Growing media and fertilizer use are the two biggest factors greenhouse vegetable growers must consider when producing organically.

The best options, according to a Michigan State University expert, include either a pour-thru or a plug press.

This is the last article in a three-part series highlighting some of the potential challenges with using wood substrates in greenhouse crop production.

Profile Products has been a disruptor in the growing media market since launching HydraFiber more than five years ago, partnering with other media companies to blend custom mixes and large growers who mix their own media.

Have a look at some products and techniques being offered.

This is the second article in a three-part series highlighting some of the potential challenges with using wood substrates in greenhouse crop production.

Through the use of proven best management practices, peat industry members are developing systems designed to return harvested peatlands to peat-accumulating ecosystems.

Traditional soilless substrate components have been researched for many decades (mostly since the 1960s) and their problems and […]

Molds are more likely to occur when growing media remains wet for prolonged periods of time, especially during stretches of frequent overcast weather.

Now with four generations in the business, Lambert still operates from the original location, along with a number of additional peat bogs.

Called Sunshine Mix PF, the new product contains grower-grade Canadian Sphagnum peat moss and naturally aged peatland aggregate.

Geraniums grown in substrates below an optimal pH range will exhibit chlorotic leaf spotting between veins, interveinal chlorosis, and marginal and leaf necrosis of the lower foliage.

Irrigation water that is alkaline contains bicarbonates, and as crops are irrigated over time, these bicarbonates will increase media pH.