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3, 5, 7, 12], '杨生茂': [2], '刘玉学': [4], '吕豪豪': [6], '马义兵': [8], '2': [9, 11, 16], '李菊梅': [10], '浙江省农业科学院环境资源与土壤肥料研究所,': [13], '浙江杭州': [14], '310021;': [15], '中国农业科学院农业资源与农业区划研究所,': [17], '北京': [18], '100081': [19], '摘': [20], '要:': [21], '基于': [22], '19': [23], '年田间定位试验,': [24], '通过测定氮、磷、钾肥不同配施处理下,': [25], '大麦地上部生物量、产量及籽粒和秸秆': [26], '中各养分含量,': [27], '研究了大麦生长期土壤和环境养分供应状况、肥料效率和土壤养分表观平衡。结果表明,': [28], '不施肥条件': [29], '下,': [30], '平均每年大麦可从土壤和环境中吸收氮、磷和钾素': [31], '44.5、10.7': [32], '和': [33, 84], '52.5': [34], 'kg': [35, 44, 51, 63, 69, 81, 86, 92], 'hm': [36, 82, 87, 93], '\uf02d2': [37, 83, 88, 94], ';': [38, 95], '大麦籽粒中氮、磷、钾含量平均': [39], '为': [40], '17.3、3.48和': [41], '4.18': [42], 'g': [43, 50], '\uf02d1': [45, 52], ',': [46, 89], '秸秆中为': [47], '4.85、0.64和': [48], '17.50': [49], '。所吸收的氮素和磷素分别有': [53], '75.7%和': [54], '83.5%被转运': [55], '至籽粒中,': [56], '但钾的转运率仅为': [57], '18.8%。大麦生产单位籽粒所需的氮素和钾素相当,': [58], '约为吸磷量的': [59], '5~6': [60], '倍。每生产': [61], '1000': [62], '籽粒,': [64], '需要吸收氮素': [65], '22.3': [66], 'kg、磷素': [67], '4.0': [68], '和钾素': [70], '20.5': [71], 'kg。19': [72], '年平均氮、磷和钾肥的表观利用率分别为': [73], '29.0%、': [74], '12.8%和': [75], '71.8%,': [76], '累积回收率为': [77], '75.3%、63.6%和203.2%。在氮磷钾平衡施肥条件下,': [78], '每年土壤氮素和磷素可盈余': [79], '18.4': [80], '6.9': [85], '但是土壤钾素平均每年亏缺': [90], '43.8': [91], '这种基础养分供给处理可维持每年大麦产量': [96], '2350': [97]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2330432066', 'counts_by_year': [{'year': 2017, 'cited_by_count': 1}], 'updated_date': '2024-08-23T21:49:03.092492', 'created_date': '2016-06-24'}