نتایج جستجو برای: frost protection

تعداد نتایج: 184050  

Journal: :Journal of experimental botany 2015
T M Frederiks J T Christopher M W Sutherland A K Borrell

Radiant frost is a significant production constraint to wheat (Triticum aestivum) and barley (Hordeum vulgare), particularly in regions where spring-habit cereals are grown through winter, maturing in spring. However, damage to winter-habit cereals in reproductive stages is also reported. Crops are particularly susceptible to frost once awns or spikes emerge from the protection of the flag leaf...

Journal: :Plant physiology 1964
U W Heber K A Santarius

A great number of organismiis can wvithstan(d temperatures below the freezing point of water. Many plants are even resistant against severe frosts especially during the winter months. In the late spring, during summer and in the early fall, however, they may be killed by moderate frosts. In order to gain resistance they must undergo a hardening process; in spring this resistance is lost by deha...

2013
Mark D. Aurit Robert O. Peterson Justine I. Blanford

Florida is riddled with sinkholes due to its karst topography. Sometimes these sinkholes can cause extensive damage to infrastructure and homes. It has been suggested that agricultural practices, such as sprinkler irrigation methods used to protect crops, can increase the development of sinkholes, particularly when temperatures drop below freezing, causing groundwater levels to drop quickly dur...

Journal: :Lasers in surgery and medicine 2001
B Majaron S Kimel W Verkruysse G Aguilar K Pope L O Svaasand E J Lavernia J S Nelson

BACKGROUND AND OBJECTIVE Dynamics of cryogen spray deposition, water condensation and frost formation is studied in relationship to cooling rate and efficiency of cryogen spray cooling (CSC) in combination with laser dermatologic surgery. STUDY DESIGN/MATERIALS AND METHODS A high-speed video camera was used to image the surface of human skin during and after CSC using a commercial device. The...

2000
P. F. Verdes P. M. Granitto H. D. Navone H. A. Ceccatto

Frost is the condition that exists when the temperature of the earth's surface and earthbound objects falls below freezing (0°C). These events may have serious consequences on crop production, so actions must be taken to minimize damaging effects. In particular, temperature predictions are of much help in frost protection decisions by providing the hortoculturist with warnings of critical tempe...

Journal: :Agricultural science 2023

Frost tends to be detrimental the growth and development of horticultural crops, leading yield or quality reduction with sizable economic losses. Therefore, it is very important develop frost protection technology for crops. In this study, reviewed, research mechanized in recent years analyzed. view poor effect some single technology, combination put forward. The airflow disturbance sprinkler i...

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