2.

　　There is a huge dialogue between different businesses, farmers and scientists on creating sustainable agriculture. One can be growing many crops in a very single field. This will cut back the loss of nutrients. At the same time, climate and water resources will be best used. Another method of sustainable agriculture is to grow only one crop in a field. However, it’s not highly encouraged as it may make soil lose its fertility overtime.

　　3.

　　Sustainable agriculture will have an effect on food production and it needs to be made greater as a result of the increasing world population. Some supporters who accept sustainable agriculture agree on using organic (有机的) farming. Though this method creates comparatively low production, it will be used in those areas that are dry. It’s an expensive method; however, if individuals are educated to learn the use of this technique, then it is possible to be used widely and new techniques can be introduced to increase the output in future.

　　4.

　　Sustainable agriculture is not a one-size-fits-all form. Each farm is different and has its own needs and techniques to achieve sustainability. But there are a number of basic standards that can provide farmers with a good starting point. For example, farmers trying to achieve sustainability should increase nutrient cycling. Soil should be thought of as a living matter, not simply a physical or chemical thing.

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