Can I use a pressure cooker to sterilize soils? If yes, what precautions should I take?

More Nguyen Hue's questions See All

What determines pH of biochars?

Most biochars have alkaline pH (above 8). That could be explained by Ca, Mg, K oxides released during the charring process (pyrolysis). Yet, some biochars have acidic pH (less than 6). What may be...

05 June 2018 2,324 5 View

How to correct subsoil acidity for perennial crops?

Soil acidity is often characterized by high Al/Mn and low Ca/Mg. Dolomite or calcite (i.e., agricultural lime) can be used to mix with the surface soil and correct its acidity. But for tree crops,...

04 May 2018 2,136 0 View

Where does positive charge on biochar come from?

It has been reported that biochars can retain anions, such as nitrate and phosphate. Specific adsorption could explain P retention, but positive charge must be present to electrostatically retain...

01 February 2018 6,146 1 View

Are there minimum numbers of variables and observations in Principal Component Analysis (PCA)?

It is understood that PCA can be used to combine/reduce rather large numbers of related variables into a few independent (orthogonal) factors for statistical analysis and interpretation. Yet, are...

07 August 2017 2,424 1 View

How to separate abiotic from biotic effects of biochar on soil quality?

We know that biochars have several properties from tiny pores that can retain water and protect microorganisms to surface functional groups (e.g., COOH, OH, C=O, etc) that can retain plant...

04 May 2016 4,806 4 View

How can we match biochars -- as soil amendments -- with soil conditions?

Since different biochars have different properties, what kind of biochars should be used as a soil amendment for nutrient-poor, acidic tropical soils? The goal is to improve soil productivity and...

04 May 2016 669 4 View

How well can we characterize ferrihydrite and allophane now?

Decades ago ferrihydrite and allophane were considered amorphous with no X-ray patterns. But now with modern techniques, Can we characterize these minerals (substances) well?

11 December 2015 3,026 0 View

What is the effective way to measure the real cation exchange capacity (CEC) of biochars?

Biochars are thought of as 'inert' carbon materials, yet their reported CEC are relative high (over 20 centimole of charge per kg). Are these values correct? or the methods of measurement are not...

09 October 2015 2,068 6 View

How to control eutrophication?

Eutrophication is a serious problem in many water ways from China to the US gulf coast. It is believed to be caused by high P and N from erosion and run-off. Are there any good ways to control it?

04 May 2015 5,857 2 View

How valuable is h-index?

h-index is sometimes listed as a measure of research/citation (quality). How meaningful is it? and what is the expected h-index of a newly-hired assistant professor?

02 March 2015 4,473 7 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...

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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 ?

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03 March 2021 6,994 5 View

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

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How to normalise data on OPM package from R Studio ?

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Sample dilution for quantitative analysis using ELISA?

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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 !

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Hamzeh Rawashdeh

Out of the Use of Methyl Bromide in Jordan

Jordanian farmers are now able to use ecologically sustainable alternatives, such as bio-fumigation and solarization. you can use these methods to sterilize soil

Prakash Mallappa Munnoli

oven dry the soil at Temperature 100 C and then transfer the oven dry soil to glass beaker cover it with the paper rapper and seal with rubber bands

and use pressure coocker for 20 minutes.