As soil quality represent it's "fitness to use" or "capacity of soil to function to sustain productivity maintaining environmental quality and improved health".
What are the basic components which must be included while developing the soil quality index?
Minimum set of data required for SQI ?
Is it necessary to rotate all the components ?
Generally for PCA analysis the selection of the pc's mainly depends on the how much information(Variance) does the developed pc's is having.. In general cumulative variance should to as low as 85 per cent.
For basic components,
Article Soil quality indicators: a critical tool in ecosystem restoration
For the soil quality index we must include all the factors that influence the productivity of the crop like available nitrogen, pottasium, phosphorus, zinc, etc that directly effect yield of crop and also the soil properties like soil pH, EC should also be considered. All the factors should be given there own weightage depending on its importance depending on its purpose. The value of the index should be more than 80% for a good quality soil
Thank you Dr. Rahul Patil Dr. Andrew Paul McKenzie Pegman and Mr. Shah-Al Emran
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