6. Software Hidrosical and Hidrosolun

#### 6.1. Operating the Hidrosolun software

at some point it is necessary to make a change in the formatting, the background, the format of the tables, and so on. With CSS, you can associate all of these pages with a single formatting file, so that by changing the CSS file, all HTML pages associated with it are automatically cascaded, that is, when the browser reads a style sheet format the document in accordance

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The various additions to CSS 3 are extremely useful for replacing various types of images that are used to add colors and shapes to HTML elements, which you could not do with just CSS. In addition to the reduction of files to work and the absence of external dependencies that impact on the performance of the sites, the flexibility of these properties allows several combinations, which generate different styles that offer greater simplicity when creating with CSS only [23].

HTML is the abbreviation for Hypertext Markup Language, or Hypertext Markup Language. It is not exactly a programming language, but rather a pattern for representing elements of a web page that can be viewed in a browser program. The HTML code is sent from the server to the client computer, and the client has the task of translating this code into user-readable

The code of an HTML page consists of tags called tags, which are used to identify elements present on a page, such as text with paragraphs, line breaks, links, images, tables and so on. Each of these elements has a specific tag that identifies it. The tags are represented by the character "<", followed by the specific tag name, plus the ">"character, to start tagging [18].

With the evolution of technology, new version appeared and was called HTML5 and the emergence of HTML5 has changed many things in the world of web development, with new elements, new features and several other new features that enable better experiences and integrations that were previously only wishes and dreams of the developers. Even with some features still in the process of definition, it is already possible to take advantage of many of the

A crucial point of these changes is that one can define several independent sections, each with its own hierarchy. For example, it is possible to have 2 h1 elements, each in its section; or you

with it [21].

information [18].

Example: <Html>. <Head>.

</ Head>. <Body>.

</ Body>. </ Html>.

<Title> Page title </ title>.

This is an example page. <B > This text is bold </ b>.

new features that HTML5 has brought to the world [20].

5.4. The HTML5 markup language

When accessing the system, the user will be redirected to the calculation screen of the solution (Figure 1), where you can choose the desired solution, and if you do not have any solution created, you can use the standard solution, choose the culture and the quantity of the reservoir in which the solution will be diluted, and then click next.

Figure 1. Choice of solution, culture and reservoir.

Figure 2. Choice of fertilizer containing nitrate.

In this step, as in the next, the system will present some fertilizers necessary to compose the solution, starting with nitrate (Figure 2), choose an option and click next.

The next step is to supply the solution with potassium (Figure 3), choose the desired fertilizer and click next. You can return the process if you have chosen the wrong fertilizer by clicking back.

It is possible that the fertilizers used do not meet the needs of the chosen crop, being necessary the use of other fertilizers. The system calculates and lists the fertilizers that can be used (Figure 4) to be part of the solution, after choosing click next.

After the solution calculation process, this report (Figure 5) represents the result of the calculations, with the requirements of the crop, already counting the calculation of the macronutri-

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With the possibility of generating a PDF file, just click Generate PDF. The calculations are based on nutrient solutions, which contain the amounts of nutrients that each crop needs, and knowing this, the Hidrosolun, offers an option to create nutritious solutions. On the menu bar,

ents and micronutrients in grams.

Figure 6. Creating the nutrient solution.

Figure 5. Result of the calculation.

click Create Nutrition Solution (Figure 6).

Figure 3. Choice of fertilizer containing potassium.

Figure 4. Completing the calculation of the solution.

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Figure 5. Result of the calculation.

In this step, as in the next, the system will present some fertilizers necessary to compose the

The next step is to supply the solution with potassium (Figure 3), choose the desired fertilizer and click next. You can return the process if you have chosen the wrong fertilizer by clicking back.

It is possible that the fertilizers used do not meet the needs of the chosen crop, being necessary the use of other fertilizers. The system calculates and lists the fertilizers that can be used

solution, starting with nitrate (Figure 2), choose an option and click next.

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(Figure 4) to be part of the solution, after choosing click next.

Figure 3. Choice of fertilizer containing potassium.

Figure 4. Completing the calculation of the solution.

After the solution calculation process, this report (Figure 5) represents the result of the calculations, with the requirements of the crop, already counting the calculation of the macronutrients and micronutrients in grams.

