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Impact of Nitrogen Management on Soil and Plant Health Over 180 Days Study

This study analyzes the effects of various nitrogen management practices on nitrate leaching, plant N uptake, dry matter accumulation, and visual quality rating over a 180-day evaluation period. The data reveals significant differences in nutrient behavior based on N sources and application methods.

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Impact of Nitrogen Management on Soil and Plant Health Over 180 Days Study

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  1. AB BC A BC C C Figure1. Total NO3-N leached as influenced by N management during entire 180 day evaluation period. Means within columns followed by the same letter do not differ at P<0.05 by Duncan-Waller K-Ratio.

  2. A A A A A A Figure 2. Percentage of applied N leached as NO3-N as influenced by N management over 180 day period. Means within columns followed by the same letter do not differ at P<0.05 by Duncan-Waller K-Ratio

  3. Figure 3. Percentage of applied NO3-N leached as influenced by N management and month over 180 day evaluation period.

  4. A A A A A A Figure 4. Influence of N source on mean dry matter accumulation over 180 day evaluation period. Means within a column followed by the same letter do not differ at P<0.05 by Duncan-Waller K-Ratio.

  5. A AB A AB AB B Figure 5. Influence of N source on total N uptake during 180 day evaluation period. Means within a column followed by the same letter do not differ at P<0.05 by Duncan-Waller K Ratio.

  6. A B A B B B Figure 6. Influence of N source on tissue N concentration 180 days after treatment application. Means within columns followed by the same letter do not differ at P<0.05 by Duncan-Waller K Ratio.

  7. Figure 7. Influence of N source on mean visual quality rating over 180 day evaluation period. Means within a column followed by the same letter do not differ at P<0.05 by Duncan-Waller K Ratio.

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