000 01677nam a2200625 i 4500
003 CtWfDGI
020 _a0851995497
040 _aCtWfDGI
_cCtWfDGI
082 0 4 _a631.5/2
245 0 0 _aCrop variety improvement and its effect on productivity:
_bthe impact of international agricultural research
300 _a1 online resource (xxv, 522 pages) :
500 _aCAB International
546 _aEnglish
650 0 _aField crops
650 0 _aField crops
650 0 _aCrop improvement.
650 0 _aAgriculture
650 0 _aAgricultural productivity.
650 4 _aAgricultural Economics.
650 4 _aField Crops, (New March 2000)
650 4 _aPlant Breeding and Genetics.
650 4 _aPlant Production.
650 7 _aArachis hypogaea.
650 7 _aHordeum vulgare.
650 7 _aLens culinaris.
650 7 _aManihot esculenta.
650 7 _aOryza.
650 7 _aOryza sativa.
650 7 _aPennisetum glaucum.
650 7 _aPhaseolus vulgaris.
650 7 _aSolanum tuberosum.
650 7 _aSorghum bicolor.
650 7 _aTriticum.
650 7 _aTriticum aestivum.
650 7 _aZea mays.
650 7 _aBarley.
650 7 _aCassava.
650 7 _aCGIAR.
650 7 _aCrop yield.
650 7 _aGroundnuts.
650 7 _aLentils.
650 7 _aMaize.
650 7 _aMillets.
650 7 _aModels.
650 7 _aPearl millet.
650 7 _aPlant breeding.
650 7 _aPotatoes.
650 7 _aProductivity.
650 7 _aRice.
650 7 _aWheat.
700 1 _aEvenson, Robert E.
700 1 _aGollin, Douglas,
856 4 0 _uhttp://dx.doi.org/10.1079/9780851995496.0000
942 _2ddc
_cEB
999 _c140477
_d140477