Where can I find data on the use of fertilizers and pesticides in EU forestry ?

More Laurent Boualit's questions See All

Is there recent literature on the local pollution impact of self driving cars?

I have a question about the local pollution impact of automated cars. The possible energy impacts are well understood, I think, even if the net effects are very uncertain: automated cars could...

02 September 2020 5,735 2 View

Where to find photo dataset of depressed people faces?

Hi, for a facial emotion recognition detection project, a friend asked me if I know where he could find a dataset with faces of depressed people. I found this deep learning facial emotion...

02 June 2020 1,623 1 View

Selective etchant of ZnS and Ge from graphite (C)?

Hello chemical friends, Does anybody knows a chemical etchant that could selectively etch away ZnS and Ge from graphite (C)? I couldn't find any simple answer to this question yet. Thanks for...

11 November 2019 1,516 2 View

Is it necessary to add error bar on control condition on qPCR histogram that represent fold change ?

--Hi, a reviewer ask me to add error bar on my qPCR control condition. But this is what i think: Noteably, the error bar for the control group has a different statistical meaning as the error...

06 October 2019 7,289 3 View

Is that possible to write an article about one condition of a two conditions study?

To explain more in details. We undertook a cognitive experiment where participants performed a similar task (with different stimuli) in two conditions: one condition used as control condition and...

05 November 2018 7,732 2 View

What primers for barcoding on bacteria and protists ?

Hi, Do someone knows what primer(s) I could use for barcoding bacteria and protists ?

22 November 2017 3,555 2 View

Non-selective InGaAs/InP etch

Dear all, I am not chemist and I can't really find the answer to my question in the litterature. Could anybody suggest me a recipe for a non-selective wet etching of InGaAs and InP with similar...

18 May 2017 3,345 3 View

Steklov spectrum in an ellipse ?

Does anybody know whether the expression of Steklov spectrum (eigenvalues + eigenfunctions) for the 2d Laplace operator in an ellipse is available in the literature ? It seems to me that, as the...

22 October 2016 8,726 1 View

Could someone help me with my transformation issue?

I am writing to you regarding a problem I had with my sequencing results. Allow me to describe the situation for you.I cloned 79 pb of MPITS1 into plasmid TOPO10 and the colony-PCR results were...

01 June 2015 674 5 View

Is it possible to program a fuzzy machine learning on Scilab?

I wonder if I can combine fuzzy logic (and fuzzy mapping) with a program of machine learning on Scilab. I would like to make a program to simulate a simple clinical decision and model a fuzzy...

05 March 2015 7,382 2 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Do you know good and user-friendly programs to measure plant quantitative traits?

For my research i will need to measure plant quantitative traits (especially leaves area and roots length, but would be nice to add some more information). I recently discovered...

01 March 2021 5,035 2 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

Any suggestions for a website that allows you to create questionnaires and gather unlimited data (Totally free)?

I have found only four of them; www.surveyplanet.com www.online-anket.gen.tr www.surveey.com and of course google forms. Expecting to see your suggestions if there is any. Thank you

28 February 2021 3,237 3 View

Do I need to ask permission to use pictures for my questionnaire?

I would like to use some photo from a government website for my questionnaire. But, different photo is from the different owner. So, should I just get permission from that government body or still...

23 February 2021 1,631 3 View

How can I get the coding gene sequences of Hela and U2OS cell lines? Is mRNA sequence of Hsp90 alpha tissue specific??

I am looking for hsp90 mRNA sequence in Hela and U2OS cell lines, I have tried through ncbi but always the output is hsp90 in homo sapiens not in the specific cell line. Kindly, could any one...

22 February 2021 1,853 3 View

Are ZnS nanoparticles moisture sensitive?

Hello Everyone, I tried to form ZnS nanoparticles using the hot injection method and was able to form the same (confirmed by XRD). When I centrifuged, after the reaction I got a kind of white...

17 February 2021 1,709 3 View

How do you interpret multiple meta-regression in STATA?

Please could someone recommend a resource that explains performing meta-regression with multiple moderators. I have read the STATA META ANALYSIS REFERENCE MANUAL, but this only gives examples of...

17 February 2021 7,376 1 View

Best protocol for immunogold using araldite resin ?

Hello, We perfom Tokuyasu method (ultrathin cryo sectionning) very often to make immunogold experiments. This time, we need to make a PLT technique with K4M or LR white resin. Our results were...

14 February 2021 4,959 1 View

Can anyone pls provide me information regarding the libraries where from i can get the absorption data of different materials used in solar cells??

I want to create .abs file ( absorption) for simulating solar cell in SCAPS. Can anyone pls provide me information regarding the libraries (websites) where from i can get the absorption data of...

10 February 2021 6,034 7 View

J. C. Tarafdar

@ Laurent, please check the below websites:

http://ec.europa.eu>eurostat>statistics.explained>index.php>Agri-env

http://ourworldindata.org>fertilizer

www.fao.org>faostat

Laurent Boualit

Hello,

Thanks for these links. That helps a lot !

Laurent

Mohammad Abdulhai

Hi, I looked for answer, but I found that J. C. Tarafdar had given the most usefull links. Good luck.