Courasel

January Disease – What Farmers Should Know About Theileriosis

By the Late Peter Jackson of Animal Health Products/Environmental Health at Cooper Zimbabwe. Theileriosis is a disease caused by protozoa called Theileria parva bovis which destroy white blood cells in the lymphatic system and the lungs. The degree of the disease varies in severity from an acute form where the cattle die after 2 to […]

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DIAGNOSIS OF NUTRIENT DISORDERS IN FLUE CURED TOBACCO

By Dadirai Chinamo, Crop Production & Molecular Technologies Division, Tobacco Research Board. Tobacco requires nutrients timeously and in balanced proportions. Any deviations result in nutrient disorders, i.e. the plant becomes unhealthy and exhibits disease-like symptoms (Fig. 1 a, b, c, and d). This affects the functioning of the plant system and may result in a

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Batch vs Continual Mixed Flow Grain Drying

BY CORPCORD INVESTMENTS Continuous technological innovations have paved the way for advances in agri-processing equipment, allowing farmers a wider variety of options when choosing grain drying equipment. The improved technology available today places farmers firmly in control of their drying costs and quality control. The affordability of the equipment as well as the cost-saving parameter

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Winter Tillage

By Doug McClymont The fortunate thing about winter tillage is that there is irrigation available to help with the situation. Winter crops in Zimbabwe have to be grown under irrigation so with this asset available one has total freedom to choose the method of tillage. The larger field crops grown include wheat and barley while

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Ideal Environmental Conditions For Dairy Cows

Hot environments affect the performance of dairy cows both directly and indirectly. To attain the fullest genetic performance, environmental conditions and diets should be modified. Thermal factors consist of air temperature, humidity, air movement, and radiation rate. In lactation Holstein cows, the comfortable temperature is within the range 4-24⁰C. The effects of heat stress on

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