averaged over nutrient solution pH level and alu- minium concentration, the LA and SPAD values were significantly higher by 10.0% and 4.6%, respectively in zucchini plants supplied with AM inoculum (avg. 3.3 m2 plant−1 and 50.0, respectively)
in comparison to the noninoculated plants (avg. 3.0 m2 plant−1
and 47.8, respectively).