scholarly journals Tomato hybrids recommended for growing in photoculture conditions

2021 ◽  
pp. 71-77
Author(s):  
V. G. Korol

Relevance. The most important influence on the yield, the timing of growing vegetables in greenhouses and the cost of the resulting crop, in addition to the arrival of solar radiation, is exerted by the presence of a system of artificial lighting in greenhouses and its capacity.It is no exaggeration to say that today artificial lighting in greenhouses is more effective than natural lighting. So, to obtain one kilogram of vegetables using artificial lighting, it is necessary to spend 4.5-5.0 thousand J/cm2, and in the case of natural lighting: 5.0-6.5 thousand J/cm2. This is due to the fact that when using artificial lighting in the greenhouse, we create the most comfortable growing conditions for the plants. Of course, every culture, every hybrid requires its own illumination parameters, so you should not try to formulate what the ideal artificial lighting will be. Proper lighting means getting the maximum yield from your crops at the lowest cost. An increase in the productivity of plants when grown under photoculture conditions occurs not only due to an increase in the lighting power per unit area of greenhouses, but also due to correctly selected hybrids. The cultivated hybrid is one of the most important criteria for both increasing its productivity and improving the quality of the fruit. But not all tomato hybrids recommended by breeding companies for growing under artificial lighting are ideal for such conditions.Methods. The methods used in agronomic science were used. The information base of the research was made up of reference materials from specialized publications on the subject under study (catalogs of breeding companies); materials received from participants in the greenhouse vegetable market (breeding companies, greenhouse plants); own research, articles and reviews in specialized journals.Results. Correctly selected tomato hybrids provide a significant increase in productivity in greenhouses, an improvement in fruit quality and a balanced cultivation technology under these conditions. An assortment of recommended tomato hybrids for growing in photoculture conditions is presented, an analysis of their advantages and disadvantages is made, and the main requirements for hybrids for these conditions are formulated.

2021 ◽  
pp. 32-38
Author(s):  
V. G. Korol

For plants, light is a determining factor in growth and development. The use of artificial lighting in greenhouses has a huge impact on the yield, cost and timing of the receipt of vegetable products. The development of light culture in the country allows greenhouse complexes to use their greenhouses year-round, significantly increase plant productivity, receive most of the harvest in the winter months of the year and sell it at a higher price. The use of artificial light made it possible to increase the yield of the cucumber crop to 200 kg from 1 m2 or more. From the economic point of view, the cucumber culture is most effective in greenhouses. Russia is a cucumber country, more than half of the protected ground area is occupied by this crop. And photoculture in greenhouses began with the cultivation of a cucumber crop. Today we say with confidence that artificial lighting in greenhouses is more efficient than natural lighting. So to get one kilogram of vegetables using artificial lighting, it is necessary to spend 4.5-5.0 thousand J/cm2, and in the case of using natural light – 5.0-6.5 thousand J/cm2. This can be explained by the fact that in the conditions of using artificial lighting in cultivation facilities, we strive to create the most comfortable growing conditions for plants. An increase in the yield of cucumber crops under artificial lighting occurs mainly due to an increase in the lighting power per unit area of greenhouses to 220 W/m2and more. However, this is not the only way to increase yields. One of the most important criteria for increasing yields and improving the quality of fruits is the choice of the grown hybrid. Cucumber hybrids for cultivation under light culture conditions will be discussed in this work.The methods used in agronomic science were used. The information base of the research was made up of reference materials from specialized publications on the subject under study (catalogs of breeding companies); materials received from participants in the greenhouse vegetable market (breeding companies, greenhouse plants); own research, articles and reviews in specialized journals.Correctly selected cucumber hybrids provide a significant increase in yields in greenhouses, an improvement in fruit quality and a balanced cultivation technology in specific conditions. An assortment of recommended cucumber hybrids for cultivation under photoculture conditions is presented, an analysis of their advantages and disadvantages is made, and the main requirements for hybrids for these conditions are formulated.


