All Resources

Structural controls for dryland saline seeps

Description

Dryland saline seeps can be controlled using structural or biological controls. Structural controls for discharge areas include surface water management, subsurface water management and relief... More ≫

Description

Dryland saline seeps can be controlled using structural or biological controls. Structural controls for discharge areas include surface water management, subsurface water management and relief wells. Generally, structural controls lower water tables and improve accessibility in discharge areas faster than biological controls. However, structural controls are usually more expensive than biological controls and are not always totally effective.

Tags

Freezing date probabilities

Description

This fact sheet provides information for estimating probable freezing dates for 114 locations in Alberta. Average dates of frost occurrence have often been used for this purpose. However, averages... More ≫

Description

This fact sheet provides information for estimating probable freezing dates for 114 locations in Alberta. Average dates of frost occurrence have often been used for this purpose. However, averages have limited value because they denote the 50 per cent risk level or the probable occurrence of untimely frost in, for example, five out of ten years. This may well be too much risk for economic viability in the long run. On the other hand, trying to avoid all frost damage by sticking to a limited number of hardy, short-season crops may not be profitable either. The indirect costs of lost opportunities could be very high. For planning purposes, it may be better to use an intermediate risk level, such as 25 per cent, where the advantages of growing a particular crop outweigh the risks of occasional frost damage.

Tags

Body condition : implications for managing beef cows

Description

Body condition, or the amount of body fat an animal is carrying, is one management indicator that can be used to predict herd fertility and determine feeding programs. This fact sheet is intended... More ≫

Description

Body condition, or the amount of body fat an animal is carrying, is one management indicator that can be used to predict herd fertility and determine feeding programs. This fact sheet is intended to make producers aware of the condition scoring system, what effects various condition scores will have on herd fertility, and to offer some management strategies regarding feeding and when to condition score to optimize both fertility and economics.

Tags