What is materials? Materials can be described as substances that produce other things. The properties of the following materials shall be considered: Wood Metals\ceramics and glass Rubber Plastics WOOD Wood is a material obtained from a tree by cutting down. The process of cutting a tree down is known as felling. STRUCTURE OF A TREE. […]
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After the planting materials are selected they are prepared in different ways before they are planted. Some of the methods used to prepare planting materials include the following: Breaking the seed dormancy. Some seeds undergo a dormancy period between maturity and the time they sprout. The dormancy period is the stage whereby a seed cannot
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When selecting materials for planting the following factors must be considered: Suitability to the ecological conditions The selected planting materials should be well adapted to the soil conditions, temperatures and amount of rainfall in the area. There are many varieties of maize, for example, which are suitable to different ecological conditions. Hybrid 622f or example
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