rate of 0.5 mL·min −1 with absorbance measured at 254 nm. Sample injection volume was 5 µL, each with duplicate HPLC injections. Mobile phase was buffered potassium phosphate monobasic (KH 2 PO 4 , 0.5%, w/v) at pH 2.5 with metaphosphoric acid (HPO 3
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Elizabeth Baldwin, Jinhe Bai, Anne Plotto, John Manthey, Smita Raithore, Sophie Deterre, Wei Zhao, Cecilia do Nascimento Nunes, Philip A. Stansly, and James A. Tansey
Yuliya A. Salanenka, Martin C. Goffinet, and Alan G. Taylor
ruthenium red for 20 min and observed for red color ( Jensen, 1962 ). A 1% Alcian blue 8GX solution in 3% acetic acid (pH 2.5) was applied to tissue sections for 20 min, rinsed with water, and the sections were examined for blue color under visible radiation
Sanjun Gu, Wenjing Guan, and John E. Beck
, NC). The organic compost had average properties of 6.9 pH, 2.91 mS·cm −1 electric conductivity, and a carbon to nitrogen ratio of 10.9:1. Estimated available nutrients for the crop are 0.6% N, 0.03% phosphorus (P), 0.2% K, 10.3% calcium (Ca), 0
Yan Chen, Min Jin, Cui-yun Wu, and Jian-ping Bao
aqueous solution were used as the mobile phase, the flow rate was 0.4 mL⋅min −1 , the detection wavelength was 255 nm, and the injection volume was 10 μL. A 1-g sample was ground with 10 mL of isopropanol hydrochloric acid buffer (pH = 2.2; isopropanol
Changwei Shen, Yifei Ding, Xiqiong Lei, Peng Zhao, Shuo Wang, Yangchun Xu, and Caixia Dong
cool to room temperature, and the solution was filtered through wet filter paper and collected in a 50-mL volumetric flask. The residue was mixed with 20 mL of citrate buffer (pH 2.2) and the amino acid profile was determined using an automatic amino
William R. Okie and Bryan Blackburn
Clear (Floralife Inc., Walterboro, SC) at double strength (2× = 32 mL·L −1 water; pH = 2.78; soluble solids = 1.4%). Crystal Clear contains no hormones and did not affect the rate of budbreak in comparison with water but did reduce bacterial growth in
Cindy B.S. Tong, Hsueh-Yuan Chang, Jennifer K. Boldt, Yizhou B. Ma, Jennifer R. DeEll, Renae E. Moran, Gaétan Bourgeois, and Dominique Plouffe
1 and PH2), year, and GDD 45, 60, 90, and 120 DAFB as variables indicated that only GDD 60 DAFB explained significant variation (41%) in diffuse flesh browning. Further ANOVA using GDD 50, 55, 65, and 75 DAFB as variables resulted in 19% of the
Victor M. Gallegos-Cedillo, Juan E. Álvaro, Th. Capatos, T. Luan Hachmann, Gilda Carrasco, and Miguel Urrestarazu
cultivars of blueberry and found that the maximum vegetative growth occurred at pH 4.0 and 4.5, but that there was no significant growth at pH 2.5 and 3.0. However, Schmid et al. (2009) used sulfur to acidify pine sawdust to a pH range of 3.8 and 4.2, and
Jinghua Fan, George Hochmuth, Jason Kruse, and Jerry Sartain
ethylenediaminetetraacetic acid, pH 2.0); 5-min reaction time] ( Mehlich, 1984 ). At the end of extractions, the supernatant was filtered before being analyzed by the ICP (USEPA method 200.7). The plant samples were dried at 65 °C for 72 h and ground in a Wiley Mill to pass
James E. Altland and Kay Yeon Jeong
, which can have secondary effects on potassium (K) uptake in plants. The objectives of this review are to 1) describe the impact of DL rate on substrate pH, 2) discuss the primary and secondary effects of DL on nutrient availability, and 3) summarize the