According to pH and EC, does the soil classification change by changing the soil-water ratio?

More Souad Neffar's questions See All

Is there anyone who can send me papers about crop damage and birds ??

Please, I need some recent articles on the effects of birds (sparrows) on crops . Could you help me ? The papers I have are not recent. Thank you.

06 July 2019 1,531 5 View

Can I have the details (in French or English) of the method of estimating microbial biomass in soil (Fumigation-extraction)?

Please, In order to see the effect of a nurse plant (Opuntia ficus-indica) on degraded soil, I would like to estimate the OM and microbial biomass under the shrub.I need the details of the...

08 September 2017 9,375 5 View

What is exactly the Edge effect?

Please give me a simplified answer. I know that the ecotone is the transition zone between 2 ecosystems characterized by its species richness (Exp. Between an agricultural land and a forest). Is...

01 February 2017 7,830 12 View

What is the correct name for the Shannon Diversity Index?

Please, In the ecological literature, i found: Shannon index, Shannon-Weaver index and Shannon-Wiener index? Which should I use? Thanks.

01 February 2017 1,677 13 View

Why always choose Shannon to evaluate the diversity of a community?

Despite the numerous indices of diversity, we opt for Shannon and Pielou indices because they are dependent of the sample size.But for the plant community, for example, in the spring, the number...

11 December 2016 3,829 10 View

Would you have an idea about the type of spores?

This is an observation of mycotrophic herbaceous cells. These spores were observed. What do you think? Thanks.

11 December 2016 4,404 5 View

Can anyone get me papers on salty soils of arid areas?

Hi, I need to describe and see similarities and dissimilarities between soil characteristics of Chotts and Sebkhas (Salty lakes in arid and semi arid areas). Thanks.

01 February 2015 8,114 2 View

Is there someone who could provide me a document that would help me to have the vital attributes of Mediterranean plant species ?

Hi, I can not find the vital attributes of some plant species. Any biogeography document could help me. Thank you.

31 December 2014 8,093 2 View

Can the strategy of a species (C, S or R) can change depending on the environment?

Functional Ecology/ Grime strategies From S to R, for example. Thanks.

08 September 2014 1,151 4 View

Functionnal Ecology (Biodiversity)

Hello, Whereby you explain a Shannon index 3 80 and eveness of 0.80 in a floristic assemblage in a degraded environment (subject to desertification). Moreover, the majority of species are...

06 July 2014 401 4 View

Why Do TDS and EC Increase with Larger Wastewater Volumes, While BOD and COD Decrease?

I have carried out MFC experiments on three different volumes, 50, 500 and 1000 mL of wastewater. Results after MFC treatment shows that TDS and EC are more in larger volumes of water i.e. TDS and...

09 August 2024 9,621 0 View

How to assess the osmotic power of a substance?

Hello, I suspect that a molecule I am using is causing bacteria to experience osmotic shock. What chemical properties should I look for to compare this capability with those of other substances?...

06 August 2024 977 1 View

How do soil microflora interact with plant roots and influence plant nutrition, health, and productivity?

06 August 2024 9,618 3 View

How do soil microbes affect plant health and productivity and how do plants interact with soil microorganisms and contribute to soil fertility?

31 July 2024 5,087 4 View

How do pollutants in soil affect soil microorganisms and role do microorganisms play in nutrient cycling and soil fertility?

31 July 2024 368 2 View

What is the role of microorganisms in soil fertility and crop production cycles and role of microorganisms in mineral transformation?

31 July 2024 8,483 8 View

How to check pH of a high strength hydrogel?

We are working on biopolymeric hydrogels. Our system is highly viscous and sticky, and the gel formed are high in strength. We are unable to use pH electrode and pH strip. Please suggest an easy...

30 July 2024 942 2 View

EDTA buffer solution?

Hello everyone! How can i prepare EDTA buffer solution (pH 8.2) to determine GSH levels? Thank you in advance.

29 July 2024 4,374 1 View

Whether i can preserve leaves samples in 2.5% glutaraldehyde in 0.05 M phosphate buffer, pH 7 for coming several weeks for further LM study ?

I want to preserve the sample leaves for the LM study of the stomata and conidia analysis. Whether 2.5% glutaraldehyde in 0.05 M phosphate buffer with pH 7 can be applied for preservation.

29 July 2024 8,560 0 View

MAGeCK Plotting Error: Logarithmic Axis Must Have Positive Limits?

I have been running a MAGeCK test command on the terminal for a CRISPR screen to rank sgRNAs and genes based on the read count tables. However, I get only the plot of the top-ranked genes...

28 July 2024 9,811 1 View