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| Description: Green revolution = increases in agricultural productivity during mid- to late twentieth century Increased food production Devoting more energy Greatly increasing use of irrigation, fertilizers, and pesticides Extensification = bringing more land into production Intensification = better productivity per unit of land Positive effects on natural resources Reduced pressure to convert natural lands Prevented deforestation and habitat conversion Negative effects on natural resources Intensive use of water, fossil fuels, chemical fertilizers, and pesticides Pollution Erosion Salinization Desertification Fertilizer Impacts Inorganic – or industrial fertilizers are mined or synthetically manufactured mineral supplements (nitrogen, phosphorus, and potassium) Picture Stats: Views: 232 Filesize: 143.68kB Height: 539 Width: 702 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=35742 |