Soil conditions and plant growth'

  title={Soil conditions and plant growth'},
  author={John B. Passioura},
  journal={Plant, cell & environment},
  volume={25 2},
Plants can respond to soil conditions in ways that can not readily be explained in terms of the ability of the roots to take up water and nutrients. Roots may sense difficult conditions in the soil and thence send inhibitory signals to the shoots which harden the plants against the consequences of a deteriorating or restrictive environment, especially if the plants' water supply is at risk. Generally, this behaviour can be interpreted as feedforward responses to the soil becoming too dry or too… CONTINUE READING