Nutrient Requirements for Lettuce Transplants Using a Floatation Irrigation System II. Potassium
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چکیده
منابع مشابه
effect of humic acid growth and nutrient uptake of lettuce using nft system
abstract beneficial effects of humic substances on plant growth have been recognized by many researchers. a greenhouse experiment was conducted with humic acid (0, 20 and 50 mg/l) on lettuce cultivars ‘lollorossa’ and ‘javelina’ using completely randomized design at university of guilan. results showed that humic acid affected (p<5%) leaf number, height and nutrient uptake as well as ca, p and ...
متن کاملTrace determination and separation of tin (II) by floatation-spectrophotometric using kalmagyte and CTAB
ABSTRACTA novel floatation-spectrophotometric extraction method was developed for the recovery of tin (II) from aqueous samples prior to determination by UV spectrophotometric detection. The method is based on the formation of a complex between tin (II) and kalmagyte in pH=8. The complex is floated in the interface of n-hexane and aqueous phases. After removing the aqueous phase, the floated pa...
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Introduction: Nowadays, smart systems and advanced tools such as wearable systems have grown significantly in order to monitor patients and keep their condition under control. The aim of this study was to determine the requirements for designing a wearable smart blanket system (WSBS) to monitor patients in ambulance instantaneously. Method: After reviewing the characteristics of wearable system...
متن کاملIrrigation with industrial wastewater activates antioxidant system and osmoprotectant accumulation in lettuce, turnip and tomato plants.
We focused on the impact of industrial wastes on the water quality of the El-Amia drain in Egypt and the effect of irrigation with industrial wastewater on the growth, cell membranes, photosynthetic pigment content, the antioxidant system and selected osmoprotectants (proline, total amino nitrogen and soluble sugars) in three crop plants: turnip, tomato and lettuce. Furthermore, the present wor...
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ژورنال
عنوان ژورنال: HortScience
سال: 2001
ISSN: 0018-5345,2327-9834
DOI: 10.21273/hortsci.36.6.1071