Guerrero, M. Mar, Pedro Guirao, M. Carmen Martinez-Lluch, Julio C. Tello, and Alfredo Lacasa. 2014. “Soil Fatigue and Its Specificity towards Pepper Plants in Greenhouses”. Spanish Journal of Agricultural Research 12 (3), 644-52. https://doi.org/10.5424/sjar/2014123-5701.