000 | 00967nam a2200169 4500 | ||
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_c4002 _d4002 |
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005 | 20190823111805.0 | ||
008 | 160628b xxu||||| |||| 00| 0 eng d | ||
020 | _a0521345928 | ||
040 | _aZET-Ke | ||
050 |
_aQH 45.2 _b.V36 1989 |
||
100 | _aVandermeer, John | ||
245 |
_aThe Ecology of Intercropping / _cJohn Vandermeer |
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260 |
_aCambridge : _bCambridge University Press , _c1989 |
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300 |
_a237p p. _c20 cm |
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505 | _aIntercrops and ecology -- The measurement of intercrop performance -- The competitive production principle -- Facilitation -- Mechanisms of the competitive production principle -- The environments modified to produce facilitation -- Special problems in intercrops involving perennials -- Weeds and intercrops -- Variability and intercrops -- Planning intercrops - a phenomenological approach -- Planning intercrops - a mechanistic approach -- Critical research directions for the future. | ||
942 |
_2lcc _cBK _kQH 45.2 _m.V36 1989 |