Plant Nutrients and Soils - 11Use of pesticides and herbicides to minimize crop loss is a whole other issue, not tobe addressed at this time.In spite of these issues, or perhaps because of these issues, there is much emphasistoday in agriculture to use practices for sustainable agriculture, practices thatminimize erosion such as minimal tillage, contour planting and windbreaks are used.Soils are monitored for acid/base balance and mineral needs to use fertilizers morejudiciously, along with crop rotation using crops that require different mineralproportions on different years. Research is conducted on how best to irrigate forplant needs, conserve water and reduce leaching.Genetic Modifications to Enhance Plant SurvivalAs discussed in Biology 211, genetic modification of plants to improve plant growthwithin a given environmental condition or to improve a plant for human purposes isnow common. We will discuss a few examples of genetic modification to enhance
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