A plant�s growth rate, high and yield are determined mostly by its genetic material. No matter how well the plant�s needs are met, it can only grow up to its potential.
The environmental factors affecting plant growth are light, root conditions, water, nutrients, temperature and air (CO2 and O2). A plant can grow only as fast as the weakest link on the chain permits. For instance, when a plant which receives all of the light, water, and CO2 it can use, without adequate nutrients, its growth is thwarted.
