Question

Explain with the help of modified hotelling rule how the present value of rents can be maximised in the case of extraction with stock effect' for an environmental good.

Answer 1

A fully expanded hydrogel, Agrosoke, was used to replace 5% (1 ×) or 10% (2 ×) of the volume of a potting medium to determine its effect on plant growth and water use. Leachates from hydrogel-amended media had higher electrical conductivity indicating that more nutrients and other salts were held by these media.