for agriculture, i need this data (india), please share or tell site ,sources
Thank you
Most challenging in using soil quality data is the arrive minimum dataset relating the performance of a specific crop on a given soil in an agroecological region ....
Please request Dr. Dilip Kumar Kundu Sir for help.
https://www.researchgate.net/profile/Dilip_Kundu2
Most challenging in using soil quality data is the arrive minimum dataset relating the performance of a specific crop on a given soil in an agroecological region ....
Dear i suggest you to obtain soil quality data form major Soil Research Institutes of your country. Website data may be not efficient. If i am doing research instead of you, i visit whole India and collected soil samples from every district and analysis myself in the laboratory.
Dear,
Please, follow the suggestions by Dr. Arvind Singh in this matter.
Regards,
SD
Everyone has provided a lot of sources of information, so I too am appreciative of this question and topic! I learned a few ways to measure soil, by taking field samples, from a very great biology teacher:
One way is to collect a small amount of soil, from around 6 inches deep. I do not remember the exact instructions for how much, I think we used around a small scoop of soil, removing any particles over 2mm in diameter with a screen. So you take this filtered sample and put it in a jar, with water. You shake it and swirl it, then let it completely settle. So then you can measure the thickness of the different layers and use these ratios, to place your soil type in a soil matrix triangle (clay, loam and sand). I apologize if this is already in some of the resources provided.
Here is a link to a quick google result about this topic, called "soil texture"
https://preparednessmama.com/jar-soil-test/
There is a copy of the soil triangle diagram here:
http://articles.extension.org/pages/54401/basic-soil-components
I also know there are ways to test some specific chemical content, like nitrogen, with a simple dropper and color readout type of experiment.
Another interesting soil investigation method is to use a low vacuum Scanning Electron Microscope (SEM) with a special program developed by geologists to examine the atomic elements in samples. I have used this to observe the elemental content of a fern leaf and some pollen samples and I have seen data for a calcium carbonate sample. So in reading about the SEM, I discovered that there was this special program my school has hooked up to the SEM to give a readout of the elemental content. Even if you do not test your soil samples, you can consider this aspect of soils.
Contenido de materia orgánica mayor a 5%
Conductividad Hidráulica en campo 50 mm/dia
pH del suelo relación agua suelo 1:1 6,5
Saturacion de bases mayor al 50%
CIC mayor a 20 meq/100g
Pendiende 2%
Lets have some useful discussion about soil quality data in relation to a given crop...
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