Works (46)

2018 journal article

Effects of carbon dioxide and photosynthetic photon flux on mineral content in chrysanthemum allowing for growth as a covariate

HortScience, 53(1), 73–77.

By: C. Niedziela, M. Depa, P. Nelson, D. Willits, M. Peet, D. Dickey, N. Mingis

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

2014 journal article

Transpired solar collector duct for tempering air in North Carolina turkey brooder barn and swine nursery

Solar Energy, 102, 308–317.

By: C. Love, S. Shah, J. Grimes & D. Willits

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

2011 journal article

Ammonia emissions from broiler cake stockpiled in a naturally ventilated shed

Transactions of the ASABE, 54(5), 1893–1904.

By: H. Yao, S. Shah, D. Willits, P. Westerman, L. Li & T. Marshall

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

2009 journal article

Thermal modeling of greenhouse aquaculture raceway systems

Aquacultural Engineering, 41(1), 1–13.

By: S. Li, D. Willits, C. Browdy, M. Timmons & T. Losordo

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

2008 journal article

An An experimental evaluation of thermal stratification in a fan-ventilated greenhouse

Transactions of the ASABE, 51(4), 1443–1448.

By: S. Li & D. Willits

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

2008 journal article

Comparing low-pressure and high-pressure fogging systems in naturally ventilated greenhouses

Biosystems Engineering, 101(1), 69–77.

By: S. Li & D. Willits

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

2008 journal article

Modeling thermal stratification in fan-ventilated greenhouses

Transactions of the ASABE, 51(5), 1735–1746.

By: S. Li & D. Willits

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

2004 journal article

Assessment of swine waste bioremediation using greenhouse tomatoes

Acta Horticulturae, 633, 415–423.

By: K. Ponce, M. Peet, C. Harlow, J. Cheng & D. Willits

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

2004 journal article

Heat pumps for the heating and night-cooling of greenhouse crops: A simulation study

Transactions of the ASAE, 47(2), 575–584.

By: D. Willits & Y. Gurjer

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

2004 conference paper

Swine wastewater treatment and reclamation

In Progress on bioproducts processing and food safety, selected papers from the 1st International Conference of CIGR section VI on bioproducts processing and food safety, Beijing, China, 11-14 October 2004 (Vol. 1).

By: J. Cheng, M. Peet & D. Willits

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

2004 journal article

Utilization of treated swine wastewater for greenhouse tomato production

Water Science and Technology, 50(2), 77–82.

By: J. Cheng, T. Shearin, M. Peet & D. Willits

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

2003 conference paper

Ambient temperature anaerobic digester and greenhouse for swine waste treatment and bioresource recovery at Barham farm

In Proceedings : North Carolina Animal Waste Management Workshop : Oct. 16-17, 2003, Sheraton Imperial Hotel, Research Triangle Park, North Carolina.

By: J. Cheng, M. Peet & D. Willits

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

2003 journal article

Cooling fan-ventilated greenhouses: A modelling study

Biosystems Engineering, 84(3), 315–329.

By: D. Willits

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

2003 journal article

The The effect of cloth temperature on the cooling efficiency of shade cloths in greenhouses

Transactions of the ASAE, 46(4), 1215–1221.

By: D. Willits

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

2003 conference paper

Utilization of nutrients in anaerobically-pretreated swine wastewater for greenhouse tomato production

In Animal, Agricultural and Food Processing Wastes IX : proceedings of the Ninth International Symposium, 12-15 October, 2003, Raleigh, North Carolina.

By: T. Shearin, J. Cheng, M. Peet & D. Willits

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

2003 conference paper

Utilization of treated swine wastewater for greenhouse tomato production

In Wastewater reclamation and reuse IV : selected proceedings of the 4th International Symposium on Wastewater Reclamation and Reuse, held at Mexico City, 12-14 November 2003 (Vol. 4).

By: J. Cheng, T. Shearin, M. Peet & D. Willits

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

2003 conference paper

Utilizing a greenhouse tomato crop to recover bio-resources from swine waste

In Proceedings of the ASHS centennial conference (Providence, Rhode Island).

By: C. Harlow, M. Peet, A. Ponce, J. Cheng, D. Willits & M. Casteel

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

2003 conference paper

Waste heat utilization in a greenhouse used for the removal of nutrients from a swine waste stream

In ASAE annual International Meeting 2003, Las Vegas : The Riviera Hotel, July 27-30, 2003 (Vol. 034043).

By: D. Willits, J. Marbis, J. Cheng, M. Peet & T. Shearin

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

2002 conference paper

Preliminary assessment of swine waste bioremediation using greenhouse tomatoes

In XXVIth International Horticultural Congress & Exhibition (IHC 2002) : horticulture : art & science for life : Metro Toronto Convention Centre, August 11-17, 2002.

By: K. Ponce, M. Peet, J. Cheng, C. Harlow & D. Willits

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

2001 conference paper

Bioremediation of swine waste using greenhouse tomatoes: a systems approach

In 98th Conference of the American Society for Horticultural Science.

By: M. Peet, K. Ponce, D. Willits & J. Cheng

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

2001 conference paper

Integrated farming for sustainable agriculture.

In Proceedings of the International Conference for Agricultural Science and Technology (Beijing, China).

