TY - GEN ID - orgprints6680 UR - http://orgprints.org/6680/ TI - Henry Doubleday Research Association (HDRA): Long-term crop experiments/ field studies N2 - Hunts Mill Warwick HRI Wellesbourne ? 13 hectares, since 1996, investigating the performance of three cropping strategies contrasting in terms of cropping and fertility building regimes (vegetable/arable systems). Organic Unit Warwick HRI Kirton ? 3.2 hectares, since 1997, investigating the performance of a field vegetable cropping strategy (DEFRA). AV - none KW - cropping regime KW - fertility KW - crops KW - vegetables ER -