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- Zobeck, T.M.; Parker, N.C.; Haskell, S.; Guoding, K.
- Agriculture, ecosystems & environment 2000 v.82 no.1/3 pp. 247
- wind erosion; simulation models; prediction; geographic information systems; vegetation; spatial variation; temporal variation; estimation; land use; crop management; soil texture; crops; irrigation; erodibility; Texas
- ... Factors that affect wind erosion such as surface vegetative and other cover, soil properties and surface roughness usually change spatially and temporally at the field-scale to produce important field-scale variations in wind erosion. Accurate estimation of wind erosion when scaling up from fields to regions, while maintaining meaningful field-scale process details, remains a challenge. The object ...
- Sinclair, T.R.; Pinter, P.J. Jr.; Kimball, B.A.; Adamsen, F.J.; LaMorte, R.L.; Wall, G.W.; Hunsaker, D.J.; Adam, N.; Brooks, T.J.; Garcia, R.L.; Thompson, T.; Leavitt, S.; Matthias, A.
- Agriculture, ecosystems & environment 2000 v.79 no.1 pp. 53
- Triticum aestivum; leaves; nitrogen content; nutrient availability; nitrogen; nutrient deficiencies; drought; water stress; photosynthesis; nutritive value; seasonal variation; carbon dioxide; Arizona
- ... Leaf N concentration is important because it is associated with the CO2 assimilatory capacity of crops, and in grasslands, it is an important determinant of forage nutritive value. Consequently, the productivity of both domestic and native animals in future global environments may be closely linked to possible changes in leaf N concentration of grasses. Since grasslands are frequently subjected to ...