By: J. Cheng, M. Peet, D. Willits & J. Pace

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

2001 journal article

Measurement of chlorophyll fluorescence as a heat stress indicator in tomato: Laboratory and greenhouse comparisons

Journal of the American Society for Horticultural Science, 126(2), 188–194.

By: D. Willits & M. Peet

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

2001 journal article

The The effect of cloth characteristics on the cooling performance of external shade cloths for greenhouses

Journal of Agricultural Engineering Research, 79(3), 331–340.

By: D. Willits

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

2001 conference paper

Using a greenhouse tomato crop to recover the nutrients from swine wastewater

In Proceedings of the International Symposium Addressing Animal Production and Environmental Issues.

By: J. Cheng, J. Pace, M. Peet, D. Willits & T. Shearin

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

2000 journal article

Constraints and limitations in greenhouse cooling: Challenges for the next decade

Proceedings of the International Conference and British-Israeli Workshop on Greenhouse Techniques towards the 3rd Millennium : Haifa, Israel, 5-8 September, 1999, (534), 57.

By: D. Willits

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

2000 journal article

Intermittent application of water to an externally mounted, greenhouse shade cloth to modify cooling performance

Transactions of the ASAE, 43(5), 1247–1252.

By: D. Willits & M. Peet

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

2000 journal article

The The effect of night temperature on chrysanthemum flowering: heat-tolerant versus heat-sensitive cultivars

Scientia Horticulturae, 83(3/4), 325–330.

By: D. Willits & D. Bailey

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

1999 journal article

Using chlorophyll fluorescence to model leaf photosynthesis in greenhouse pepper and tomato

Acta Horticulturae, (507), 311.

By: D. Willits & M. Peet

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

1998 journal article

Developing relationships between environmental variables and stem elongation in chrysanthemum

Transactions of the ASAE, 41(3), 825–832.

By: B. Jacobson & D. Willits

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

1998 journal article

Pot soil air composition in conditions of high soil moisture and its influence on chrysanthemum growth

Scientia Horticulturae, 73(2-3), 125–136.

By: Z. Strojny, P. Nelson & D. Willits

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

1998 journal article

Response of ovule development and post-pollen production processes in male-sterile tomatoes to chronic, sub-acute high temperature stress

Journal of Experimental Botany, 48(306), 101–111.

By: M. Peet, D. Willits & R. Gardner

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

1998 journal article

The The effect of night temperature on greenhouse grown tomato yields in warm climates

Agricultural and Forest Meteorology, 92(3), 191–202.

By: D. Willits & M. Peet

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

1994 journal article

Misting external shade cloths. Part I: Relief from the heat?

North Carolina Flower Growers' Bulletin, 39(2), 1.

By: D. Willits & M. Peet

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

1994 journal article

Misting external shade cloths. Part II: Does it matter what kind of cloth?

North Carolina Flower Growers' Bulletin, 39(6), 1.

By: D. Willits

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

1994 journal article

Night cooling as a means of improving warm weather chrysanthemum production: The effect of night temperature on growth and flower development in mums

Paper (American Society of Agricultural Engineers), (944072), 12.

By: D. Willits & D. Bailey

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

1993 journal article

Greenhouse cooling

North Carolina Flower Growers' Bulletin, 38(2), 15.

By: D. Willits

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

1993 journal article

The effect of evaporative cooling on the efficiency of external greenhouse shade cloths

Paper (American Society of Agricultural Engineers), (93-4042), 13.

By: D. Willits & M. Peet

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

1992 journal article

Modeling nutrient uptake in chrysanthemum as a function of growth rate

Journal of the American Society for Horticultural Science, 117(5), 769.

By: D. Willits, P. Nelson, M. Peet, M. Depa & J. Kuehny

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

1992 journal article

Nighttime cooling using heat pumps in warm-weather greenhouse tomato production

Paper (American Society of Agricultural Engineers), (92-4005), 11.

By: D. Willits & M. Peet

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

1991 journal article

A model for greenhouse cooling

Paper (American Society of Agricultural Engineers), (91-4041), 24.

By: D. Willits, I. Ahmad & M. Peet

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

1991 journal article

Greenhouse engineering research at NCSU

North Carolina Flower Growers' Bulletin, 36(4).

By: D. Willits

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

1991 journal article

Greenhouse shading

North Carolina Flower Growers' Bulletin, 36(6), 8.

By: D. Willits

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

1990 journal article

Modulation of nutrient uptake in chrysanthemum by irradiance, CO2, season and developmental stage

Monograph (British Society for Plant Growth Regulation), (20), 59.

By: D. Willits, M. Peet, M. Depa, J. Kuehny & P. Nelson

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

1989 journal article

Predicting yield responses to different greenhouse CO2 enrichment schemes: Cucumbers and tomatoes

Agricultural and Forest Meteorology, 44(3-4), 275.

By: D. Willits & M. Peet

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

1980 journal article

A A microprocessor-based control system for greenhouse research: Part I. Hardware

Transactions of the ASAE, 23(3), 688.

By: D. Willits, T. Karnoski & W. McClure

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

1975 journal article

Heating greenhouses with solar energy

North Carolina Flower Growers' Bulletin, 19(5), 1.

By: D. Willits

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