Bishal Neupane – Research Blog https://www.bishalnneupane.com.np/blog/ Agricultural research summaries and remote sensing, GIS and R guides by Bishal Neupane. en How an Agriculture Student in Nepal Can Build a Research Portfolio Without Grants or an MSc https://www.bishalnneupane.com.np/blog/agriculture-student-research-portfolio.html https://www.bishalnneupane.com.np/blog/agriculture-student-research-portfolio.html Sat, 17 Oct 2026 06:00:00 GMT How an agriculture student in Nepal can build a research portfolio without grants: internship field trials, co-authored papers, open GEE and R work. Building a Mobile Crop Disease Detection System with MobileNetV2, TFLite and Flutter https://www.bishalnneupane.com.np/blog/crop-disease-detection-mobilenetv2.html https://www.bishalnneupane.com.np/blog/crop-disease-detection-mobilenetv2.html Sat, 17 Oct 2026 06:00:00 GMT How a crop disease detection app works: MobileNetV2 transfer learning, offline TFLite inference, Flutter and FastAPI, and GPS-tagged data for Nepal. DSSAT Crop Modelling for Beginners: CSM, CERES vs CROPGRO, Inputs, Calibration and Evaluation https://www.bishalnneupane.com.np/blog/dssat-crop-modelling-beginners.html https://www.bishalnneupane.com.np/blog/dssat-crop-modelling-beginners.html Sat, 17 Oct 2026 06:00:00 GMT A beginner's guide to DSSAT v4.8.5: the Cropping System Model, CERES vs CROPGRO, required inputs, GENCALC and GLUE calibration, and RMSE and d-index. GIS, Remote Sensing and Machine Learning in Agriculture: One System, Not a Stack https://www.bishalnneupane.com.np/blog/gis-remote-sensing-machine-learning-agriculture.html https://www.bishalnneupane.com.np/blog/gis-remote-sensing-machine-learning-agriculture.html Sat, 17 Oct 2026 06:00:00 GMT Remote sensing in agriculture works best with GIS and machine learning together. What each adds, a combined workflow, and examples from Nepal. K-Means Land-Cover Classification in Google Earth Engine: A Sentinel-2 Workflow from Kaski, Nepal https://www.bishalnneupane.com.np/blog/google-earth-engine-land-cover-kaski.html https://www.bishalnneupane.com.np/blog/google-earth-engine-land-cover-kaski.html Sat, 17 Oct 2026 06:00:00 GMT Google Earth Engine land cover classification with K-Means and Sentinel-2: code, cluster labelling and accuracy assessment, from a Kaski, Nepal project. Monitoring Water with Multi-Temporal NDWI in Google Earth Engine: A Pokhara Lekhnath Guide https://www.bishalnneupane.com.np/blog/ndwi-water-monitoring-pokhara.html https://www.bishalnneupane.com.np/blog/ndwi-water-monitoring-pokhara.html Sat, 17 Oct 2026 06:00:00 GMT NDWI water body detection with Sentinel-2 in Google Earth Engine: McFeeters vs Gao NDWI, reading negative values, and seasonal composites for Pokhara. Influence of NAA and GA3 on Okra Growth, Flowering and Yield at Katahari, Morang (In Press, TURJAF) https://www.bishalnneupane.com.np/blog/okra-naa-ga3-katahari-morang.html https://www.bishalnneupane.com.np/blog/okra-naa-ga3-katahari-morang.html Sat, 17 Oct 2026 06:00:00 GMT In-press TURJAF study by Bishal Neupane: an RCBD okra trial at Katahari, Morang found GA3 at 100 ppm most effective for growth and yield. Prospective MSc Student in Precision Agriculture and Remote Sensing: Bishal Neupane https://www.bishalnneupane.com.np/blog/prospective-msc-student-precision-agriculture.html https://www.bishalnneupane.com.np/blog/prospective-msc-student-precision-agriculture.html Sat, 17 Oct 2026 06:00:00 GMT For supervisors seeking a graduate research assistant in precision agriculture: Bishal Neupane's research aims, nine 2026 papers, field and GIS skills. How to Analyse an RCBD Field Trial in R: ANOVA, Assumption Checks, LSD and DMRT with agricolae https://www.bishalnneupane.com.np/blog/rcbd-anova-r-agricolae.html https://www.bishalnneupane.com.np/blog/rcbd-anova-r-agricolae.html Sat, 17 Oct 2026 06:00:00 GMT Step-by-step RCBD ANOVA in R: aov() with blocks, Shapiro-Wilk and Levene checks, agricolae LSD and Duncan tests, and a ggplot2 bar chart with letters. NDVI, NDWI, SAVI, GCI and PSRI with Sentinel-2: Formulas, Value Ranges and Google Earth Engine Code