Results 11 to 20 of about 62,764 (304)
Effect of population density of lettuce intercropped with rocket on productivity and land-use efficiency [PDF]
The objective of this study was to evaluate the influence of the spacing of lettuce rows on the production of a lettuce-rocket intercropping system over two growing seasons (11 August to 25 September 2011 and 12 January to 24 February 2012) in ...
Arthur Bernardes Cecilio Filho +2 more
exaly +2 more sources
Occupational respiratory allergy to lettuce in lettuce farmers [PDF]
AbstractBackgroundLettuce‐associated respiratory allergy has never been reported before. The aim of this study was to clarify the clinical condition of lettuce‐associated respiratory allergy and to identify the lettuce antigen which induces allergic symptoms.MethodsWe distributed questionnaires to 1168 lettuce farmers and performed medical examinations
Reina Sekiya +18 more
openaire +3 more sources
SummaryLettuce (Lactuca sativa L.) and its varieties are important vegetable crops worldwide. They are also well‐known, rarely reported, causes of contact allergy. As lettuce allergens and extracts are not commercially available, the allergy may be underdiagnosed.
Paulsen, Evy +1 more
openaire +4 more sources
The Investigation of Plant Yield and Yield Components of Chickpea (Cicer arietinum L.) and Weight and Length of Lettuce (Lactuca sativa L.) as Affected by Application of Nitrogen Levels and Row Intercropping Ratios [PDF]
IntroductionThe main goal of conventional agriculture is to maximize both production and income. Intercropping, the agricultural practice of cultivating two or more crops in the same space at the same time, is an old and commonly used cropping practice ...
Hasan Mohammad +3 more
doaj +1 more source
Lettuce (Lactuca sativa) was grown using a foliar spray with whey protein hydrolysate (WPH) as opposed to normal nitrate fertilization. Lettuce juice was prepared from lettuce cultivated without any fertilization, nitrate fertilization, or WPH.
Ali Osman +9 more
doaj +1 more source
【Objective】The study was carried out to explore the effects of different concentrations of uniconazole in plug media on the growth and development of different varieties of lettuce seedlings.【Method】Five lettuce varieties in southern China were used to ...
Junjie WANG +8 more
doaj +1 more source
Lettuce is one of the most famous leafy vegetables worldwide with lots of applications from food to other specific uses. There are different types in the lettuce group for consumers to choose from.
Min Shi +12 more
doaj +1 more source
Observations and suggestions during COVID-19
Founded in 2019, Lettuce Harvest Foundation (LHF) is a grassroots urban agriculture nonprofit organization based in Vancouver, Canada. As an organization just launching as COVID-19 took hold, LHF’s programming has been designed to enable urban ...
Neil Cox, Zoe Beynon-MacKinnon
doaj +1 more source
Quality and Yield of Lettuce in an Open-Air Rooftop Hydroponic System
In this study, the yield and growth performance of lettuce in an open-air rooftop hydroponic system were investigated. Lettuce was grown in a closed recirculating nutrient film technique (NFT) unit using a standard nutrient solution (NS).
Maha Ezziddine, Helge Liltved
doaj +1 more source
Light is a crucial environmental signal and a form of photosynthetic energy for plant growth, development, and nutrient formation. To explore the effects of light quality on the growth and nutritional qualities of greenhouse-grown lettuce (Lactuca sativa
Zhengnan Yan +6 more
doaj +1 more source

