Question

1.suggest some alternate ways to enrich soil?

Answer 1

do crop rotation so it will maintainits fertility

Answer 2

- adding kitchen compost, plant leftovers, etc 
- adding tree leaves 
- adding green manures cut and lay (alfalfa, buckwheat, mustard, broad beans, etc) 
- adding liquid compost 
- adding liquid feeds containing comfrey, nettles, yarrow 
- adding mulching 
- adding diluted urine 
- ground covers 
- grow carbon rich crops (corn, grasses, amaranth, trees...) 
- Huegelkultur (bury wood) 
- add fish meal, egg shells, blood meal, bone meal, alfalfa meal, ashes, rocks, sand, clays 
- make soil aerated, with a good light structure 
- dense planting? 
- add animal manures 
- n-fixing crops (elaeagnus, lupins, etc) 
- dynamic accumulators (cornflower, dandelion, yarrow, etc) 
- intercropping, polycultures, companion planting 
- grow harvestable green manure to the lowlands of your property (where nutrients leach)