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Top End Greening

Nearby Katherine is Nitmiluk National Park

Nearby Katherine is Nitmiluk National Park, which embraces the dramatic Katherine Gorge and its many ancient rock paintings.

In the centre of Katherine in Australia’s Northern Territory, a hydroponic greenhouse has started growing green leafy vegetables and herbs.

By Christine Brown-Paul

Lying 320 kilometres southeast of Darwin, just below the “Top End”, Katherine is the fourth largest settlement in the Northern Territory. The township began as an outpost established with the Australian Overland Telegraph Line on the North-South transport route between Darwin and Adelaide. See More

Innovative coir system

Galuku Easyfil planterbags

Galuku Easyfil planterbags

Sydney-based coir supplier, Galuku, has created a substrate production system made of organic coconut fibre that has already proven successful for major berry growers such as Driscolls. When blueberries are grown in soil, an average fruit yield of 0.5kg is good for the first year of production. With Galuku’s Australian patented Easyfil Planterbags, Driscolls has experienced first year average yields as high as 3kg per plant. See More

Hydroponic Sorghum

Sorghum

Sorghum (Sorghum bicolor).

The list of crops which can be grown hydroponically is endless. Theoretically, any plant that can be grown in soil can also be grown in a soilless system. Most hobbyists and commercial growers tend to focus on practical or high-value crops that are strongly suited to hydroponics. There are of course some unconventional crops, which can also be profitably grown in a soilless set-up, however impractical they may be. While these crops might not be ideally suited to hydroponics, the applications are sometimes worth pursuing.

By CLIF DROKE See More

Back to Eden

Hydroclimaponics

‘Hydroclimaponics’ vertical hydroponics system

In South Africa, one company has taken hydroponics to a new level. Its groundbreaking new vertical hydroponic system – Hydroclimaponics – facilitates control of the micro-environment of each individual plant’s carbon dioxide, temperature and humidity to deliver enhanced productivity.

By CHRISTINE BROWN-PAUL See More

Truss tomato yields . . . limited by shoot density

Download Truss-tomato-yield-calculator-from-shoot-density

Beef tomatoes

The top of high density crop of beef tomatoes.

Growers of truss tomatoes often overlook the fact that yields are limited by shoot density. Plant density has become somewhat irrelevant now that so many growers are using grafted plants with two shoots being taken from the cotyledons. Shoot density is a more useful term that can be used to describe both single stem (where shoot density = plant density) or multi-stem plants. See More

Black beauties

Eggplant

Eggplant (solanum lemongena)

Eggplant or aubergine is a species of nightshade grown for its edible fruit. This black beauty is a good source of dietary fibre, vitamins and minerals and often substituted for meat.

By STEVEN CARRUTHERS See More

Cultivation in hot climates

Grodan_01A major challenge faced by glasshouse vegetable growers in warmer climates, is dealing with the hot conditions, during the day and at night. High temperatures and radiation can create problems. So, the question becomes: what can be done to prevent these conditions from creating excessive stress on the crop?

By Phil Johnson See More

To market, to market

More than 4,000 businesses use Melbourne Wholesale Fruit Vegetable and Flower Market as a base, buying and selling fresh produce in the early hours of the morning for distribution across Victoria and Australia.

More than 4,000 businesses use Melbourne Wholesale Fruit Vegetable and Flower Market as a base, buying and selling fresh produce in the early hours of the morning for distribution across Victoria and Australia.

After 10 years of political wrangling amid various stakeholders together with a relocation budget blowout, the Melbourne Wholesale Fruit Vegetable and Flower Market has moved premises to its new site in Epping, Victoria. Around 3,000 small businesses are involved in the markets, including 600 growers.

By CHRISTINE BROWN-PAUL See More

Sustainable energy

Energy_webCarbon dioxide options for commercial greenhouses

The changing landscape of fossil fuels presents increasing business risks for Australian domestic industrial and commercial energy consumers. Rising costs and uncertain supply of natural gas (1) and the existing high price of Liquid Petroleum Gas (LPG) represent a significant portion of this risk. Adding complexity to this changing landscape is mounting international pressure on Australian policy makers to replace fossil-fuelled energy with renewable alternatives. Horticulturists use natural gas and LPG for greenhouse environment management and as a result are left exposed to an uncertain future.

By IAN GESCH See More

Ultrafiltration cleans up for hydroponic cucumbers

Cucumbers_webAll water used in a greenhouse and hydroponic system should be disinfected before use, and there is an extensive range of disinfection methods that could be used to treat water. In this article, the author gives a benefit cost assessment of ultrafiltration as a treatment option for water disinfection, a Horticulture Innovation Australia project undertaken by Primary Principles Pty Ltd.

by JEREMY BADGERY-PARKER See More

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