Jhony Benavides

10 Questions 13 Answers 0 Followers

Questions related from Jhony Benavides

AHP for maize and guava?

Two of my undergraduate students are in the final stage of their thesis projects, and we kindly ask for your valuable support in completing two short surveys. These forms will help us determine...

08 April 2025 3,108 0 View

Thermal conductivity of edible oils, a good qualitiy indicator?

Dear all, I'd like to know if the thermal conductivity of different edible vegetable oils could serve as an additional quality parameter (units: (Cal/cm s °C)). I'm comparing olive oil, african...

14 April 2024 2,377 0 View

How to monitor illegal irrigation operations through Google Earth Engine?

Dear all, I work for a big irrigation district. It seems that some farmers are illegally using irrigation water from the main canals at night which is prohibited. The crop areas are around 5-20 ha...

20 September 2023 6,157 6 View

Is there any standard to perform landform classification?

Is there any standard to perform landform classification based on curvature and slope using specific values for small agricultural areas (10-20ha)? For instance, to define the following hillslope...

11 March 2023 6,006 1 View

Do contrasting digital elevation data follow a normally distributed curve?

I have a digital elevation model of a study site. The study site (5 ha) has a contrasting relief, that is, it has very low and very high elevations. I used a GIS software to extract the elevation...

07 February 2023 1,460 3 View

Nitrate Nitrogen, Total Nitrogen, or Ammonium Nitrogen?

I study the effect of transported soil nutrients into water bodies (creeks, lakes, etc.), and the potential negative effect of eutrophication. I have 300 soil samples from crop fields. The lab...

22 October 2022 9,268 6 View

How to calculate surface runoff?

Hi, could I get some suggestions about how to determine (1) the depth of water that infiltrates into the soil profile; (2) whether surface runoff will occur, and if so, how much. Assume that for...

10 December 2021 1,438 3 View

Is there a open code or free of charge software to do structure from motion?

Hi all, I am collecting multiple images (RGB, NIR, RE) with an UAV and I would like to process them using the structure from motion technique. I am new in the subject, therefore I would like to...

21 October 2020 7,892 6 View

What type of software/process could I use to extract channels from a simple RGB image obtained from a drone's digital camera?

Hi all, I'm using a simple drone to get near surface imagery (drone: Holy Stone HS720E). I do not know if it is possible to extract the RGB channels to derive indices. For instance, is it...

06 October 2020 4,524 4 View

Is the Cd uptake by cacao plant a function of its growing stage?

Is the cadmium uptake in cacao (Theobroma cacao L.) greater as the tree grows? I am planning to develop a pot experiment with cacao seedlings and I will evaluate Cd just in leaves after 90 days. I...

04 July 2018 1,674 7 View