Yield and growth components of potato and wheat under organic nitrogen management

By A. V. Delden. 2001

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Selection of Optimum Reflectance Ratios for Estimating Leaf Nitrogen and Chlorophyll Concentrations of Field-Grown Cotton (2005, background): “Insufficient N supply deal., 1992; Blackmer et al., 1994; Thomas and Gausman,creases leaf area (Fernandez et al., 1996; Reddy et al., 1977; Peñuelas and Filella, 1998; Peñuelas and Inoue,1997; van Delden, 2001), photosynthesis (Ciompi et al., 2000; Zhao et al., 2003).”
Challenges to Organic Potato Farming: Disease and Nutrient Management (2006, background): “However, in high nitrogeninput conventional systems uptakes of 40–50 kg N per 10 t of yield have been reported (Harris, 1992; Van der Zaag, 1992; Marschner, 1995).”
Corn (Zea mays L.) growth, leaf pigment concentration, photosynthesis and leaf hyperspectral reflectance properties as affected by nitrogen supply (2003, background): “E-mail: krreddy@ra.msstate.edu crop leaf area (Fernandez et al., 1996; van Delden 2001), photosynthesis (Ciompi et al., 1996; Lu et al., 2001), development, and biomass production (Dev and Bhardwaj, 1995), resulting in a low yield.”