Rapid Identification of Rice Macronutrient Content in Saline Soils Using Smartphone Camera

Putra, Aditya Nugraha; Sitorus, Alberth Fernando; Hakim, Quid Luqmanul; Adelyanti, Martiana; Nita, Istika; Sudarto, _

doi:10.2478/agri-2021-0006

Cited by 2 publications

(2 citation statements)

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“…An interesting analytical approach is taking photos of plant crops and based on the colours of the crops, determination whether there is a sufficient concentration of mineral fertilizers in the soil. This approach was used to assess the content of nitrogen, phosphorus, and potassium in biomass, particularly during the cultivation of rice [ 37 ]. The measurement is based on the taking a photo of the crop from a height of 5 m using a long selfie stick, which allows to capture larger, more representative area.…”

Section: Determination Of the Soil Nutrients Contentmentioning

confidence: 99%

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Analytical applications of smartphones for agricultural soil analysis

Vakh

2023

Anal Bioanal Chem

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Soil is one of the most important farming resources. Appropriate managing of its quality promotes productive and sustainable agriculture. The valuable farm practice in soil quality managing is based on regular soil analysis with the aim of determining the exact amount of nutrients or other chemical, physical, and biological soil properties. Soil analysis usually requires sample collection at the desired sampling depth followed by sample delivery to chemical laboratories. However, laboratory analyses are resource-intensive and costly, and require a lot of time, effort, and equipment. A low-cost, fast, and effective alternative for soil quality control is the application of smartphones to perform chemical analyses directly in the field or on the farm. In this paper, an overview of recent developments on smartphone-based methodologies for agricultural purposes and portable evaluation of soil quality and its properties is presented. The discussion focuses on recent applications of smartphone-based devices for the determination of basic soil parameters, content of organic matter, mineral fertilizers, and organic or inorganic pollutants. Obvious advantages of using smartphones, such as convenience and simplicity of use, and the main shortcomings, such as relatively poor precision of the results obtained, are also discussed. The general trend shows the huge interest from researchers to move the technology into the field with the aim of providing cost-effective and rapid soil analysis. This paper can broaden the understanding of using smartphones for chemical analysis of soil samples, as it is a relatively new area and is expected to be developed rapidly. Graphical Abstract

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Section: Determination Of the Soil Nutrients Contentmentioning

confidence: 99%

“…6 Estimation results of the concentration of (1) nitrogen, (2) phosphorus, and (3) potassium in rice biomass. The photos were taken from 5 m with a smartphone camera [ 37 ] …”

Section: Determination Of the Soil Nutrients Contentmentioning

confidence: 99%