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market-farming - Re: [Market-farming] phosphate rock

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  • From: robert schuler <sunnfarm AT bellatlantic.net>
  • To: Market Farming <market-farming AT lists.ibiblio.org>
  • Subject: Re: [Market-farming] phosphate rock
  • Date: Fri, 29 Apr 2005 13:04:09 -0400

A lesson I learned the hard way about phosphate rock. When I farmed on
the silt loam limestone soils of eastern PA soil tests always came back
at 30lbs/a P. When I added P rock, it became tied up in the clay and
rendered useless in just a month or so. Decayed covercrops chelates some
but never enough so I switched to banding triple super phosphate and it
remained soluble long enough to make a crop. Know your soil chemistry
before spending a ton of money on P rock. . Bob.
Sunny Meadow Farm
Bridgeton, NJ.





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