;We have a question we'd like to ask you. Do you believe in the ability of
;microbial soil life to fixate N and demineralize P and K at a rate
;necessary for healthy plant growth? Also, after 50 yrs of intensive urea
;fertilization in the San Joaquin Valley and the Mississippi Delta areas,
;do you see an increase in residual salts, hardpan formation and an
;increase in soil borne plant pathogens?Maybe some of the readers on the
;list this has been forwarded to, would also like to share their thoughts.
Legumes that are properly inoculated with live innouclant with out exposure
to sunlight general produce enough N for production. Additional N will
usually show an increase in yield but not enough to pay for the fertilizer.
P & K become more available as the soil become more acid. In most area
acidity is a problem. I am not sure but I think that the SJV has an
problem. The conventional way to solve the salt problem is to break the
hard pan and wash the salts down or to plant grass that shades the
ground and uses a lot of moisture to lower the water table so the salt
water it not evaporating off the surface and leaving behind the salt.
A lot smarter folks have worked on this problem for a long time. Some of the
solutions are to break the hard pan, applying less water using drip
raising salt tolerant crops.
Gordon Couger email@example.com
Owner PRAG-L PRactical AGriculture List www.couger.com/prag-l
Stillwater, OK 405 624-2855 GMT -6:00
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