TY  - BOOK
AU  - Bulatkin, G. A.
TI  - Energy problems of preservation and widened restoration of soil fertility in agroecosystems
T2  - Preprint
PY  - 1991///
CY  - Pushchino
PB  - Pushchino research centre
KW  - Почва
KW  - Плодородие
KW  - Энергетические исследования
KW  - nlr_sh1
KW  - П032
KW  - rubbk
N2  - Библиогр.: с. 15-16
ER  -