机读格式显示(MARC)

• 000 00806nam a2200253 a 4500

• 001 0000283215

• 005 20191003164100.0

• 008 040927s1984 it a b i000 0 eng

• 020 __ |a 9251021546 : |c IE.

• 040 __ |a CAU |c CAU

• 090 __ |a FAO/S15-5/FAO/V.54

• 093 __ |a S15-5 |2 5

• 093 __ |a FAO |2 5

• 100 1_ |a Unger, Paul W.

• 245 10 |a Tillage systems for soil and water conservation / |c by Paul W. Unger.

• 260 __ |a Rome : |b FAO., |c 1984.

• 300 __ |a 278 p. : |b ill. ; |c 28 cm.

• 490 0_ |a FAO soils bulletin ; |v 54

• 504 __ |a Includes bibliographical references (p. 241-270.)

• 650 _7 |a Soil conservation.

• 650 _7 |a Tillage.

• 650 _7 |a Water conservation.

• 710 2_ |a Food and Agriculture Organization of the United Nations : |b Land and Water Development Division.

• 920 __ |a 211180 |z 1