Answer:
Overall, for SA to maintain and improve food security in a sustainable way, science and technology should be central to planning and ensuring there is sustainable innovation in farming. This can be through hydroponics, conservation agriculture, biological farming, and safer use and disposal of agrochemicals.
Answer:
Plowing, crop rotation, removal of infected plant material, cleaning of greenhouse and tillage equipment, and effective manure management are all cultural practices that are employed to deprive pests of a comfortable habitat or prevent their spread. Pesticides can contaminate soil, water, turf, and other vegetation. In addition to killing insects or weeds, pesticides can be toxic to a host of other organisms including birds, fish, beneficial insects, and non-target plants.
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Explanation:
Communism. The founding principles of communism are that one must share and that one does not own private property.
Britain proposed a common policy on Larin America because the Monroe Doctrine satisfied the demands of the British, which kept the French, Dutch and Spanish out of America, as well as sustained trade with them. Furthermore, it allowed the establishing of the "Informal Empire" greatly of South America, where Britain constructed the telephone networks, dominated trade and railways. As a matter of fact, America was in no position to regulate and control the doctrine, but the US Navy was too small, on the other hand, the Royal Navy is the largest navy in the World until 1946, could control it.