NALARs ◽  
2016 ◽  
Vol 15 (2) ◽  
pp. 131
Author(s):  
Saeful Bahri ◽  
Ari Widyati Purwantiasning

ABSTRACT One of the problems that occurs within city centres, particularly within capital cities, is the existence of many historical old buildings. Historical old buildings within city centres, that have abandoned for years because of their condition, suffer from a lack of utilities, infrastructure and facilities [2][3]. These conditions occur because of low levels of maintenance arising as a consequence of a lack of finance of the owner of a building, be they government or private sector. To solve the problem of abandoned historical old buildings, the concept of adaptive reuse can be adopted and applied. This concept of adaptive reuse may continously cover the cost of building maintenance. The adaptive reuse concept usually covers the interior of a building and its utilities, though the need for utilities depends on the function of a building [4]. By adopting a concept of adaptive reuse, new building functions will be designed as the needs and demand of the market dictate, and which is appropriate for feasibility study. One utility element that has to be designed for historical old buildings is the provision of lighting within a building. To minimize the cost of building maintenance, one of the solutions is to optimize natural lighting and to minimize the use of artificial lighting such as lamps. This paper will discuss the extent to which artificial lighting can be minimized by using automatic lighting; the automatic lighting types discussed in this paper are lighting controlled by motion sensor and lux sensor.Keywords: Natural lighting, automatic lighting, motion sensor, lux sensor, historical old buildingsABSTRAK Salah satu permasalahan yang muncul dalam sebuah kota metropolitan, khususnya sebuah ibukota adalah keberadaan dari banyaknya bangunan-bangunan tua bersejarah. Bangunan-bangunan tua bersejarah dalam sebuah kota besar terutama yang diabaikan selama bertahun-tahun biasanya disebabkan karena kondisinya yang menua, minimnya utilitas bangunan, infrastruktur bangunan dan juga fasilitas-fasilitas yang mendukungnya [2][3]. Kondisi ini muncul karena rendahnya tingkat pemeliharaan yang biasanya muncul sebagai akibat dan konsekuensi karena minimnya dana anggaran dari pihak pemilik bangunan baik pemerintah daerah, pusat maupun sector swasta. Untuk mengatasi masalah ini, konsep adaptive reuse dapat diadopsi dan diaplikasikan pada kawasan yang memiliki bangunan-bangunan tua bersejarah ini. Konsep adaptive reuse dapat secara berkelanjutan memenuhi dan mengatasi permasalahan pemeliharaan bangunan dalam hal finansial. Konsep ini biasanya meliputi ruang dalam bangunan dan utilitas yang ada di dalam bangunan tersebut tergantung dari kebutuhan dan fungsi dari bangunan yang akan diaplikasikan konsep tersebut [4]. Dengan mengadopsi konsep adaptive reuse, fungsi bangunan baru dapat direncanakan sesuai kebutuhan dan permintaan pasar sehingga sesuai dengan studi kelayakan yang dilakukan. Salah satu elemen utilitas bangunan yang dapat dirancang untuk bangunan-bangunan tua bersejarah adalah kebutuhan pencahayaan di dalam sebuah bangunan. Untuk meminimalisir biaya pemeliharaan bangunan, salah satu solusinya adalah dengan mengoptimalkan pencahayaan alami dan meminimalisir penggunaan cahaya buatan seperti lampu. Tulisan ini akan mendiskusikan seberapa jauh pencahayaan buatan dapat diminimalisir dengan menggunakan pencahayaan otomatis, dimana dalam tulisan ini akan dibahas mengenai control pencahayaan dengan menggunakan motion sensor atau sensor gerak dan lux sensor atau sensor cahaya.Kata Kunci: pencahayaan alami, pencahayaan otomatis, motion sensor, lux sensor, bangunan tua bersejarah


2021 ◽  
Vol 234 ◽  
pp. 00035
Author(s):  
Loubna Zogaam Gharbi ◽  
Morad Guennouni ◽  
Mahjoub Aouane

The article looks at the different factors that go into the subject of buying food products in Morocco. The latter, is undergoing a food transformation affecting the urban and rural environment. The recent changes in the choice of purchasing products by Moroccan citizens have created in the country a favorable framework for the development of territorial products. This is a descriptive study based on a questionnaire and conducted over a period of 2 months, subjects with a sample size of 180 respondents are randomly recruited on social networks. The results show that consumers are now interested in where they buy food, the quality of the products and the cost/quality ratio in these places. This study also states that despite the importance of product price to the consumer, quality is the factor most sought after by the consumer. This leads to an obligation on the part of consumers to industrialists to integrate food products with high nutritional values and to use ingredients that do not cause a danger to human health.


