The process of soil fertility evaluation is as old as agriculture . Many developments have taken place in both scientific analysis of soils from various angles and precision-based instrumentation , duly backed up by our skills to interpret the soil fertility -related data using various interpretation tools, geo-spatial tools being one of the latest additions. Many studies in the past have established some definite relations between extractable nutrients in soil and plant response in quantifiable terms. And they are being commercially exploited towards harvesting better maketable crop yield . What is the opinion of our friends about the possibility of having the evaluation of soil fertility through different layers of parameters , so that nutrient supplying capacity of soil is judged in a rightful manner.
I don't think so since multi-tier is present a phenomenon in which presentation, application processing, and data management functions of soils are considered separately.
Thanks Kwamina. Can you please elaborate your supplememnt further.
Let us look soil fertility evaluation from different angles . For example , indices of extractable nutrients in soil , microbiological components added to it , soil enzymes at the finer level added to it ...like this , make different tiers to evaluate the soil fertility. Whats your opinion.
What is your opinion , if we have soil available pool of nutrients at the top as upper most first tier followed by soil microbial biomass( Soil bacterial count and soil fungal count ) as second tier , soil microbial biomass nutrients as third tier , and soil enzymes as fourth tier of soil fertility evaluation . And there could some more parameter(s) like soil respiration etc etc....to go adding the better suited parameters and refining the soil fertility evaluation to more precision.
Anoop Kumar! These are innovative ideas. Let us hear from our friends. Then, we have to establish relationship percentage to yield of crops for each tier.
Excellent answer Dr Nazir, lets invite views of our other esteemed colleagues.
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