Efficiency of fertilizer application on oil flax crops in conditions of North Caucasus

Efficiency of fertilizer application on oil flax crops in conditions of North Caucasus. Tishkov N.M., Bushnev A.S., Mikhailyuchenko N.G., Kostevich S.C., and Yurkov P. I. "OIL CROPS" Scientific bulletin, VNIIMK, 2005, is. 2 (133) Research results of 2000-2002 are given; efficiency of fertilizer application on oil flax crops was studied in Krasnodar and Stavropol regions. The data of field trials on leached chernozem (Krasnodar city) and light chestnut soil (Stavropol region) of the fertilizer impact on oil flax seed yield depending on three different sowing dates, four norms of seed sowings, as well as reactions of four oil flax varieties on dates and ways of fertilizer application are given; economic evaluation of its efficiency is done.