Results 31 to 40 of about 1,179,193 (165)

Growth and Nutrient Element Content of Hydroponic Lettuce are Modified by LED Continuous Lighting of Different Intensities and Spectral Qualities

Agronomy, 2020
LED red (R) and blue (B) continuous light (CL) is a potential efficient way to increase plant productivity of plant factory with artificial light (PFAL), but limited information was explored about their effects on plant mineral nutrition.
Wenke Liu, Lingyan Zha, Yubin Zhang
doaj   +1 more source

Effects of photoperiod length and light intensity on performance, carcass characteristics and heterophil to lymphocyte ratio in broilers [PDF]

Kafkas Universitesi Veteriner Fakültesi Dergisi, 2017
The aim of this study was to investigate the effects of photoperiod length and light intensity on performance, carcass characteristics and heterophil to lymphocyte ratio in broilers.
DERELİ FİDAN E, NAZLIGÜL A, TÜRKYILMAZ MK, KARAARSLAN S, KAYA M   +4 more
doaj   +1 more source

Growth and development of soybean under changing light environments in relay intercropping system [PDF]

PeerJ, 2019
Background Maize-soybean relay-intercropping (MSR) is a famous system of crop production in developing countries. However, maize shading under this system directly affects the light quality and intensity of soybean canopy.
Muhammad Ali Raza, Ling Yang Feng, Nasir Iqbal, Mukhtar Ahmed, Yuan Kai Chen, Muhammad Hayder Bin Khalid, Atta Mohi Ud Din, Ahsin Khan, Waqas Ijaz, Anwaar Hussain, Muhammad Atif Jamil, Muhammd Naeem, Sadam Hussain Bhutto, Muhammad Ansar, Feng Yang, Wenyu Yang   +15 more
doaj   +2 more sources

Injuries to the Eye Caused by Intense Light [PDF]

Science, 1902
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openaire   +7 more sources

Light-by-light scattering in intense lasers [PDF]

Proceedings of International Conference on the Structure and the Interactions of the Photon including the 20th International Workshop on Photon-Photon Collisions and the International Workshop on High Energy Photon Linear Colliders — PoS(Photon 2013), 2014
We present results of calculations for measuring the process of real photon-photon scattering using modern intense lasers. When a 10 PW beam is split into two colliding pulses, we show that the elastic process is in principle measurable at upcoming laser facilities.
openaire   +1 more source

Review: The influence of light on pig welfare

Animal
While several countries impose minimum light requirements for pig housing, it remains unknown whether these requirements are beneficial for pig welfare. Therefore, we aim to review the current knowledge on the effects of light on pig welfare.
A.J. Scaillierez, S.E. van Nieuwamerongen - de Koning, I.J.M.M. Boumans, P.P.J. van der Tol, E.A.M. Bokkers   +4 more
doaj   +1 more source

Light regulates the synthesis and accumulation of plant secondary metabolites

Frontiers in Plant Science
Secondary metabolites are low-molecular-weight organic compounds produced by plants under specific conditions. While they are not directly involved in fundamental growth and developmental processes, they play crucial roles in plant defense, protection ...
Wenyuan Wu, Huan Wu, Rentao Liang, Shiping Huang, Luxiao Meng, Miao Zhang, Miao Zhang, Miao Zhang, Miao Zhang, Fengfeng Xie, Fengfeng Xie, Fengfeng Xie, Fengfeng Xie, Hua Zhu, Hua Zhu, Hua Zhu, Hua Zhu   +16 more
doaj   +1 more source

CULTIVATION OF THREE LETTUCE VARIETIES UNDER LOW LIGHT INTENSITY CONTROLLED ENVIRONMENT IN TROPICAL URBAN AREA

Revista de Agricultura Neotropical
Lettuce (Lactuca sativa) is a leafy vegetable that is widely consumed due to its high nutritional content. The growth and yield of lettuce plants are significantly influenced by light intensity.
Fitri Ramadhani, Benyamin Lakitan, Rujito Agus Suwignyo, Susilawati, Umar Harun, Yakup   +5 more
doaj   +1 more source

Light intensity preferences of broiler chickens: implications for welfare

Animal, 2019
There is considerable debate as to the optimal light intensities for growing chickens. This is influencing regulations and industry practices. The present study examines the preference of broiler chickens for light intensity.
M. Raccoursier, Y.V. Thaxton, K. Christensen, D.J. Aldridge, C.G. Scanes   +4 more
doaj   +1 more source

Changes in testosterone levels after inadequate solar light

Asian Journal of Surgery, 2023
Xiao-Lei Yin, Xiu-Xin Li, Jing-Lei Shi, Xue-Mei Liang   +3 more
doaj   +1 more source