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• 000 01418nam 2200349 a 4500

• 000 1000102138

• 001 0000325215

• 005 20081013143715.0

• 008 081013s1997 enka b 001 0 eng d

• 020 __ |a 9780521038737 (paperback)

• 020 __ |a 9780521495677 (hardback)

• 020 __ |a 0521038731 (paperback) : |c CNY370.00

• 040 __ |a CAU |c CAU

• 090 __ |a S812/HLR

• 093 __ |a S812 |2 4

• 100 1_ |a Humphreys, L. R.

• 245 10 |a The evolving science of grassland improvement / |c L.R. Humphreys.

• 260 __ |a Cambridge, U.K. ; |a New York : |b Cambridge University Press, |c 1997.

• 300 __ |a xvii, 261 p. : |b ill. ; |c 23 cm.

• 500 __ |a This digitally printed version 2007.

• 504 __ |a Includes bibliographical references (p. 210-256) and index.

• 505 0_ |a Grassland improvement and environmental protection -- The plant genetic base for grassland improvement -- The nitrogen economy of grasslands -- Growth and defoliation -- Grassland ecology -- Grazing management -- Innovation, optimization and the realization of change.

• 650 _0 |a Grasslands.

• 650 _0 |a Pasture ecology.

• 650 _0 |a Grassland ecology.

• 650 _0 |a Pastures.

• 650 _0 |a Forage plants.

• 901 __022008003159

• 905 __ |a CAU |f S812/HLR |b W0080949ED-11(or.)

• 907 __ |a CAU |f S812/HLR |b W0080949ED-11(or.)

• 920 __ |a 211180 |z 2

• 999 __ |t A |A xw |a 20080317 14:45:56 |I wzhlc |i 20081013 14:37:15 |G wzhlc |g 20081013 14:38:5