草甸草原区退耕地的牧草-水分-氮肥耦合机制
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李达,方华军,王笛,徐丽君,唐雪娟,辛晓平,聂莹莹,乌仁其其格
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Coupling Mechanism of Herbage-Water-Nitrogen Fertilizer in Abandoned Farmland in Meadow Steppe
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LI Da,FANG HuaJun,WANG Di,XU LiJun,TANG XueJuan,XIN XiaoPing,NIE YingYing,Wuren qiqige
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表3 各处理之间牧草生物量的比较
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Table 3 Comparison of the biomass of lower pasture between treatments
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处理组
Treatment | 产量Dry weight (kg·hm-2) | | 2016 | 2017 | | P1I0N0 | 1725.00±190.02a | 9954.26±756.41a | | P1I0N1 | 2249.63±317.60a | 8241.24±389.35a | | P1I0N2 | 1385.93±226.72a | 9546.30±1391.84a | | P1I1N0 | 2171.67±263.37a | 9356.11±471.86a | | P1I1N1 | 1936.11±370.06a | 10184.04±1492.04a | | P1I1N2 | 2150.46±272.86a | 10705.19±1653.52a | | P2I0N0 | 2592.69±363.03a | 11030.56±292.88a | | P2I0N1 | 1855.28±416.00a | 11133.80±173.71a | | P2I0N2 | 2767.69±595.23a | 9316.60±1001.31b | | P2I1N0 | 1829.26±316.65a | 11894.91±163.28a | | P2I1N1 | 2258.80±505.40a | 11562.36±122.73a | | P2I1N2 | 2672.50±675.11a | 8542.5±555.63b | | P3I0N0 | 2178.06±511.10a | 13253.33±637.41bc | | P3I0N1 | 2214.63±341.56a | 17801.19±503.09a | | P3I0N2 | 2594.17±560.39a | 13683.80±266.01b | | P3I1N0 | 2313.52±445.38a | 12169.26±394.49cd | | P3I1N1 | 2554.63±256.94a | 13263.98±396.62bc | | P3I1N2 | 2140.74±573.56a | 11027.78±384.61d |
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