大麦-双季稻轮作体系有机物料与化肥配施对大麦资源利用效率及产量的影响

张帆, 杨茜

Effects of combined application of organic materials and chemical fertilizers in barley-double cropping rice rotation system on barley resource utilization efficiency and yield

ZHANG Fan, YANG Qian

表3 大麦-双季稻轮作有机物料与化肥配施对大麦NPK利用率的影响

Table 3 Effect of combination of organic material and chemical fertilizer on N, P, and K use efficiency of barley under barley-double cropping rice rotation system

处理 Treatment 大麦籽粒养分积累 Nutrient accumulation in barley grain (kg hm-2) 偏生产力 Partial factor productivity (kg kg-1) 收获指数 Harvest index (%) N P K N P K N P K NPK 29.11±0.29 c 2.97±0.09 b 8.04±0.61 b 10.1±0.1 b 84.0±0.5 b 23.6±0.1 b 48.6±0.1 a 56.1±0.8 a 14.6±1.1 c NPK+straw 27.53±2.20 c 2.82±0.10 b 7.81±0.64 b 10.2±0.7 b 84.8±6.0 b 23.8±1.7 b 49.6±1.8 a 54.6±1.4 a 16.6±0.9 bc NPK+LOM 42.89±3.45 a 8.61±0.86 a 10.76±1.08 a 12.5±0.9 a 104.7±7.2 a 29.4±2.0 a 50.3±1.9 a 49.6±1.6 b 22.7±1.4 a NPK+HOM 37.31±0.29 b 7.94±0.19 a 9.57±0.61 a 11.6±0.1 a 96.5±1.2 a 27.1±0.3 a 49.7±2.0 a 40.2±1.3 c 17.6±1.1 b