atmosphere ( Bunt, 1988 ). Various materials are used to provide, at least in part, for air-filled pore space in substrates, with one of the most common being perlite ( Boertje and Arnold Bik, 1975 ; Bunt, 1988 ). Perlite is an inorganic, expanded
Michael R. Evans and Mary M. Gachukia
Hanna Y. Hanna
Perlite is an excellent growing medium for many horticultural crops, including greenhouse tomatoes ( Szmidt et al., 1988 ). The initial rock found in nature is crushed to small pieces and heated to 1000 °C to evaporate the inside moisture and expand
Michael R. Evans and Mary M. Gachukia
environment and the outside atmosphere. Various materials have been used to provide for air-filled pore space in substrates, with one of the most common being perlite ( Bunt, 1988 ). Perlite is an inorganic expanded aluminosilicate of volcanic origin ( Nelson
Michael R. Evans and Leisha Vance
fiber before use in blending of the final root substrates. The 60 peat : 40 feather fiber composite was blended with additional sphagnum peat and composted pine bark (≈1 cm in diameter) or horticultural grade perlite to produce substrates that contained
W. Garrett Owen, Brian E. Jackson, Brian E. Whipker and William C. Fonteno
The production of container-grown plants requires substrates that provide adequate chemical and physical properties. Traditional substrate mixes are formulated on a volume basis of peatmoss, vermiculite, perlite, and/or pine bark [PB ( Nelson, 2012
Richard V. Tyson, Eric H. Simonne, Danielle D. Treadwell, James M. White and Amarat Simonne
, significantly reducing wasteful effluent discharges to the environment. However, with all its promise, limited information is available on nitrification rate in a perlite biofilter/root growth medium or on the interaction and competition between plant roots and
Jeb S. Fields, William C. Fonteno, Brian E. Jackson, Joshua L. Heitman and James S. Owen Jr.
PTSs and to compare them with traditional components of perlite and peat. The second objective was to determine MRCs for mixtures of peat and either perlite, SPW, or PWCs. Identifying similarities and differences in hydraulic properties between the two
Paraskevi A. Londra
floriculture perlite ( Londra, 2001 ). The peat was Lithuanian sphagnum peatmoss. The coir was in compressed form with dimensions 20 × 10 × 5 cm and was a byproduct of coconut husk fiber treatment. The peat-based substrate mixtures were created with (on a
Huan Xiong, He Sun, Feng Zou, Xiaoming Fan, Genhua Niu and Deyi Yuan
half-strength MS medium containing 3.5% perlite, 0.65% agar, and 3% sucrose, supplemented with IBA (0.1, 0.5, or 1.5 mg·L −1 ) or NAA (0.1, 0.5, or 1.5 mg·L −1 ) ( Table 4 ). After 4 weeks in culture for root development, the surviving shoots were
Mary M. Gachukia and Michael R. Evans
environment and the outside atmosphere. Various materials have been used to provide for air-filled pore space in substrates, with one of the most common being perlite ( Bunt, 1988 ). Perlite is an inorganic expanded aluminosilicate of volcanic origin ( Nelson