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I Made Anom S Wijaya

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Author-ID : 6097974

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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ALGORITMA IMAGE PROCESSING PENDUGAAN LUASAN SERANGAN PENYAKIT TUNGRO PADA PADI MELALUI PENDEKATAN FOTO UDARA I Gede Arya Megantara; I Made Anom S Wijaya; I Putu Gede Budisanjaya
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 6 No 2 (2018): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

Tungro is one cause of crop failure. The calculation of the extent of the attack is very important to determine how big the attack on a land and to predict the results to be gained. Aerial photographs are one of the technologies that can be used to predict the extent of tungro disease. The development of image processing algorithms should be developed to predict the extent of attacks with aerial photographs.The purpose of this research were to develop an application that can be used to predict the extent of tungro disease on rice. To develop the program of estimate attack area use software Adobe Photoshop CS 6 and Matlab R2013a. This research consists of several steps, namely image acquisition, preprocessing, thresholding, image morphology operation, pixel calculation, calculation of the area of attack.The algorithm of this study were : image acquisition, color normalization, mosaicking, resize, scale calculation, land pixel calculation, pixel attack calculation, calculation of attack area and percentage of attack. T test is performed on data of percentage estimation of attack and manual calculation using planimeter. From the T test results obtained that both data is the same. Based on the above, it can be concluded that the algorithm of image processing estimation to estimate the extent of tungro disease attack is image acquisition, color normalization, mosaicking, resize, scale calculation, land pixel calculation, pixel counting attack and percentage of attack calculation.

Intensitas Serangan Hama Tikus Tanaman Padi Menggunakan Metode Pengamatan Keliling Berhubungan Linier dengan Luas Serangan Hasil Analisi Foto Udara I Ketut Satria Rahadi; I Made Anom S Wijaya; I Wayan Tika
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 7 No 2 (2019): September
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBETA.2019.v07.i18

Rat pests are pests that can cause crop failure in rice plant. The method used to calculate the number of rodent pest attacks is the method of sampling and obtaining aerial photographs. But from these two methods the level of attack produced is not known to correlate. So this study purpose to obtain a relationship between intensity of attack with area of attack rat pest of rice plants. The stages of this study were location surveys that were attacked by rat pests, preparation of tools, aerial photography, and sampling for the calculation of attack intensity, image processing, area attack, regression analysis and validation. The intensity of attacks is calculated using total calculations, while broad attacks are calculated using the aerial image processing method developed by Widodo. Regression analysis shows the relationship between the intensity of attack with the area of attack has a determination coefficient of 0.889 and the regression coefficient obtained y = 1.138x with an error factor of 8.947%. The intensity of rat pest attacks using linear related sampling methods with broad attack results from aerial photo analysis developed by Widodo

Tingkat Erodibilitas Tanah pada Budidaya Tanaman Tomat (Lycopersicon esculentum Mill.) dengan Berbagai Jenis Mulsa Plastik dan Jeram I Muna Bhaskara; I Wayan Tika; I Made Anom S Wijaya
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 8 No 1 (2020): April
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBETA.2020.v08.i01.p14

A Erodibility of the soil is the sensitivity of the soil to erosion, the higher erodibility value of the soil the easier the soil erodes. One way to reduce the rate of erosion is by covering the soil with mulch. The purpose of this study were (1) to determi ne the level of soil erodibility in various types of plastic mulch and straw planted with tomato plants, and (2) to determine the type of mulch that gives the lowest level of soil erodibility planted with tomato plants. The design in this study used a Completely Randomized Design with treatment consisting of tomato plants planted without mulch, tomato plants planted using black plastic mulch, tomato plants planted using silver plastic mulch, tomato plants planted using transparent and tomato plants planted using straw. The results showed that treatment without mulch and treatment with straw had a higher erodibility value than the beginning of the cultivation. While treatment using black plastic and using silver plastic had a lower erodibility value than the initial cultivation. In treatment with transparent mulch there was no change in the value of erodibility. Each treatment had different values but had the same level of category, which was very high. The type of mulch who had the lowest value was the treatment silver plastic mulch with an erodibilitas value of 0,58 at the beginning of cultivation and 0,55 at threemonths of planting age

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