Search Results

You are looking at 1 - 10 of 2,001 items for :

  • plant tissue nitrogen x
  • All content x
Clear All
Free access

Timothy L. Righetti, David R. Sandrock, Bernadine Strik, and Anita Azarenko

amount of N in plants and plant tissues that is derived from labeled N fertilizer. Mathematical principles inherent in any ratio-based efficiency assessment ( Atchley et al., 1976 ; Packard and Boardman, 1988 ; Pearson, 1897 ; Righetti et al., 2007

Free access

Yan Chen, Kimberly A. Williams, Brent K. Harbaugh, and Michelle L. Bell

research was supported by grants from The Fred C. Gloeckner Foundation and F.I.R.S.T. (formerly Bedding Plants Foundation, Inc.). This manuscript has been assigned Contribution no. 03-157-J from the Kansas Agricultural Experiment Station (KAES). We thank

Full access

Kristy A. Ott-Borrelli, Richard T. Koenig, and Carol A. Miles

same plants analyzed with either the ISE or colorimetric procedures. Fig. 2. Comparison of leafy green vegetable (lettuce, Asian greens, and spinach) nitrate–nitrogen (NO 3 -N) concentrations from dry whole leaf tissue extracts using colorimetric

Free access

Xiaojie Zhao, Guihong Bi, Richard L. Harkess, Jac J. Varco, and Eugene K. Blythe

interpretation approaches to determine fertilizer-derived nitrogen in plant tissues HortScience 132 429 436 Salaün, M. Guérin, V. Huché-Thélier, L. Charpentier, S. Dily, F.L. 2005 Nitrogen storage and mobilization for spring growth in Ligustrum cultivated in

Open access

W. Garrett Owen

, deficient or excessive fertility levels of essential nutrients can influence plant growth and induce deficiency or toxicity symptomology, thus compromising the overall plant quality. Greenhouse growers often rely on leaf tissue analyses ( Krug et al., 2010

Full access

Paul Cockson, Josh B. Henry, Ingram McCall, and Brian E. Whipker

when symptoms first appeared. Unless otherwise noted, values for tissue concentrations presented were significantly different. Nitrogen. Plants grown under N-deficient conditions became chlorotic ( Fig. 1A ) and had 71% less dry weight than control

Free access

Yang Fang, Jeffrey Williamson, Rebecca Darnell, Yuncong Li, and Guodong Liu

conducted to 1) determine seasonal growth of SHB by measuring organ DW at various growth stages, 2) identify the growth stages of young SHB that exhibit the greatest N uptake, and 3) determine N allocation patterns within plant tissues. Materials and Methods

Free access

Xiaojie Zhao, Guihong Bi, Richard L. Harkess, Jac J. Varco, Tongyin Li, and Eugene K. Blythe

). Nitrogen derived from the labeled fertilizer (NDFF) for each sampled plant tissue was calculated as described by Dong et al. (2004) : Natural abundance % 15 N is considered equal to 0.3665 atom percent; % 15 N sample = atom percent 15 N in plant sample

Free access

Dean A. Kopsell, Kimberly J. Whitlock, Carl E. Sams, and David E. Kopsell

yield. Nitrogen can alter plant composition more than any other essential element, and N is often the most limiting nutrient affecting growth in cropping systems ( Barker and Mills, 1980 ; Hawkesford et al., 2012 ). Nitrogen can also influence

Free access

Hagai Yasuor, Alon Ben-Gal, Uri Yermiyahu, Elie Beit-Yannai, and Shabtai Cohen

N fertilizer application to crops ( Del Amor, 2007 ). Sufficient N is essential for normal plant growth and development, being an integral part of protein and chloroplast structure and function ( Barker and Bryson, 2007 ). Nitrogen deficiency has