Which method of subsoil drainage is suitable for minimizing soil salinity/sodicity?

Ca (gypsum) application reduces Na content in salt affected soil but due to poor drainage gypsum amendment might not be properly effective. Therefore, gypsum application with subsoil drainage...

03 April 2017 5,126 9 View

How can we measure the exchangeable Na, K, Ca in soil?

Normally we measure Na and K using 1M NH4OAC. Someone say it is exchangeable Na and K. On the other hand, someone say it is available (water soluble+exchangeable) Na and K. I am confused which one...

03 April 2017 6,631 19 View

What is the critical limit of ESP?

We know that every nutrient has a critical limit for rice. But I need to know about critical limit of exchangeable sodium percentage (ESP) for rice. I have found from a literature that its value...

02 March 2017 6,161 14 View

Why Magnesium deteriorate the soil structure?

02 March 2017 9,448 20 View

What is the effect of excess sulphur on rice plant?

If the soil has more than 50 ppm available S, what will be the impact on rice plant? What is the permissible limit of soil available S for rice plant? It is notable that soil pH is >5.8 and...

01 February 2017 1,752 20 View

What are the effects of salinity on soil physical properties?

I have found controversy: Soil water salinity can affect soil physical properties by causing fine particles to bind together into aggregates. This process is beneficial in terms of soil aeration,...

10 November 2016 9,919 21 View

What are the effects of MgSO4 on physical properties of saline soil?

There are some kinds of salt present in saline soil. As far I know, Na salt is more harmful than others. But I have no idea about effect of Mg salt (MgSO4) on soil health. What are the permissible...

10 November 2016 5,043 16 View

What is the effect of gypsum application on soil EC?

09 October 2016 6,639 22 View

What are the effects of Ca (CaSO4) on K and S uptake by plant in saline soil?

Some researchers found that application of gypsum (CaSO4) in saline soil may reduce soil Na. As a consequence plant can uptake more K. However, some one says Ca has antagonistic effect on K...

09 October 2016 4,971 12 View

Which elements/ions are highly responsible to increase soil EC/soil salinity?

09 October 2016 4,092 24 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View