PPT-A regional-scale soil phosphorus balance for exploring mine

Ola Stedje Hanserud 12 Eva Brod 13 and Helge Brattebø 2 1Norwegian Institute for Agricultural and E nvironmnental research Bioforsk 2Industrial Ecology Programme. They generally are less than 2 inches thick and are massive Crusts are created by the breakdown of structural units by flowing water or raindrops or through freezethaw action Soil crusts are generally only a temporary condition Typically the soil im Part I: Nitrogen and Phosphorus. . . . . . KEY CONCEPT . Matter cycles in and out of an ecosystem.. Elements essential for life . cycle . through ecosystems. . A biogeochemical cycle is the movement of a particular chemical through the biological and geological parts of an ecosystem.. Eric Smeltzer. eric.smeltzer@state.vt.us. Why is phosphorus a problem in lakes?. Low. Phosphorus. ~10 µg/L. Very high. Phosphorus. > 50 µg/L. High. phosphorus. Medium. phosphorus. Why are excessive algae a problem in lakes?. Alexandra Arntsen, Alison Foster, Scott Ritter. April 2011. Problem Statement:. . Excess phosphorus loading in Lake Champlain is affecting overall water quality through increased growth rates of photosynthetic aquatic plant life and the subsequent reduction of dissolved oxygen. . Geochemical Cycles continued. Objectives: . Describe the process of cycling phosphorus throughout environment. . Describe the role that fertilizer plays in both the nitrogen and phosphorus cycle. . What is phosphorus?. Methods of soil study . I. I.. 1. . Soil. . sampling. The most commonly used sampling design for many field studies is systematic sampling using either transects or grids. . Map of systematic soil sampling. and Phosphate. Phosphorus . is essential for the growth of algae and other biological organisms. .. Algal . blooms P enters into . surface . waters from,. - . Domestic . + industrial discharges. Obje. c. tiv. es. M. e. thods. R. esults. C. onclusions. P. eriod. . . colon. . :. parenthesis. . (. . ). etc.. e.g.. i.e.. et. . al.. America. n. Soci. e. t. y. . o. f. . Agrono. m. y. . Agrono. http://www.betterground.org/soil-quality-2/. Ray Ward. Ward Laboratories Inc. . Kearney, NE. www.wardlab.com. “Guiding Producers Today to Feed the World Tomorrow”. . Nutrient Crop Removal, lbs/Bu. Renal Physiology 5. Charles J. Foulks, M.D.. 9/21/2011. Minerals . Calcium (Ca) . Phosphorus (P) . Magnesium (Mg) . Organ Systems . Skeleton . Kidney . GI tract . Other . Hormones . Calcitropic hormones . A map of your life. Drawing and sculpting change. Images of migration . into drama. The suggestions offered allow the students to probe more deeply the themes of the play. . Teachers . can select and adapt these ideas to meet the needs and interests of particular students. . TANAMAN TEBU. Foto:smno.tebulahankering.malang.2010. P DAN TANAMAN TEBU. Pengendalian P-tersedia dalam tanah sangat menentukan hasil tebu dan gula.. Perkembangan akar tebu akan lambat kalau suplai P-tersedia terkendala, sehingga akan muncul gangguan dalam proses penyerapan air dan hara oleh akar tanaman.. Diabstraksikan. . oleh. :. Smno.jursntnhfpub.des2012. P DAN TANAMAN TEBU. Pengendalian P-tersedia dalam tanah sangat menentukan hasil tebu dan gula.. Perkembangan akar tebu akan lambat kalau suplai P-tersedia terkendala, sehingga akan muncul gangguan dalam proses penyerapan air dan hara oleh akar tanaman.. Courtney Giles, PhD. UVM . EPSCoR. /RACC Q1. Phosphorus. MW: 30.97. Hennig. Brand, 1669. History. <. 1200 . Present. – Manure fertilizers used. 1669. . – . Hennig. Brand discovers ‘white’ elemental .