Production & postharvest

The Department of Primary Industries and Regional Development contributes to the productivity, profitability and sustainability of plant-based agriculture. From broad scale dryland cropping systems to intensive irrigated production, we work with industry and business to address challenges in plant production through research and development, knowledge transfer and government policy settings.


  • The Pest and Disease Information Service (PaDIS) provides advisory and identification services on animal and plant pests, weeds and diseases that impact Western Australia's agriculture and food ind

  • Irrigating crops with saline water can result in yield loss and decreased quality.

  • Correct postharvest handling is essential to maximise vase life and maintain flower and foliage quality.

  • This web page outlines the commercial cultivation of Boronia megastigma (brown boronia) and B. heterophylla (pink).

  • This page describes the characteristics of a good potting mix and outlines some of the common ingredients, as well as detailing simple tests for aeration and water-holding capacity.

  • Dried flowers are a popular longer-lasting alternative to fresh flowers. A number of methods can be used to dry flowers but some basic principles apply generally such as drying as fast as possible

  • Cut flowers and foliage are highly perishable items. Field heat should be removed as soon as possible after picking.

  • Liquid fertiliser is commonly used on its own or as a supplement to base fertiliser in horticulture.

  • Glycerining is the term used in the ornamental cutflower and foliage processing industry to describe treating fresh plant material with a hygroscopic (water-attracting) chemical. The objective is t

  • The supply of nutrients to plants in a nursery can be achieved using different methods.