With the possibility of generating a PDF file, just click Generate PDF. The calculations are based on nutrient solutions, which contain the amounts of nutrients that each crop needs, and knowing this, the Hidrosolun, offers an option to create nutritious solutions. On the menu bar, click Create Nutrition Solution (Figure 6).


Figure 6. Creating the nutrient solution.


Figure 7. Nutrient list by culture.

On this screen, all the nutrient solutions created, which can be used in the calculations, will be listed, and by clicking on the icon that appears in the table of actions, the nutrient amounts per culture can be checked (Figure 7).

6.2. Operating the Hidrosical software

Figure 10. Diagram entity software relationship Hidrosolun.

Figure 9. Delete option.

After opening the browser to the Internet, enter the address www.siscopgeo.com.br, it will appear an initial screen of presentation of the program, as well as the request of typing of the user data and the password of access. The address www.siscopgeo.com.br is a domain registered in the site "Registro.br," that is a department of the "Nucleus of Information and Coordination of Point BR" (NIC.br), a civil entity without lucrative ends, that Since December 2005 has implemented the decisions and projects of the "Internet Management Committee in Brazil," as explained in the notice to the public and in the bylaws of NIC.br. This core is responsible for registration and maintenance of domain names that use the ".br" extension.

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In the pages of the system, the user can use some links that support the same and can access some entities such as Embrapa, State Secretariat of Agriculture, Ministry of Agriculture, and FAEMG, all of which contain useful information on related activities with the agricultural area. In the pages are also found access to the site "CLIMATEMPO", for queries about weather and temperature forecasts. In the footer of the pages is an application that provides the right time to visitors and also information on the number of people who have visited the site so far (Figure 11).

In Figure 8, it is possible to enter the name of the solution, the culture and the amounts of the nutrients for the chosen crop. After this process, just click on add solution and in the table of solutions to be saved, and the solution created will be shown. If you want to create more solutions for other cultures, just repeat the process by choosing a new culture. To finish the process of creating the solution, simply click on Finish and save, and if you want to create other solutions and not save the one you created, just click on the clear button.

When you click the end and save button, the solution immediately appears in the solutions table, and you can use it in future calculations. A new option (delete—Figure 9) becomes available for each solution created, and after you click delete, the solution is no longer accessible to the user (Figure 10).


Figure 8. New nutrient solution.

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Figure 9. Delete option.

On this screen, all the nutrient solutions created, which can be used in the calculations, will be listed, and by clicking on the icon that appears in the table of actions, the nutrient amounts per

In Figure 8, it is possible to enter the name of the solution, the culture and the amounts of the nutrients for the chosen crop. After this process, just click on add solution and in the table of solutions to be saved, and the solution created will be shown. If you want to create more solutions for other cultures, just repeat the process by choosing a new culture. To finish the process of creating the solution, simply click on Finish and save, and if you want to create

When you click the end and save button, the solution immediately appears in the solutions table, and you can use it in future calculations. A new option (delete—Figure 9) becomes available for each solution created, and after you click delete, the solution is no longer accessi-

other solutions and not save the one you created, just click on the clear button.

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culture can be checked (Figure 7).

Figure 7. Nutrient list by culture.

ble to the user (Figure 10).

Figure 8. New nutrient solution.

#### 6.2. Operating the Hidrosical software

After opening the browser to the Internet, enter the address www.siscopgeo.com.br, it will appear an initial screen of presentation of the program, as well as the request of typing of the user data and the password of access. The address www.siscopgeo.com.br is a domain registered in the site "Registro.br," that is a department of the "Nucleus of Information and Coordination of Point BR" (NIC.br), a civil entity without lucrative ends, that Since December 2005 has implemented the decisions and projects of the "Internet Management Committee in Brazil," as explained in the notice to the public and in the bylaws of NIC.br. This core is responsible for registration and maintenance of domain names that use the ".br" extension.

In the pages of the system, the user can use some links that support the same and can access some entities such as Embrapa, State Secretariat of Agriculture, Ministry of Agriculture, and FAEMG, all of which contain useful information on related activities with the agricultural area. In the pages are also found access to the site "CLIMATEMPO", for queries about weather and temperature forecasts. In the footer of the pages is an application that provides the right time to visitors and also information on the number of people who have visited the site so far (Figure 11).

Figure 10. Diagram entity software relationship Hidrosolun.

Figure 11. System login screen.


