Author Archives: Matthew Gray

About Matthew Gray

Matthew Gray is an undergraduate research assistant at Purdue University.

Using Parboiled Rice Hulls in Propagation Substrates

It is fairly common for substrates used in cutting propagation to be comprised of sphagnum peat moss and perlite or other materials. While there is no doubting the usefulness and effectiveness of peat and perlite as substrate components, some growers are looking for alternatives. Propagation substrates do have particular requirements compared to mixes used for