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pro vyhledávání: '"S. C. R. Freeman"'
Publikováno v:
Forestry. 47:153-184
RESP-7087
Publikováno v:
Forestry. 45:145-176
Scanned PDF of REFERENCE EXPERIMENTS ON YOUNG CONIFERS AT WOBURN EXPERIMENTAL FARM, 1961-69 , part of Rothamsted Experimental Station Report for 1973 Part 2
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Three slow-release nitrogen fertilizers — medium- and coarse-sized granules of IBDU (isobutylidene diurea) and formalized casein — were applied before sowing or transplanting to Sitka sprucePicea sitchensis, and their effects on growth compared w
Externí odkaz:
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