Results 81 to 90 of about 2,158 (165)

Integrating Low-Altitude Remote Sensing and Variable-Rate Sprayer Systems for Enhanced Cassava Crop Management

AgriEngineering
Integrating remote-controlled (RC) helicopters and drones equipped with variable-rate sprayer systems represents a significant advancement in agricultural practices, particularly for the precise management of crop diseases.
Pongpith Tuenpusa, Grianggai Samseemoung, Peeyush Soni, Thirapong Kuankhamnuan, Waraphan Sarasureeporn, Warinthon Poonsri, Apirat Pinthong   +6 more
doaj   +1 more source

Penyusunan Model Pendugaan Kadar Nitrogen Tanah Dan Tanaman Di Lahan Sawah Pada Berbagai Bentuk Lahan Menggunakan Citra Multispektral

, 2022
Pemanfaatan penginderaan jauh berbasis citra multispektral untuk menduga kadar nitrogen (N) tanah dan tanaman telah berkembang pesat. Pada penelitian sebelumnya, transformasi citra ke indeks vegetasi dan tanah mampu menduga kadar N dengan baik. Namun,
Ir. Aditya Nugraha Putra,, S.P., M.P., Aprilianto, Teguh Dharmawan, Prof. Dr. Ir. Sri Rahayu Utami,, M.Sc.   +2 more
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Non-Destructive Drone-Based Multispectral and RGB Image Analyses for Regression Modeling to Assess Waterlogging Stress in Pseudolysimachion linariifolium

Horticulturae
Urban gardens play a vital role in enhancing the quality of the environment and biodiversity. However, irregular rainfall and poor soil drainage due to climate change have increased the exposure of garden plants to waterlogging stress.
TaekJin Yoon, TaeWan Kim, SungYung Yoo
doaj   +1 more source

Model Pendugaan Biomassa Hutan Mangrove dengan Menggunakan Citra Sentinel 2A di Kesatuan Pengelolaan Hutan Lindung Unit VII Sumatera Utara

, 2021
Ekosistem mangrove sebagaimana ekosistem hutan lainnya memiliki peran sebagai penyerap karbondioksida (CO2) dari udara. Kemampuan mangrove untuk menyerap karbon dalam jumlah besar memberikan manfaat terkait isu pemanasan global sekarang ini.
Sipahutar, Rizky Amalia
core   +1 more source

Estimation of Potassium Content in Salak Plants Using Green Normalized Difference Vegetation Index Method in Wonokerto Village, Turi, Sleman, Yogyakarta: Estimasi Kandungan Kalium pada Tanaman Salak Menggunakan Metode Green Normalized Difference Vegetation Index di Kalurahan Wonokerto, Turi, Sleman, Yogyakarta [PDF]

Salak (Salacca zalacca) is a major horticultural crop in Sleman Regency, Yogyakarta, yet recent years have seen a decline in its productivity, potentially due to potassium (K) deficiency.
Ramadhani Muhammad Yusuf Ardiansyah, Virgawati, Sari   +1 more
core   +1 more source

Evaluation of Sentinel-2 Vegetation Indices for Estimating Leaf Area Index in Cassava Plots

AgriEngineering
Leaf Area Index (LAI) is critical for monitoring cassava growth and yield prediction, yet ground measurements are time-consuming and labor-intensive for large-scale applications. While satellite-based vegetation indices (VIs) offer a scalable alternative,
Kanokporn Promnikorn, Thanpitcha Jenkit, Piya Kittipadakul, Ekaphan Kraichak   +3 more
doaj   +1 more source

Winter wheat yield prediction using linear and nonlinear machine learning algorithms based on climatological and remote sensing data

Information Processing in Agriculture
In the pursuit of enhancing agricultural forecasting in Pakistan, this research integrates remote sensing indices and climatic variables through advanced machine learning algorithms. By meticulously examining ten model combinations within different wheat
Muhammad Haseeb, Zainab Tahir, Syed Amer Mahmood, Aqil Tariq   +3 more
doaj   +1 more source

Canopy reflectance indices and its relationship with yield in common bean plants (Phaseolus vulgaris L.) with phosphorous supply

, 2006
Common bean plants (Phaseolus vulgaris L.) were grown under three phosphorous levels (0, 100 & 200 kg ha-1) and under rainfed conditions with the objective to examine the association between vegetative indices (NDVI, normalized difference vegetation ...
Rodriguez Gonzalez, M.T, Escalante Estrada, J.A., Gutiérrez Rodríguez, M., Reynolds, M.P.   +3 more
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Multispectral UAV-Based Detection of Phytophthora in Citrus Orchards Using RF-DETR with Spectral Index Fusion

Applied Sciences
Phytophthora root and crown rot causes irreversible canopy decline in citrus before ground-level symptoms appear, yet UAV-based detection still relies almost exclusively on RGB imagery and, in citrus, on leaf-level classification rather than field-scale ...
Guillem Montalban-Faet, Rafael Fayos-Jordan, Enrique A. Navarro, Miguel Garcia-Pineda, Jaume Segura-Garcia   +4 more
doaj   +1 more source

Relações de índices de vegetação com padrões estruturais na Floresta Amazônica Oriental

, 2021
O sensoriamento remoto tem sido uma das principais ferramentas na análise e monitoramento da superfície, além de permitir entender o comportamento biofísico da vegetação que pode auxiliar no manejo florestal. Neste estudo, foram utilizados oito índices
Boy, Daniel Joventino Schimidt
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