William H. Swallow

2012 journal article

Relative effects of fertilizer nitrogen form and phosphate level on control of bedding plant seedling growth

HortScience, 47(2), 249–253.

By: P. Nelson, C. Song, J. Huang, C. Niedziela & W. Swallow

Source: NC State University Libraries
Added: August 6, 2018

2009 journal article

Estimating probabilities under the three-parameter gamma distribution using composite sampling

COMPUTATIONAL STATISTICS & DATA ANALYSIS, 53(4), 1099–1109.

By: J. Jonkman*, P. Gerard* & W. Swallow n

TL;DR: This work proposes an estimator of p that is based on maximum likelihood estimates of the parameters @a, @b, and @c, and an associated variance estimator based on the observed information matrix, and illustrates the proposed estimator using an example of composite sample data from the meat products industry. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Growth and development of Lilium longiflorum 'Nellie White' during bulb production under controlled environments - I. Effects of constant, variable and greenhouse day/night temperature regimes on scale and stem bulblets

SCIENTIA HORTICULTURAE, 112(1), 89–94.

By: S. Kim*, C. Niedziela*, P. Nelson n, A. De Hertogh n, W. Swallow n & N. Mingis n

author keywords: scale bulblet; stem bulblet; bulb production; easter lily; flowering; root growth; growth chamber; temperature
TL;DR: One-year-old scale and stem bulblets of Lilium longiflorum Thunb ‘Nellie White’ (Easter lily) were grown under constant and variable growth chamber conditions and greenhouse conditions to compare growth and development and bulb production. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Growth and development of Lilium longiflorum 'Nellie White' during bulb production under controlled environments - II. Effects of shifting day/night temperature regimes on scale bulblets

SCIENTIA HORTICULTURAE, 112(1), 95–98.

By: S. Kim*, C. Niedziela*, P. Nelson n, A. De Hertogh n, W. Swallow n & N. Mingis n

author keywords: scale bulblet; bulb production; easter lily; flowering; root growth; growth chamber; temperature
TL;DR: It is concluded that the abortion of Lilium longiflorum Thunb was induced or initiated during growth period 1, and lower temperatures tended to favor an increase in flower bud production under continuous temperature regimes, while shifting to 18/14 °C increased flower budProduction after initially high and low temperatures. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Comparison of four production systems for dutch iris in a tobacco transplant greenhouse

HortTechnology, 15(1), 173–176.

By: C. Niedziela, C. Mullins, T. Reed, W. Swallow & E. Eberly

Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Cultivar decline in sweetpotato: I. Impact of micropropagation on yield, storage root quality, and virus incidence in 'Beauregard'

Journal of the American Society for Horticultural Science, 128(6), 846–855.

By: A. Bryan, Z. Pesic-Vanesbroeck, J. Schultheis, K. Pecota, W. Swallow & G. Yencho

Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Effects of relative humidity, calcium supply, and forcing season on tulip calcium status during hydroponic forcing

SCIENTIA HORTICULTURAE, 98(4), 409–422.

By: P. Nelson n, W. Kowalczyk, C. Niedziela*, N. Mingis n & W. Swallow n

author keywords: calcium; deficiency; forcing; humidity; hydroponics; nutrition; tulip
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Estimating ordered binomial proportions with the use of group testing

BIOMETRIKA, 90(2), 471–477.

By: J. Tebbs & W. Swallow

author keywords: composite sampling; HIV seroprevalence; isotonic regression; maximum likelihood; order-restricted inference; pooled testing; vector-transfer design
TL;DR: This paper illustrates how previously known results in order-restricted inference can be extended to situations wherein data are collected according to a group-testing protocol, and derives maximum likelihood estimators for proportions under the increasing order restriction and group- testing model. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2003 journal article

More powerful likelihood ratio tests for isotonic binomial proportions

BIOMETRICAL JOURNAL, 45(5), 618–630.

By: J. Tebbs* & W. Swallow n

author keywords: group testing; HIV seroprevalence; isotonic regression; order restricted inference; pooled testing; screening experiments; vector-transfer designs
TL;DR: The benefits of group testing in situations wherein one desires to test whether or not probabilities are increasingly ordered across the levels of an observed qualitative covariate are investigated, i.e., across strata of a population or among treatment levels. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Ethylene and carbon dioxide concentrations in attached fruits of pepper cultivars during ripening

SCIENTIA HORTICULTURAE, 91(1-2), 17–24.

By: L. Villavicencio n, S. Blankenship n, D. Sanders n & W. Swallow n

author keywords: ethylene; CO2; respiration; peppers; capsicum; attached fruits
Source: Web Of Science
Added: August 6, 2018

1999 journal article

Ethylene and carbon dioxide production in detached fruit of selected pepper cultivars

Journal of the American Society for Horticultural Science, 124(4), 402–406.

By: L. Villavicencio, S. Blankenship, D. Sanders & W. Swallow

Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

Robustness of group testing in the estimation of proportions

BIOMETRICS, 55(1), 231–237.

By: M. Hung* & W. Swallow*

author keywords: AIDS/HIV-1 testing; binary data; dilution effects; group testing; proportion; serial correlation
MeSH headings : AIDS Serodiagnosis / statistics & numerical data; Biometry; False Negative Reactions; HIV Seroprevalence; Humans; Models, Statistical; Proportional Hazards Models
TL;DR: The robustness of group testing for estimating proportions when the underlying assumptions of (i) no testing errors and (ii) independent individuals are violated is discussed, and group testing proved to be quite robust to serial correlation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

1989 journal article

Optimum allocation of plots to years, seasons, locations, and replications, and its application to once-over-harvest cucumber trials

Euphytica, 43(1-2), 59–68.

By: W. Swallow n & T. Wehner n

TL;DR: A general approach to optimum allocation of sampling effort is described, and applied to once-over-harvest cucumber trials, finding that efficient allocation of resources favors using more years and/ or season, with fewer locations and/or replications. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, Crossref, ORCID
Added: August 6, 2018

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