https://www.bishalnneupane.com.np/blog/vegetation-indices-ndvi-ndwi-savi-sentinel-2.html https://www.bishalnneupane.com.np/blog/vegetation-indices-ndvi-ndwi-savi-sentinel-2.html Sat, 17 Oct 2026 06:00:00 GMT NDVI formula for Sentinel-2 (B8, B4) plus NDWI, SAVI, GCI and PSRI: correct bands, value ranges, when to use each, and working Earth Engine code. Effect of GA3 and NAA on Okra Growth and Yield: A Field Trial on cv. Parbati in Sunsari, Nepal https://www.bishalnneupane.com.np/blog/okra-plant-growth-regulators-sunsari.html https://www.bishalnneupane.com.np/blog/okra-plant-growth-regulators-sunsari.html Thu, 15 Oct 2026 06:00:00 GMT NAA at 150 ppm raised okra pod yield to 9.55 t/ha vs 3.39 t/ha in the control, while GA3 + NAA gave the tallest plants. RCBD trial, Sunsari, Nepal. Rice Genotype Evaluation in Nepal's Eastern Terai: Nine Spring Rice Lines Against Hardinath-1 https://www.bishalnneupane.com.np/blog/rice-genotypes-eastern-terai.html https://www.bishalnneupane.com.np/blog/rice-genotypes-eastern-terai.html Thu, 15 Oct 2026 06:00:00 GMT IR-19-A-5000 gave 6.38 t/ha, the earliest maturity and lowest sterility among nine spring rice genotypes tested against Hardinath-1 in Sunsari, Nepal. Fall Armyworm Management in Nepal: What Chitwan Maize Farmers Know and Do https://www.bishalnneupane.com.np/blog/fall-armyworm-farmers-perception-chitwan.html https://www.bishalnneupane.com.np/blog/fall-armyworm-farmers-perception-chitwan.html Tue, 15 Sep 2026 06:00:00 GMT Survey of 60 Chitwan maize farmers: fall armyworm ranked a top pest, yet 35% used no control and none used cultural or biological methods. Mulching Effect on Lettuce Insect Pests and Natural Enemies: Silver Plastic, Rice Straw and Sawdust Compared in Lalitpur, Nepal https://www.bishalnneupane.com.np/blog/lettuce-mulching-insect-pests-lalitpur.html https://www.bishalnneupane.com.np/blog/lettuce-mulching-insect-pests-lalitpur.html Tue, 15 Sep 2026 06:00:00 GMT Silver plastic mulch cut aphids, cutworms and Helicoverpa on lettuce; rice straw drew ladybirds and gave 13.07 t/ha. Field trial, Lalitpur, Nepal. Plant Growth Regulators and Mango Fruit Retention: GA3, NAA and BAP on Bombay Green Mango in Sarlahi, Nepal https://www.bishalnneupane.com.np/blog/mango-growth-regulators-fruit-retention.html https://www.bishalnneupane.com.np/blog/mango-growth-regulators-fruit-retention.html Tue, 15 Sep 2026 06:00:00 GMT GA3 at 35 ppm gave the best mango fruit retention, BAP 15 ppm the top yield and NAA 35-50 ppm the sweetest fruit in a Bombay Green trial, Sarlahi, Nepal. Cucumber Production Economics in Nepal: Chandani vs Raja F1 Hybrids in Morang https://www.bishalnneupane.com.np/blog/cucumber-chandani-vs-raja-morang.html https://www.bishalnneupane.com.np/blog/cucumber-chandani-vs-raja-morang.html Sat, 15 Aug 2026 06:00:00 GMT Chandani vs Raja cucumber in Morang, Nepal: cost, yield, profit and BCR (2.40 vs 2.19) from a 60-farmer survey, plus top constraints. Agricultural Mechanisation in Nepal's Hills: Maize Farming in Gulmi's Satyawati Rural Municipality https://www.bishalnneupane.com.np/blog/maize-mechanization-gulmi-nepal.html https://www.bishalnneupane.com.np/blog/maize-mechanization-gulmi-nepal.html Sat, 15 Aug 2026 06:00:00 GMT Survey of 100 maize households in Gulmi, Nepal: 69% use power tillers, 13% post-harvest machines; lack of advice (66%) outranks cost (17%). Spring Rice Sowing Time and Variety Selection in Nepal: What Drives Farmers' Decisions in Rautahat https://www.bishalnneupane.com.np/blog/spring-rice-sowing-time-variety-rautahat.html https://www.bishalnneupane.com.np/blog/spring-rice-sowing-time-variety-rautahat.html Sat, 15 Aug 2026 06:00:00 GMT Survey of 91 spring rice growers in Rautahat, Nepal: irrigation and seed access shaped variety choice; sowing time changed cost and yield. Rice Mechanisation in Nepal: Status, Challenges and Pathways (A Review) https://www.bishalnneupane.com.np/blog/rice-mechanization-nepal-review.html https://www.bishalnneupane.com.np/blog/rice-mechanization-nepal-review.html Wed, 15 Jul 2026 06:00:00 GMT Review of 2019-2025 evidence on rice mechanization in Nepal: stage-wise rates, adoption drivers, barriers, AMPP 2014, PMAMP and spring rice.