Earthworms facilitated pepper (Capsicum annuum L.) growth via enhancing the population and function of arbuscular mycorrhizal fungi in a low-density polyethylene-contaminated soil

Chemical and Biological Technologies in Agriculture

Table 4 Pearson’s correlation coefficients (R values) between plant, arbuscular mycorrhizal (AM) fungal and soil parameters in the sterilized soil

	Root biomass	Shoot biomass	Fruit yield	Plant P acquisition	P translocation efficiency	Mycorrhizal colonization	AM fungal abundance
Mycorrhizal colonization	0.649**	0.706**	0.766**	0.513*	0.879**
AM fungal abundance	0.610*	0.671**	0.731**	0.490	0.805**	0.965**
Soil pH	-0.237	-0.301	-0.429	-0.198	-0.530*	-0.462	-0.430
Soil organic C	0.242	0.312	0.339	0.065	0.385	-0.652**	0.630**
Soil available P	0.071	0.185	0.122	-0.059	0.307	0.399	0.392
Soil ALP activity	0.577*	0.564*	0.635**	0.409	0.701**	0.812**	0.879**