Complex sentence: There are three main components of the environment that affect the effectiveness, speed, and ability of "Phytopthora fragariae" to infect: soil moisture, temperature, and pH. "P. fragariae" occurs frequently in wet, cool soils.
Split into simpler sentences: There are three main components of the environment affect the effectiveness, speed and abilty of "Phytopthora fragariae" to infect. They are soil moisture, temperature and pH. "P. fragariae" occurs frequently in wet, cool soils.