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Drought Calculator Arnold Norman, NRCS Fort Worth, TX Gale Dunn, ARS Fort Collins, CO Megan Christensen, ARS Fort Collins NDSU Research Ext. Centers ARS-Mandan,

Published byWhitney Chandler Modified over 9 years ago

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Presentation on theme: "Drought Calculator Arnold Norman, NRCS Fort Worth, TX Gale Dunn, ARS Fort Collins, CO Megan Christensen, ARS Fort Collins NDSU Research Ext. Centers ARS-Mandan,"— Presentation transcript:

1 Drought Calculator Arnold Norman, NRCS Fort Worth, TX Gale Dunn, ARS Fort Collins, CO Megan Christensen, ARS Fort Collins NDSU Research Ext. Centers ARS-Mandan, Miles City

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3 Monthly Precip. Plant Growth Curves Long Term monthly Precip. Growth Model or Long Term research

4 Temperature Timing and Intensity of precip. 75% Accuracy

5 Forage Growth potential

6 Carry-Over Potential One year-Less than 50% correlation Several years-negative effect Carry-over not used by Drought Calculator

7 Rainfall and Forage Growth

8 Half of normal March-June 5 inches in July…too late

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28 Drought Plan Protect the Resource Implement a grazing system Develop Water Monitor at Critical Dates Prepare to sell down Accept it…Drought Happens

29 http://www.nrcs.usda.gov/wps/portal /nrcs/site/nd/home/

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