Lime will work its way into the soil so no cannon is needed.
Secondly the soil is likely more healthy following a long term CRP crop than conventional tillage and incorporating fertilizer each year. Healthy soils will grow better crops than unhealthy soils on less fertilization requirements.
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I won't argue that in time lime will infact eventually leech into the ground ...what hasn't washed away that is ...
There is a place for no till....... 35% of US crop land is no till ...I know that many acres listed as no till are in fact limited till where the field has been worked but only 2-3" prior to a no till run thru it to plant
BUT granted some is hill ground acreage where no till shines as a soil conservation activity
FROM a production stand point even the most diehard advocates admit to better production and less chemicals fighting the pesky little critters that thrive in repeated no till ground
So to me calling no tilled ground that eventually require more chemicals as creatures like wire worm start to propagate vs tilled ground that the tillage does the lions share of the pest/weed control is a coin toss for me ...on level ground that is
On the second of your points ...I again remind all that I said to the OP to soil sample and engage the county extension agent as to soil type and what is in fact ACTUALLY working in his area
With that said ...recovering CRP ground to AG production is based on:
LENGTH OF CRP CONTRACT
TYPES OF PLANTINGS REQUIRED AT TIME OF ADMISSION TO CRP
CONTRACT REQUIREMENTS METHODS USED> BURN, DISC, CHEMICAL OR COMBINATIONS THERE OF
Some combinations of the above are unbelievably difficult to get re-balanced and get productive again
to me every part of this great nation has it's own mix of soil type, water availability, growing season length, land lay,,,,,etc etc
and just sometimes cannot be painted with one broad brush stroke
You sir are a very good influence on the membership of this forum and we all thank you for your unselfish contributions and I in no way am trying to call foul or act all knowingly ...just saying where the ground lays sets the rules under which ground has to be managed