2017 ◽  
Vol 17 ◽  
pp. 351-359
Author(s):  
О. S. Obolentseva-Krasivska

Flowers, ornamental plants, planting material (saplings) and other plants with regard to which the market with possibility of carrying out independent adequate marketing was formed, are the subject of evaluation by the experts in field of forensic merchandising. With the development of the market and market relations such goods as flowers, planting material and others are increasingly encashed in the market of Ukraine and become the objects of forensic merchandising examinations and expert researches. Special feature of merchandising researches of the plant origin objects is the use of the comprehensive approach to the estimation of their quality and cost. Researches are carried out with the purpose of determination of properties, consumer value, conformity to standards and specifications of plants certain kinds. When studying a considerable variety of flower plants, one distinguishes scientific and industrial classifications. In merchandising flowers industrial classification of flower ornamental plants which provides distribution of flower plants to the separate groups similar on biological properties, the agricultural technician of cultivation and practical application in gardening is used. During carrying out merchandising examinations on an establishment of consumer properties of certain kinds plants, namely establishments organoleptic indicators of quality and quantity of flower decorative production given for research, the expert checks conformity of this production to requirements of normative and technical documents. Requirements to quality of flower production are normalised by standards depending on production kind – cutf lowers, pottery blossoming plants, pottery decorative sheet plants, sprouts of flower decorative production, planting material, seeds of flower ornamental plants. At carrying out merchandising researches of flower decorative production, plants and saplings it’s necessary for merchandising experts to pay special attention on definition of quality indicators and a grade of plants according to standards, and also to consider data concerning age of a plant, novelty of a grade and origin country of production.


2018 ◽  
Vol 20 (4) ◽  
pp. 232-236
Author(s):  
M V Gavshchuk ◽  
A V Gostimsky ◽  
A N Zavyalova ◽  
I M Barsukova ◽  
I V Karpatsky ◽  
...  

The article analyzes the world experience in methods of applying of stomach nutritional fistula. Different methods of gastrostomy are described, their classification is given. The advantages and disadvantages of common surgeries are outlined. The most often used traditional surgeries are: gastrostomy by Stamm, Topver and tubular gastrostomy. Complication rate of these operations led to a further search for minimally invasive techniques: percutaneous puncture, laparoscopic gastrostomy, and laparoscopically- assisted percutaneous endoscopic gastrostomy. A significant disadvantage of minimally invasive puncture techniques is the need to purchase relatively expensive disposable sets for primary installation and replaceable low profile tubes. The cost of these supplies in Russia is much higher than the money allocated in the obligate medical insurance system, which makes the method economically unprofitable for medical institutions and patients. Partially, the costs could be reduced by the use, as a gastrostomy tube, a Foley urinary catheter. There are several studies that have confirmed economic advantages and absence of a reliable difference in the number of complications and duration of use such tubes. However, some complications are reported: migration of catheter into the duodenum with the development of obstruction, decreased comfort and quality of life. The conducted study showed absence of classification of gastrostomy types and their complications. The final consensus in clinical use of different types of gastrostomy in different situations is absent. There is a tendency to decrease rate of traditional laparotomical operations in favor of less invasive interventions making it difficult for adequate analyzing. In cases with need for revision, biopsy and fundoplication, laparoscopic or laparoscopically-assisted percutaneous endoscopic gastrostomies are preferred which has proven itself in children. For a group of palliative patients of elderly age with high risk and doubtful prognosis, minimally invasive puncture gastrostomes are more appropriate.


Author(s):  
L.A. Nemenushchay ◽  

The promising areas of technological support of compound feed production facilities have been established. The main specifications and advantages and disadvantages of promising types of technical equipment are indicated. Projects of industrial and scientific institutions in the field of feed production that allow reducing the cost and improving the quality of the finished feed have been selected. The main areas of improving technological support using domestic equipment are highlighted.


Author(s):  
Douglas E. Dow ◽  
Yukio Horiguchi ◽  
Yoshiki Hirai ◽  
Isao Hayashi

Sleep apnea and other sleeping disorders impair health and quality of life. Polysomnography is the primary method for diagnosis, but involves cost and utilization of medical resources, which limit access for potential patients. The clinical environment and sensors of polysomnography hinder typical sleep patterns in many individuals, thus degrading the analysis. Sensors suitable for at-home monitoring of sleep have recently become available. At-home monitoring of sleep may improve diagnosis due to increased familiarity for sleeping and ability for multiple sleep sessions, as well as lowering the cost. However, more robust algorithms would be needed to partially compensate for the less controlled conditions and sensor systems. A mat with a grid of force sensors has become available. This study was developing a state machine algorithm to analyze the activity at multiple force sensors of a mat while the subject was lying in supine position on the mat and undertaking natural, rhythmic respiration. The algorithm monitored the subset of active sensors to detect potential respiratory cycles. The similarity of the timing of the detected cycles between different sensors was used to determine the overall pattern of respiratory activity for the subject. Reliable detection of timing for respiratory cycles would be useful for detection of sleep apnea events.


2017 ◽  
Vol 2017 ◽  
pp. 1-11 ◽  
Author(s):  
Tânia M. Bovolenta ◽  
Sônia Maria Cesar de Azevedo Silva ◽  
Roberta Arb Saba ◽  
Vanderci Borges ◽  
Henrique Ballalai Ferraz ◽  
...  

