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4 不同处理对牧草营养成份的影响
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Table 4 Effects of different treatments on the change of nutritional composition of grassland from 2016 to 2017
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处理组
Treatment | 2016 | 2017 | 粗蛋白
CP (%) | 中性洗涤纤维
NDF (%) | 酸性洗涤纤维
ADF (%) | 相对饲喂价值
RFV | 粗蛋白
CP (%) | 中性洗涤纤维
NDF (%) | 酸性洗涤纤维
ADF (%) | 相对饲喂价值
RFV | | P1I0N0 | 16.61±0.14b | 29.85±1.26a | 20.12±1.88a | 229.99±13.80a | 15.87±0.70a | 48.83±0.81a | 30.83±1.45a | 125.35±3.81a | | P1I0N1 | 17.51±0.41ab | 33.49±2.42a | 21.23±2.71a | 205.41±19.95a | 15.51±0.42a | 49.84±0.95a | 31.87±0.56a | 121.17±2.53a | | P1I0N2 | 19.08±0.47a | 28.47±1.70a | 17.81±1.50a | 248.48±17.10a | 16.18±1.41a | 48.91±1.38a | 30.91±1.64a | 126.67±7.02a | | P1I1N0 | 16.69±0.74b | 32.31±2.12a | 21.51±2.76a | 211.44±18.30a | 15.27±0.68a | 49.00±1.08a | 30.90±1.39a | 124.56±4.55a | | P1I1N1 | 16.62±1.27b | 35.32±4.64a | 24.48±2.68a | 196.45±31.60a | 15.30±0.55a | 49.95±0.98a | 31.89±0.79a | 120.19±2.62a | | P1I1N2 | 17.55±0.47ab | 31.35±2.61a | 22.09±1.86a | 218.12±21.46a | 15.12±0.66a | 49.54±1.88a | 32.29±1.65a | 122.27±7.52a | | P2I0N0 | 16.37±0.68a | 34.27±1.32a | 19.71±1.11a | 200.74±8.91a | 10.21±1.02a | 65.08±2.02a | 36.99±1.27a | 86.53±4.19a | | P2I0N1 | 17.93±0.20a | 31.12±1.67a | 17.55±1.74a | 227.76±17.80a | 10.24±0.59a | 63.46±1.14a | 36.67±0.89a | 88.70±2.59a | | P2I0N2 | 18.19±1.21a | 33.61±1.48a | 17.65±1.88a | 209.85±13.62a | 12.42±0.47a | 63.40±0.99a | 34.76±0.99a | 90.93±2.53a | | P2I1N0 | 16.59±0.68a | 31.07±1.07a | 17.33±1.19a | 226.77±9.17a | 10.04±1.42a | 61.77±1.18a | 34.51±1.14a | 93.74±3.07a | | P2I1N1 | 17.46±1.11a | 33.47±0.91a | 18.86±1.62a | 206.73±8.44a | 11.33±0.84a | 62.43±1.49a | 36.55±1.96a | 91.68±4.56a | | P2I1N2 | 17.88±1.56a | 32.34±0.97a | 18.67±1.83a | 214.9±9.80a | 11.01±0.61a | 64.21±1.47a | 36.75±1.24a | 87.62±2.96a | | P3I0N0 | 16.79±1.38a | 33.65±1.85a | 22.24±2.51a | 200.61±15.95a | 13.15±0.52b | 55.33±2.68a | 33.72±1.55a | 106.87±7.69a | | P3I0N1 | 16.82±1.23a | 32.61±1.93a | 20.99±2.30a | 209.97±16.51a | 15.12±0.42a | 53.29±0.89a | 31.09±1.25a | 113.61±3.51a | | P3I0N2 | 17.39±1.88a | 33.77±2.77a | 21.85±1.42a | 202.83±19.54a | 14.69±0.39ab | 54.22±1.71a | 31.20±0.40a | 111.50±3.73a | | P3I1N0 | 17.93±1.27a | 30.85±1.70a | 19.95±2.29a | 224.03±16.75a | 14.71±0.42ab | 54.75±2.49a | 33.01±1.44a | 109.03±6.42a | | P3I1N1 | 17.62±1.09a | 31.96±2.59a | 20.27±1.68a | 218.49±23.41a | 13.77±0.80ab | 55.76±0.87a | 33.29±1.27a | 105.48±3.06a | | P3I1N2 | 18.34±1.05a | 31.34±1.69a | 18.44±1.89a | 223.95±16.67a | 14.65±0.46ab | 56.37±2.33a | 33.56±1.56a | 105.02±5.91a |
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