Which is the best product for improve crop yield?
You didnt mention what crop you cultivate and where in india your farm is.A lot depend on the type of crop you cultivate in the particular region.In other words some types of crops are endemic to a particular part of the region. Pomogranate,cotton & peanut——–Andhra prdesh Mango——–Tamil nadu jack fruit & cassava—–kerala Apple—jammu orange—-maharashtra. If you opt for date palm cultivation or cashew cultivation or rubber tree cultivation in your land it will be unsuccessful. second is the soil fertility.This has more to do with the mineral richness of the land third is the climate,percentage of rainfall,type of soil,etc With out knowing all these matters one cannot answer your question.