To change the owner data, the user must access the "Owner" option in the menu and change the data as requested and, at the end, click on the "Send" button, this being the moment in

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To register the properties, the user must access the "Property" option in the menu and fill in

To perform the calculation of the nutrient solution, the user must choose the "Calculation" option in the menu (Figure 17) and fill in the data requested in the form fields. Upon accessing the nutrient solution calculation screen, the name of the user who logged in to the system will be automatically filled in the "Owner Name" field. Next, the field with the date of the calculation must be filled in, the capacity of the reservoir chosen, the lowest value being 1000 L and the maximum value 5000 L, varying 1000 L between each option. Next, the culture will be listed, in this case (e.g., lettuce). After completing all the data, the user of the system should click with the mouse on the option Send (located in the footer of the form), occasion

the data as requested and, at the end, click on the "Send" button (Figure 16).

that the system will perform the calculations and will store the data in the database.

which the data will be recorded (Figure 15).

Figure 14. Owner or property master submenu.

Figure 13. System main menu screen.

Figure 12. User registration screen.

If the user is already registered, you must enter your username and password; Otherwise, you must register by clicking the "Register" button and fill in the requested data (Figure 12). At the end, the "Send" button must be clicked in order for the data to be recorded. You should then return to the main screen to log in.

After typing the user name and password, click on the "Enter System" option; and you will be directed to the "Main System Menu" screen, where you can make changes to the registry, perform nutrient solution calculation, issue reports and obtain online help for system operations (Figures 13 and 14).

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Figure 13. System main menu screen.

Figure 14. Owner or property master submenu.

If the user is already registered, you must enter your username and password; Otherwise, you must register by clicking the "Register" button and fill in the requested data (Figure 12). At the end, the "Send" button must be clicked in order for the data to be recorded. You should then

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After typing the user name and password, click on the "Enter System" option; and you will be directed to the "Main System Menu" screen, where you can make changes to the registry, perform nutrient solution calculation, issue reports and obtain online help for system opera-

return to the main screen to log in.

Figure 12. User registration screen.

tions (Figures 13 and 14).

Figure 11. System login screen.

To change the owner data, the user must access the "Owner" option in the menu and change the data as requested and, at the end, click on the "Send" button, this being the moment in which the data will be recorded (Figure 15).

To register the properties, the user must access the "Property" option in the menu and fill in the data as requested and, at the end, click on the "Send" button (Figure 16).

To perform the calculation of the nutrient solution, the user must choose the "Calculation" option in the menu (Figure 17) and fill in the data requested in the form fields. Upon accessing the nutrient solution calculation screen, the name of the user who logged in to the system will be automatically filled in the "Owner Name" field. Next, the field with the date of the calculation must be filled in, the capacity of the reservoir chosen, the lowest value being 1000 L and the maximum value 5000 L, varying 1000 L between each option. Next, the culture will be listed, in this case (e.g., lettuce). After completing all the data, the user of the system should click with the mouse on the option Send (located in the footer of the form), occasion that the system will perform the calculations and will store the data in the database.


Figure 15. Screen for changing owner data.

On the main screen of the system, the user finds the option to "report." There are several options that can be chosen: owner data report; property report; and hydroponic solution calculation report. At that point, the user has the option to view the report with the results as well as to send the report to be printed (Figures 18 and 19).

By choosing the menu option reports, a new window will open, allowing you to choose by report type, which may be the owner, property or result of the calculation of the solution.

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By choosing the "Owner" option, the owner data report will be displayed on the screen,

By choosing the "Property" option, the property report will be displayed on the screen, with

presenting the option to send to the printer.

Figure 17. Screen for calculating the solution.

Figure 18. Menu screen for reporting.

the option to be sent to the printer (Figure 16).

Issuing the report is important, because through the report the user obtains data output information from the database (Figures 20 and 21). Reports can be made according to the users' needs.


Figure 16. Properties master screen.

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Figure 17. Screen for calculating the solution.

On the main screen of the system, the user finds the option to "report." There are several options that can be chosen: owner data report; property report; and hydroponic solution calculation report. At that point, the user has the option to view the report with the results as

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Issuing the report is important, because through the report the user obtains data output information from the database (Figures 20 and 21). Reports can be made according to the

well as to send the report to be printed (Figures 18 and 19).

Figure 15. Screen for changing owner data.

users' needs.

Figure 16. Properties master screen.

