Results 21 to 30 of about 37,286 (252)

The effect application of nitrogen levels and intercropping ratios of pea (Pisum sativum) and lettuce (Lactuca sativa) [PDF]

open access: yesپژوهش‌های حبوبات ایران, 2019
Introduction    The practice of growing two or more crops simultaneously in the same field is called intercropping and it is a common feature in traditional farming of small landholders. It provides farmers with a variety of returns from land and labour,
Elham Raftari   +3 more
doaj   +1 more source

Exploring the Potential of Lettuce (Lactuca sativa L.) as an Early Crop in Florida’s Sandy Soils

open access: yesHortScience, 2020
Lettuce (Lactuca sativa L.) is planted in Florida starting late fall at the end of September and continuing through the last harvest in May. In recent years, the season has shortened because of warm temperatures and weather-related events, such as ...
Gustavo F. Kreutz   +3 more
doaj   +1 more source

Development, Verification, and Analysis of Simple Mathematical Model of Lettuce Productivity under Different Light Conditions

open access: yesHorticulturae, 2023
Lettuce is an important agricultural plant which is often cultivated under artificial illumination including light of light emitting diodes (LEDs). Spectrum and intensity of used illumination and duration of photoperiod can strongly influence a final ...
Ekaterina Sukhova   +4 more
doaj   +1 more source

A pilot study on the lettuce and cucumber mixed cultivation in a recirculated aquaponics system [PDF]

open access: yesInnovations in Agriculture, 2020
Lettuce and cucumber are two essential salad ingredients that must be included for the dish to be complete. In the current study, we carried out a small pilot study on the co-cultivation of lettuce and cucumber in an effective aquaponics system.
Radhakrishnan Subramanian
doaj   +3 more sources

Effects of hyperaccumulator plant straw on biomass and cadmium accumulation of lettuce [PDF]

open access: yesE3S Web of Conferences, 2019
To study the effects of hyper-accumulator plant straw on the biomass and cadmium (Cd) accumulation of lettuce (Lactuca sativa), the pot experiments were conducted to study the effects of straw application of three hyper-accumulator plants (Solanum nigrum,
Liang Le   +5 more
doaj   +1 more source

Lettuce Infectious Yellows Tolerance in Lettuce

open access: yesJournal of the American Society for Horticultural Science, 1986
Abstract Lettuce ( Lactuca sativa L.) cultivars and breeding lines differed in tolerance to lettuce infectious yellows virus. Correlations of symptom severity in field tests with fresh weight of control plants in a greenhouse test indicate a relationship between symptom ...
James D. McCreight   +2 more
openaire   +1 more source

Lettuce contact allergy [PDF]

open access: yesContact Dermatitis, 2015
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   +3 more sources

Root-applied glycinebetaine controls nitrate content and edible quality of lettuce in continuous commercial hydroponic greenhouse production

open access: yesFrontiers in Sustainable Food Systems, 2023
Lettuce (Lactuca sativa L.) may accumulate high amounts of nitrate NO3− in hydroponic cultivation, such as in the Nutrient Film Technique (NFT) system.
Jenni Uusitupa   +4 more
doaj   +1 more source

The Effect of Head Lettuce (Lactuca sativa var. capitata L.) Cultivation Under Glass with a Light Spectrum-Modifying Luminophore on Crop Traits

open access: yesAgronomy
The present study aimed to evaluate crop characteristics, including morpho-anatomical features and nutritional and health-promoting composition, of head lettuce cultivated in greenhouses covered with transparent glass (control) and glass containing a red
Barbara Tokarz   +9 more
doaj   +1 more source

Miniature Head Lettuce Yield and Anthocyanin Concentration under High Tunnels and the Field in Georgia

open access: yesHortTechnology, 2021
This study evaluated the yield of eight miniature lettuce (Lactuca sativa) cultivars (i.e., mini-lettuce) grown under organically managed high tunnels compared with a field system during two spring seasons in Georgia.
Suzanne O’Connell
doaj   +1 more source

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