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4 大麦-双季稻轮作有机物料与化肥配施对土壤化学性质的影响

Table 4 Effect of combined application of organic material and chemical fertilizer on soil chemical properties of barley-double cropping rice rotation system

处理 Treatment pH 有机质 Organic matter (g kg-1) 全氮 Total N (g kg-1) 全磷 Total P (g kg-1) 全钾 Total K (g kg-1) 速效氮 Available N (mg kg-1) 速效磷 Available P (mg kg-1) 速效钾 Available K (mg kg-1) NPK 6.12 33.5 1.87 0.45 20.0 172.2 2.9 41.2 NPK+straw 6.35 33.9 2.08 0.72 20.6 185.0 5.7 54.3 NPK+LOM 5.95 38.5 2.29 0.70 20.1 198.1 5.1 57.1 NPK+HOM 6.18 49.4 2.97 1.86 19.7 303.0 10.3 69.3