By choosing the menu option reports, a new window will open, allowing you to choose by report type, which may be the owner, property or result of the calculation of the solution.

By choosing the "Owner" option, the owner data report will be displayed on the screen, presenting the option to send to the printer.

By choosing the "Property" option, the property report will be displayed on the screen, with the option to be sent to the printer (Figure 16).

Figure 18. Menu screen for reporting.

Figure 22. Result calculation model of the solution calculation.

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Figure 24. Reporting menu help screen.

Figure 23. Help menu screen for log files.

Figure 19. Menu for choosing the report type.


Figure 20. Owner report template.


Figure 21. Property report template.

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Figure 23. Help menu screen for log files.

Figure 19. Menu for choosing the report type.

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Figure 20. Owner report template.

Figure 21. Property report template.


Figure 24. Reporting menu help screen.


The system calculates the amount of fertilizers needed to meet the needs of each crop available in the software, and it is possible to size the reservoir of the nutrient solution. It is a tool of extreme importance, especially for professionals in the area of Agrarian Sciences, who provide

Software for Calculation of Nutrient Solution for Fruits and Leafy Vegetables in NFT Hydroponic System

The developed system calculates the amount of fertilizers used in the preparation of the nutrient solution, used in the hydroponic system, for hardwood vegetables, facilitating the calculation of the solution. The software is available for access on the WEB, without the need to download the

The financial support was received from Fundação de Ensino e Tecnologia de Alfenas (UNIFENAS),

, Rogério William Fernandes Barroso<sup>3</sup>

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program, and can still be used on mobile devices, such as cell phones or smartphones.

\*, Francisco Donizeti Vieira Luz<sup>2</sup>

1 Setor de Olericultura e Experimentação, Universidade José do Rosário Vellano

2 Departamento de Ciência da Computação, Universidade José do Rosário Vellano

3 Instituto Federal de Educação, Ciência e Tecnologia Sul de Minas Gerais - Campus

[1] Embrapa hortaliças. Ano IV—Número 17 julho-setembro de 2015. ISSN: 2359–3172

Agricultural Report. Belo Horizonte, Brazil; 1999. pp. 105-113

[2] Silva APP. Hydroponics. Available in: <http://www.fruticultura.iciag.ufu.br/hidropo.htm>.

[3] Moraes CAG. Cultivation of fruit vegetables in hydroponics in protected environment.

[4] Resh HM. Hydroponic Food Production: A Definitive Guidebook of Soilles Food Growing Methods. 5th ed. Santa Barbara: Woodbrigde Press Publishing Company; 1995. 527 p [5] Martinez HEP. The Use of Hydroponic Cultivation of Plants in Research. Viçosa: UFV;

\*Address all correspondence to: douglasjmarques81@yahoo.com.br

advice in the area of Mineral Fertilization and Plants.

Acknowledgements

Author details

References

Douglas José Marques<sup>1</sup>

and Hudson Carvalho Bianchini<sup>1</sup>

(UNIFENAS), Alfenas, Brazil

(UNIFENAS), Alfenas, Minas Gerais, Brazil

Muzambinho, Minas Gerais, Brazil

Acesso em: 03 Jul 2016

2002. 61 p

encouragement and unconditional support.

Figure 25. Hydroponic solution calculation help menu screen.

Figure 26. Diagram entity relationship of Hidrosical software.

In the "Calculation" option, the report on the calculation data of the solution will be shown on screen and can be sent to the printer (Figure 22).

In the main menu screen of the System, the user has the "On-line Help" available, where the procedures for the operation of the system are described, in their entirety, from registration, calculation and reporting (Figures 23–26).

#### 7. Final considerations

The software for calculation of nutrient solution for fruit and leaf vegetables in hydroponic system-NFT is easy to use, has simple interface with little input data and does not need installation, since it is an application available on the Internet.

The system calculates the amount of fertilizers needed to meet the needs of each crop available in the software, and it is possible to size the reservoir of the nutrient solution. It is a tool of extreme importance, especially for professionals in the area of Agrarian Sciences, who provide advice in the area of Mineral Fertilization and Plants.

The developed system calculates the amount of fertilizers used in the preparation of the nutrient solution, used in the hydroponic system, for hardwood vegetables, facilitating the calculation of the solution. The software is available for access on the WEB, without the need to download the program, and can still be used on mobile devices, such as cell phones or smartphones.
