sustainable gypsum

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REGYP NEWS ROOM – Goes Live

June 4th, 2010|

Subscribe to the Regyp News Room to receive up-to-date information on: - Construction and demolition waste services and specials; - Sustainable building practices; - Waste industry information including levy movements; - Gypsum product updates and specials; - Information on gypsum and the benefits of gypsum application; - Agricultural news. To subscribe follow the "Log In"

Plasterboard waste – Contamination

May 26th, 2010|

Waste Loads • All waste loads are inspected at REGYP disposal points; • Up to 2% contamination allowed (screening equip limit); • PENALTIES are imposed for contaminated loads; • A “Customer Code” is required to tip at the REGYP disposal points; • A payment method must be arranged before tipping or pickup. Acceptable Waste We

Gypsum spreading trials

February 12th, 2010|

ReGyp undertook spreader trials using the Super Ag 10mm screened gypsum product near Cowra NSW. The results off the spreader are substantial, with the Regyp gypsum spreading up to 19m (average 17-19), with various NSW mined gypsum products only achieving 11-13m off the same spreader. This increased spreading distance would equate to approximately $10 per

Aerial top dressing with Super Ag Gypsum

December 12th, 2009|

Regyp Super Ag Gypsum is more suitable to aerial top dressing due to the material handling properties, spreadability (similar to prilled products) and the increased solubility. In general aerial top-dressing contractors, to tend to use coarser gypsum material to overcome material handling issues and also to deliver the recommended quantities more quickly. The influence of

Effect of gypsum on subsoils

October 14th, 2009|

Many soils in NSW have sodic clay subsoils of low permeability. These soils waterlog easily after heavy rain or irrigation. Under these circumstances subsoil oxygen levels remain low for long periods during which root development is seriously restricted. Waterlogging also favours the development of root diseases, including crown rot and Phyrophihora. and the loss of

Effect of gypsum on topsoils

October 14th, 2009|

Gypsum improves the soil structure of hardsetting or crusting sodic clay topsoils, not only by reducing swelling, but also preventing clay dispersion. Sodic topsoil (0-10cm) usually has very poor structure – it is waterlogged when wet and too hard when dry. Sodic soil has too much sodium linking clay particles and not enough calcium. Sodic

Improving soil structure with gypsum

October 14th, 2009|

Gypsum works on improving spoil structure in two ways. Both depend upon the gypsum being dissolved by rain or irrigation water and entering the soil solution. The first is called the electrolyte effect which is based on the fact that swelling and clay dispersion of sodic clay soils decrease as the salinity of water infiltrating

Sodic Soils

October 14th, 2009|

Sodicity should not he confused with salinity. Salinity refers to the total amount of salts dissolved in the water in soil, whereas sodicity refers to the exchangeable sodium cations bound to clay particles. Salinity can be reduced by leaching (draining rainwater or non-saline irrigation water through the soil but leaching has little effect on sodicity.

Predicting soil response to gypsum

September 19th, 2009|

Soils that are most likely to show economic responses to gypsum application have the following features in the topsoil, subsoil or both: high clay content—greater than 30%. particularly greater than 40%, high sodicity level—ESP greater than 5. particularly greater than 10, low salinity level—electrical conductivity of a 1:5 soil: water suspension (EC I:5) less than

Regyp Canberra ACT

July 1st, 2009|

ReGyp has partnered with Corkhill Bros of Canberra, to offer plasterboard/gyprock waste and recycling services in the ACT. Corkhill Bros will also distribute Super AG Gypsum from their Canberra sites. You have visited the REGYP News Room, for more info please visit the full REGYP website www.regyp.com.au , or call 1300 4 REGYP (73497) or