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Canopy Light Environment and Yield of Narrow-Row Cotton as Affected by Canopy Architecture

^a Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Apartado Postal 247, Torreón, Coahuila 27000, Mexico
^b Dep. of Agron. and Hortic., New Mexico State Univ., Las Cruces, NM 88003

View larger version (37K): [in a new window]   Fig. 1. Photosynthetic photon flux density (PPFD) availability at three canopy positions resulted from modified plant architecture treatments of narrow-row cotton in 1995. * = significance at the 0.05 probability level (LSD = 13.63) for each control–treatment comparison. Average PPFD above the canopy of all treatments = 1738 µmol m-2 s-1.

View larger version (41K): [in a new window]   Fig. 2. Photosynthetic photon flux density (PPFD) availability at three canopy positions resulted from modified plant architecture treatments of narrow-row cotton in 1996. * = significance at the 0.05 probability level (LSD = 7.37) for each control–treatment comparison. Average PPFD above the canopy of all treatments = 1738 µmol m-2 s-1.