Application of processed fiber for nursery crop production
AbstractComposted Tillamook Methane-digested dairy manure (processed fiber) plus woodwaste from landfills at Tillamook, Ore., was compared with Langerwerf, Calif., processed fiber amended with woodwaste from Tillamook, a mixture of peatmoss and pumice, and two commercial mixes from Black Gold Inc., Hubbard, Ore. Electrical conductivity, water-holding capacity, pH, cation exchange capacity, and mineral contents of Tillamook processed fiber with a mixture of wood waste were within the acceptable range for production of some nursery crops. Tillamook processed fiber with a mixture of wood waste media were favorable for the germination and growth of the lettuce and radish cultivars. The performance for seed germination was comparable to the performance of both Black Gold media and better than the other media. The growth of marigold `Bonanza Yellow', petunia `Plum Maddness', and salvia `Purple Sizzler' in Tillamook processed fiber wood media, supplemented with weekly feeding of fertilizer, was comparable to their growth in Black Gold media and better than the other media. The growth of `Double Delight' rose plants in Tillamook processed fiber wood media was similar to their performance in Black Gold media.
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