Is there a specific ratio for the application of biochar to clayey, sandy, and loamy soils?

More Jenkins Macedo's questions See All

Conceptual Framework and Processes for Productionalizing and Deploying Predictive Models: What Elements Should be Considered?

You are interested in developing a clear, repetitive and automatize processes for model productionalization, which would include model validation, model assessment and maintenance as well as the...

01 February 2016 7,761 0 View

What would you consider as the most challenging task developing a predictive model?

I have over 5 years developing predictive models with years of experience as a researcher, statistical analyst as well as data scientist. One aspect that I have experienced within the big data...

31 December 2015 3,502 47 View

Why do we need to be careful when using a predictive model to score new datasets?

The development of a predictive model is a complex process, which encompass several challenges, assumptions, theoretical implications, and an understanding of the reality of what is being modeled....

31 December 2015 2,900 6 View

Analyzing Professors: Degree-only professors vs. professors-teachers?

Over the past years of my education in Ghana and the United States, I have come to recognize the vast distinction in teaching-learning outcomes between a professor without the teaching...

31 December 2015 7,046 4 View

Which indicators influence your choice when deciding to select a potential journal publisher?

What are the main factors or indicators you take into account that may or may not influence your choice to submit manuscripts to a potential journal publishing entity?

31 December 2014 7,336 3 View

What are your thoughts about publishing research findings categorised in these themes?

I am currently writing up a thesis of an11-months field research Lao PDR. I have talked with my supervisors about publishing results base on each of the 4 objectives in several specialize...

11 December 2014 2,374 6 View

Would you conduct the Least Significance Difference Test after results from ANOVA indicates that mean yield among treatments were highly significant?

The analysis of variance (ANOVA) shows that mean yield among treatments used in an experimental trial were highly significant. However, the result did not show which of five the treatments yield...

10 November 2014 9,076 18 View

Which soil water balance estimation would you employ to calculate the soil water change [balance] in the field?

Data generated at the field through field-based monitoring and assessment include climate data: temperature (C), relative humidity (%), wind speed (mph) and direction, dew point, precipitation...

10 November 2014 7,635 15 View

What more could Normality Tests tell us apart from being a prerequisite test needed to be done prior to statistical analysis?

The normality test is a test, which once computed tells you an assessment of whether or not the range of your data is normally distributed, which is a prerequisite for many statistical tests...

10 November 2014 8,787 4 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

Is Journal of Agricultural Research a predator?

it is published by Juniper

28 February 2021 354 4 View

Where can I find raw quantitative datasets on ecosystem services?

I'm an Undergraduate student on the search for a research topic which has to involve any ecosystem service(s) and a response to environmental change. I'm looking for raw quantitative data sets (I...

19 February 2021 5,911 2 View

Where can I obtain agricultural land use data for Wales, UK?

The Gower peninsula around Swansea is my target area

16 February 2021 7,473 3 View

How to differentiate the economic productivity in agriculture and in manufacturing sector?

Most of the references I found were on the economic productivity in agriculture but very limited application in manufacturing sector. I would appreciate if anyone could share the references on...

15 February 2021 8,342 7 View

Resume Book UEP2013 Asian Edition, dis somebodey has it?

I am looking for a copy of the resume book of UEP2013 Asian Edition (Urban Environmental Pollution 2013 Asian Edition) held in Beijing. If somebody has it, please I would like to obtain an...

11 February 2021 2,247 2 View

How to compare different models with different inputs and data length?

I want to run 5 different models to estimate stream flow. In order to optimize the characteristics of these models I use Taguchi method. So I have to run different models according to the Taguchi...

11 February 2021 7,986 6 View

Which power-to-heat (P2H) devices do you think are likely to play the most crucial role in the European energy transition?

Power-to-heat (P2H) shows how we can use renewables for heating. Power-to-heat technologies have been on the market for quite some time now, with heat pumps being the most important. However, they...

10 February 2021 9,250 2 View

Can explain this diagram to me, is this the average consumption curve for one day or the total consumption of days in a month summed up in specific?

The hourly load curves of the selected household in each season are shown in Fig. 28. Figure 28 shows the demand for electricity in four months on an hourly basis. Can you explain this diagram to...

08 February 2021 657 16 View

How can AI be used for enabling Design for Sustainability?

Design for Sustainability (DfS) is a wicked and complex problem. It needs the designer to combine specialized knowledge from several disciplines with systemic thinking. The designer also needs to...

05 February 2021 2,998 9 View