Uppsatser om fotoperiod

2 uppsatser

Ljusets betydelse för rotknoppars groningsvillighet i åkermolke (Sonchus arvensis L.)

Kandidatuppsats · SLU

This study is about how changed light conditions induce dormancy in plants. It is divided in two parts. First a literature study where quantification of light, the concept dormancy, photoperiod and light quality are discussed. Second an experimental part, where the importance of …

The cow eye-Function and effect of light on milk yield

Kandidatuppsats · SLU

The purpose of this review was to study the cow eye physiology, focusing on how it registers light, and to see how light affects the cow’s milk yield. It has been showed in studies that more hours of light per day (16 hours of light a day) as opposed to about 9-12 hours of light …