Effects of Human Activities on the Nitrogen Cycle
{"Image DocumentName": "Effects of Human Activities on the Nitrogen Cycle", "Image ImageDescription": "Human activities such as production and use of fertilizers now fix (put into environment) more nitrogen than all natural sources combined. Figure 3-30.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}