The average amount of time a watermolecule spends at a particularstage during its journey throughthe hydrologic cycle is known as theresidence time. The residence timeis calculated by dividing the totalamount of water at that stage bythe rate at which water is added andremoved from it.

Well designed artificial wetlands can provide habitats for aquatic plants, birds, fish, frogs and aquatic insects and other little critters on-farm. Designs need to be practical and water use effeceint.

Nitrogen fertilizer and ways to minimise greenhouse gas emissions in the cotton farming system

Effect of water stress on 2,4-D damamaged cotton plants

Use of petroleum spray oils in cotton: Managing aphids and mirids, Mode of action of PSO's, Application of PSO Managing Hellicoverpa with PSO, Using PSO's with beneficials

Well designed irrigation storages and water courses on cotton farms can aid in the removal of sediment, nutrients and pesticides from irrigation water and enhance their habitat value for native plants and animals. This brochure outlines key principles for increasing the water use efficiency, water quality and habitat value of cotton farm watercourses and storages.

the competitive nature of the international cotton market has given rise to anextremely diverse range of marketing alternatives for Australian cotton growers. The aim of this courseis to outline a majority of the marketing tools available and discuss the methods available to hedge thevarious elements of the Australian cotton price.

One of the least obvious pitfalls is residual herbicide, applied to a previous crop or fallow some time in the last few months or even the last few years, depending on the herbicide. Some of the residual herbicides (such as atrazine, Tordon®, Ally® & Glean®) can remain active in the soil for well over a year, even though they are having no obvious effect, but they can still have a nasty effect on cotton!

A description of the different services provided by natural ecosystems

Vetch is a winter-growing legume being increasingly grown in rotation with cotton. It provides no cash flow but provides substantial benefits in the productivity of the following cotton crops by improving the soil.