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Effect of poplar tree intercropping at various densities on the post harvest soil nutrient contents  [2007]

Chaudhry, A.K. (University of Arid Agriculture, Rawalpindi (Pakistan)) Khan, G.S. (University of Agriculture, Faisalabad (Pakistan). Dept. of Forestry) Ahmad, I. (University of Agriculture, Faisalabad (Pakistan). Sub-Campus Depalpur)

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Abstract
An agroforestry system comprising of Poplar (Populus deltoides clone AY-48) and wheat, fodder maize crops was designed, to compare the effect of agroforestry system and conventional agricultural system on soil. Poplar (Populus deltoides clone AY-48) was planted at a density of 455trees/ha, 305trees/ha, and 230trees/ha at the spacing of 3.66 x 6.10m (D1), 3.66 x 9.10m (D2) and 3.66 x 12.10m (D3) respectively. Agricultural crops namely, wheat (Triticum aestivum) variety Ingalab-91 and fodder maize (Zea mays) variety Neelum were sown alternately during "Rabi" and "Kharif" seasons each year throughout the entire study periods in poplar plots. To compare the differences among sole crop and intercropping the wheat and fodder-maize were also sown in separate plots (Dw/f). Significantly highest 0.65% total mean value of organic matter was observed in the treatment D2 while lowest quantity of organic matter (0.46%) was observed in sole wheat, fodder maize treatment (Dw). Nitrogen fertility increased (6.6%) in intercropping treatments during the year 2000-2001 compared to 1999-2000 while it decreased 0.45% slightly in sole wheat, fodder maize treatments (Dw). Mean post wheat harvest phosphorus content of soil in sole wheat, fodder maize treatment (Dw) was 10.97ppm while it ranged from 13.20ppm to 13.47ppm in intercropping treatments. Potassium fertility increased from 1.8ppm to 2.7ppm in intercropping treatments during the year 2000-2001 compared to 1999-2000 while
it decreased in sole wheat, fodder maize treatment to 0.9ppm.
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Other subjects

  • triticum aestivum
  • potassium
  • intercropping
  • populus deltoides
  • zea mays
  • pakistan
  • soil fertility
  • soil organic matter
  • feed crops
  • nitrogen content
  • phosphorus
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Other information

Type : Journal Article

In AGRIS since : 2008

Volume : 44

Issue : 3

Start Page : 468

End Page : 471

All titles :

" Effect of poplar tree intercropping at various densities on the post harvest soil nutrient contents "