黄河故道滨海中低产田耕作与增施有机肥对土壤性状及稻-麦周年产量的短期影响
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顾克军,顾东祥,张斯梅,张传辉,张恒敢,吴晶晶,樊平声
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Short-Term Effects of Tillage and Organic Fertilizer Application on Soil Characters and Annual Rice-Wheat Yield in Coastal Low- and Medium-Yield Farmland of the Old Yellow River
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Kejun Gu,Dongxiang Gu,Simei Zhang,Chuanhui Zhang,Henggan Zhang,Jingjing Wu,Pingsheng Fan
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表1 稻-麦轮作不同耕作与施肥处理小麦季收获期土壤养分状况(2018年)
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Table 1 Soil nutrient status of wheat at harvest stage under different tillage patterns in rice-wheat rotation system (2018)
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处理 Treatment | 容重 Bulk density (g/cm3) | 土壤质量含水率 Soil moisture content (%) | 土壤空隙度 Soil porosity (%) | 土壤三相比R值 Ratio of soil solid- liquid-gaseous | 有机质含量 Organic matter content (g/kg) | 碱解氮含量Alkali nitrogen content (mg/kg) | 速效磷含量 Available phosphorus content (mg/kg) | 速效钾含量 Available potassium content (mg/kg) | RW1 | 1.27a | 22.25b | 52.17a | 4.5ab | 6.3e | 34.1c | 11.8a | 99.2c | RW2 | 1.25a | 21.98b | 52.67a | 4.2a | 5.2b | 18.3b | 16.7b | 50.8a | RW3 | 1.29a | 18.98a | 51.40a | 3.9a | 4.6a | 16.3a | 23.0c | 73.1b | RW4 | 1.24a | 20.89b | 53.06a | 4.6ab | 5.4c | 20.1b | 10.6a | 73.9b | RW5 | 1.23a | 19.26ab | 53.56a | 5.8b | 6.1d | 19.4b | 9.5a | 69.4b |
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