Growing Food: A Guide to Food Production
Silage is a type of animal food made from green crops that are cut in the field and preserved by fermentation for later use. A c ...
lucerne (alfalfa), sainfoin (Onobrychis viciaefolia) . Sainfoin plants grow upright and make good hay, but only one cut per ye ...
hay may even spontaneously combust. Mouldy hay, ie hay that is infected with fungi, should not be fed to livestock. Most subsist ...
More Accurate Measurement of Land Area Figure 13. Land area measurement—more accurate method (shown as ‡ on the diagram above) a ...
Crops that are grown for their grain, the “seed”, such as most of the cereals and oilseeds and many of the legumes, are normally ...
In subsistence farming situations food producers are often more interested in the reliability of a crop than in producing high y ...
J Insects Crop Losses due to Insects Insects are frequently the most serious problem for food and livestock producers in tropica ...
Controlling Aphids Compared with other insects, aphids are relatively easy to control. With light infestations on small areas th ...
Some Alternative Pest Control Methods Integrated Pest Management (IPM) considers both crops and pests as part of an ecological s ...
insect pest may recover faster than the predator, and so cause more damage than if the insecticide had not been used in the firs ...
This situation is similar for many other important tropical crops, which are now mainly grown in regions far from where they ori ...
Fungicides—as a last resort these can be used, as a preventative measure as well as a cure. Seed dressing—this use of chemicals ...
Sometimes during seed distribution/sale projects some of the seed is eaten by the people who are receiving it, which may indicat ...
Transmission of Fungal Diseases Fungi spread and multiply by means of spores, which are the fungal equivalent of seeds. Their sp ...
called the Latent Period, the period between infection and expression ie the time from when a spore lands on a leaf and the time ...
Some Examples of Diseases caused by Viruses Irish potatoes are damaged by three viral diseases: Leaf Roll, caused by one specif ...
L Weeds A weed can be loosely defined as any plant that is growing in a place where it is interfering with the growth, harvestin ...
When to weed In general, the earlier the better. Small, young and tender weeds are easier to uproot or cut than older, tougher w ...
Some varieties of sorghum such as Gubiye, Framida, Dobbs and Radar, and a few sugarcane varieties have some resistance to Strig ...
sprayed in combination with other soil-surface (residual) herbicides; these kill off the weed seedlings that germinate some days ...
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