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Sudeep S. Sidhu, Qingguo Huang, Robert N. Carrow, and Paul L. Raymer

greenhouse conditions, decreases in the rate of thatch layer build-up and accumulations of total organic matter in the top 2.5 cm of creeping bentgrass were reported in response to the direct application of laccase, an extracellular lignolytic enzyme produced

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Ethan T. Parker, J. Scott McElroy, and Michael L. Flessner

rates and application timings of many of these herbicides as well ( Busey, 2003 ; Cudney et al., 1997 ; Dernoeden, 1987 ; Mueller-Warrant, 1990 ; Neal et al., 1990 ; Warren et al., 1989 ). Currently, only bensulide and oxadiazon are explicitly

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Bryant C. Scharenbroch

impacts of ACT on examined tree growth. These studies have rarely compared ACT with water, which is known to be a major limiting factor for tree growth (e.g., Scharenbroch et al., 2011 ). Furthermore, no standards exist for application rates of ACT to

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Gitta Shurberg, Amy L. Shober, Christine Wiese, Geoffrey Denny, Gary W. Knox, Kimberly A. Moore, and Mihai C. Giurcanu

from residential land uses was 256% greater than the exports from wooded sites. Although fertilizer is not the sole contributor to N and P exports from residential landscapes, fertilizer management practices (e.g., application rates, timing of

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Thomas W. Walters, John N. Pinkerton, Ekaterini Riga, Inga A. Zasada, Michael Particka, Harvey A. Yoshida, and Chris Ishida

mustard seed meal (Gies Organic Products, Moses Lake, WA). This meal is a by-product of oil extraction from seeds. Application rates, methods, and dates for treatments in each of the four trials are listed in Table 1 . Table 1. Treatment list for

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Patrick E. McCullough and William Nutt

. Application dates are presented in Table 1 . Herbicide rates were selected from label recommendations for bermudagrass and the simazine treatment was chosen based on the high label rate ( Dupont, 2004 ; Monsanto, 2008 ; Syngenta, 2008 ). A broadcast

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Clinton J. Hunnicutt, Andrew W. MacRae, and Vance M. Whitaker

Doohan conducted trials with clopyralid application rates ranging from 25 to 400 g·ha −1 applied as a postharvest spray in a perennial strawberry production system. Common groundsel ( Senecio vulgaris ) control of 82% was achieved when clopyralid was

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Wei-Ling Yuan, Shang-yong Yuan, Xiao-hui Deng, Cai-xia Gan, Lei Cui, and Qing-fang Wang

radish production system in southern China. According to Yuan et al. (2014) , the optimal N application rate recommended in radish-producing area was 120 kg N/ha, but rates of 200–300 kg N/ha are common in southern China. Excessive N fertilizer

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Rita L. Hummel, Marianne Elliott, Gary Chastagner, Robert E. Riley, Kathy Riley, and Annie DeBauw

fertilization and irrigation strategies nurseries can follow to prevent environmental contamination. In addition to reducing the potential for N pollution, lower N applications may reduce the incidence of plant disease. Under some conditions, high N rates have

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Rebecca G. Bichsel, Terri W. Starman, and Yin-Tung Wang

fertilizer application was ended at FT-1 (1 Sept. 2005) than when it was applied for an additional 30 or 60 days (two leaves; Fig. 2 ). Plants had a similar number of leaves remaining at each of the N rates from 50 to 400 mg·L −1 regardless of N termination