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宁波市奉化区耕地质量动态监测

China Agricultural Technology Extension(2018)

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Abstract
通过耕地质量监测,掌握土壤理化性状变化、肥料投入与养分平衡、基础地力与作物产量等情况,为指导科学施肥、促进农业可持续发展提供科学依据.研究结果表明:长期不施肥料可导致土壤肥力下降,提出推行"稳氮、控磷、增钾、配施有机肥"的水稻平衡施肥技术建议,引导农民科学施肥,减少不合理化肥施用.基于耕层土壤速效钾下降、钾肥投入不足的现状,并结合钾素在水稻植株体内的分布规律,建议加大推广秸秆还田力度,以补充土壤钾素亏损.
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