机读格式显示(MARC)

• 000 00879 2200241 45 0

• 000 1000009366

• 001 0000282380

• 005 19990907152415.0

• 008 19900920s1977 dcu b 10000 eng

• 020 __ |c Repr. |d 1

• 020 __ |c 12.00 |d 1

• 040 __ |a CAU

• 090 __ |a S15-53/CTR

• 245 00 |a Conservation tillage research progress and needs, Council Bluffs, Iowa, 1976 / |c Agricultural Research Service, U.S. Department of Agriculture.

• 260 0_ |a Washington : |b Agricultural Research Service, U.S. Department of Agriculture, |c 1977.

• 300 __ |a ii, 89 p. ; |c 26 cm.

• 504 __ |a Includes bibliographies.

• 650 _0 |a Conservation tillage |x Congresses.

• 710 2_ |a Agricultural Research Service (U.S. Department of Agriculture)

• 901 __90001001

• 905 __ |a CAU |f S15-53/CTR |b 39128 |b 36932(or.)

• 907 __ |a CAU |f S15-53/CTR |b 39128 |b 36932(or.)

• 999 __ |M wyh |m 1999090715241