(NuPRAWLENIE PO^WENNYM PLODORODIEM (B:s (NsBORNIK NAU^NYH TRUDOW (B/s - (NsUDAKOW(B, (Na(B.(Nw(B.s; (NwSESO@ZNAQ AKADEMIQ SELX(Bc(NKOHOZQJSTWENNYH NAUK IM(B. (Nw(B.(Ni(B. (NlENINAs; (NaGROFIZI^ESKIJ niis ((NlENINGRAD (B:s (Nafi(B,s, 1986)
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Keywords: (NpLODORODIE PO^WY (B- (NuPRAWLENIE (B- (NmATEMATI^ESKIE METODYs