Parkinson’s disease (PD) is the second most prevalent neurodegenerative disease worldwide, affecting more than four million people. Typically, it affects individuals above 45, when they are still productive, compromising both aging and quality of life. Therefore, the cost of the disease must be identified, so that the use of resources can be rational and efficient. Additionally, in Brazil, there is a lack of research on the costs of neurodegenerative diseases, such as PD, a gap addressed in this study. This systematic review critically addresses the various methodologies used in original research around the world in the last decade on the subject, showing that costs are hardly comparable. Nonetheless, the economic and social impacts are implicit, and important information for public health agents is provided.


2019 ◽  
pp. 42-46
Author(s):  
Saswatik Tripathy ◽  
Avijit Kr. Dutta

Brinjal is a crop grown widely all over India and preferred by both rich and poor. The Chhotanagpur plateau of Jharkhand is famous for quality vegetable production and brinjal is very commonly grown in this region almost throughout the year. However, the most of the commercial growers using plant protection chemicals and synthetic fertilizers those are so expensive that poor farmers can’t afford. The extensive uses of agro-chemicals and synthetic fertilizers also reduce the quality of both the produce and the cultivated soil. In this context, an attempt has been made through the present investigation by growing different varieties of brinjal by adopting Vedic (Enriched Sanjeevani) Farming and Homa Induction (Agnihotra) techniques with their respective four non-chemical alternative growing approaches, viz.  E1C1: Enriched Sanjeevani (1%), E1C2: Absolute Control (inherent fertility status of the experimental plot); E2C1: Enriched Sanjeevani (1%) + Homa Induction (Agnihotra), and E2C2: Only Homa Induction (Agnihotra). Five varieties of the crop, viz. V1: Swarna Pratibha; V2: Swarna Neelima; V3: Swarna Shakti; V4: Mukta Jhuri; V5: Long Green were grown with their four replications under four growing conditions and the Randomized Completed Block Design was adopted for field trials. Different growth, yield and quality attributing characters of the crop were taken into account and findings revealed that E2C1: Enriched Sanjeevani (1%) + Homa Induction (Agnihotra) was the most suitable growing condition for V2 (Swarna Neelima) with the maximum yield (72.37 t ha-1). Different growth and yield attributes of the crop varieties (especially in the case of V2: Swarna Neelima) were highly influenced by Enriched Sanjeevani (1%) + Homa Induction (Agnihotra) [E2C1] growing condition resulting higher benefit cost ratio of 6.78. Quality contributing attributes were also highly influenced by homa induction (Agnihotra), as a consequence, higher level of dry matter, TSS, and ascorbic acid contents were estimated from almost all samples collected from E2C1: Enriched Sanjeevani (1%) + Homa Induction (Agnihotra), and E2C2: Only Homa Induction (Agnihotra) growing conditions.


2020 ◽  
pp. 60-64
Author(s):  
T. G. Koleboshina ◽  
D. S. Shaposhnikov

Relevance. The determining value in modern melon production is to increase the yield and market yield of environmentally friendly products at minimum costs for the cultivation of melons. For the development of the melon industry in the agro-industrial complex of the Russian Federation, the scientific search for technological solutions aimed at creating conditions for increasing the yield and quality of melon products becomes urgent. Materials and methods. The object of research-melon, variety autumn. The types and doses of water-soluble fertilizers were studied: vegetable Aquarin, Novalon Foliar, and Hakafos. Fertilizers were used to treat plants during the growing season.Results.Studies have established a high effect of the use of water-soluble fertilizers on vegetating plants, which allow eliminating adverse environmental factors. The yield from the use of water-soluble fertilizers in melon cultivation technology for the years of studies is 31.3 86.7% higher compared to the control variant (without treatments). In more favorable climatic conditions of the year, the maximum yield was obtained in the variant with the use of Hakafos in a half dose, which had a more balanced content of nutrients compared to other studied water-soluble fertilizers –15.5 t/ha, which is 21.1% more compared to the minimum dose, 42.2% more compared to the treatment of plants with water and 1.8 times more compared to pure control. In the dry conditions of 2019 and lower air temperatures during the ripening period, a similar trend was noted. Comparative analysis of the biochemical composition of fruits showed that water-soluble fertilizers do not have a negative impact on the environmental purity of the product, the amount of nitrates for all years of research did not exceed the MPC (90 mg/kg). Studies have determined the positive effect of water-soluble fertilizers on improving the quality of fruits, the content of dry substances, one of the main indicators, in the study periods, exceeds this indicator in the control version (without treatments). 


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