potting substrates. Carbon to nitrogen (C:N) ratios of the finished composts were 16:1 for the storm debris-biosolids and construction debris-biosolids composts, and 14:1 for the horse waste-biosolids compost. Total C and total N were determined on samples
and TN contents, and carbon-to-nitrogen (C:N) ratios over time from the top 10 cm for SOM and the top 7.5 cm for the other soil properties within 0.75 m of the tree trunk in an experimental, organically managed apple (‘Enterprise’/M.26) orchard on a
-Australia, 2056–2057 Ericsson, T. 1995 Growth and shoot:root ratio of seedlings in relation to nutrient availability Plant Soil 168-169 205 214 Fritz, C. Palacios-Rojas, N. Feil, R. Stitt, M. 2006 Regulation of secondary metabolism by carbon-nitrogen status in
from 7 Apr. 2004 to 1 June 2004. Photoperiod was maintained at 16 h using a 1 lamp:1 lamp ratio of high-pressure sodium and metal halide lamps. Minimum light levels were 200 μmol·m −2 ·s −1 (under electric lamps) and as high as 800 μmol·m −2 ·s −1
organic nitrogen ( Roberts and Jones, 2012 ; Spiegel et al., 1988 ). Chitosan can be used to add organic matter to soils without raising the carbon:nitrogen ratio. In addition to nitrogen, chitosan also contains substantial levels of calcium minerals
plants. Academic Press, Amsterdam, The Netherlands Mengel, K. 1996 Turnover of organic nitrogen in soils and its availability to crops Plant Soil 181 83 93 Osaki, M. Shinano, T. 2001 Plant growth based on interrelation between carbon and nitrogen
attributes of the finished ciders to remain competitive and continue improving the quality of ciders available in the U.S. market. Nitrogen fertilization is a little studied area of cider apple orchard management that potentially impacts productivity, fruit
and maturation, bulb diameter and sheath diameter can be combined to create an index of bulb development called the “bulbing ratio” ( Brewster 1982 ; Lancaster et al. 1996 ). The bulbing ratio is used as an index of bulb development, and a ratio of
+ ratios are also related closely to salt resistance in artichoke ( Graifenberg et al., 1995 ), tomato ( López and Satti, 1996 ), chickpea ( Ozcan et al., 2000 ), and Brassica napus ( Qasim and Ashraf, 2006 ). The percentage carbon content of pepper and
losses to the environment Scientia Hort. 125 25 33 Ren, T. Wang, J. Chen, Q. Zhang, F. Lu, S. 2014 The effects of manure and nitrogen fertilizer applications on soil organic carbon and nitrogen in a high-input cropping system PLoS One 9 e97732 Ripoll, J