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Response of Sorghum Yield and Soil Properties to Organic Nitrogen Substitution of Chemical Fertilizer
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Haiyan Wang1, Rutian Bi2, Mengʼen Nie3, Xiaolan Huo2, Zhiyong Yu2, Ping Liu2
Crops | 2026, 42(2) : 224 - 229
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Crops | 2026, 42(2): 224-229
Response of Sorghum Yield and Soil Properties to Organic Nitrogen Substitution of Chemical Fertilizer
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Haiyan Wang1, Rutian Bi2, Mengʼen Nie3, Xiaolan Huo2, Zhiyong Yu2, Ping Liu2
Affiliations
  • 1Social Service Department, Shanxi Agricultural University, Taiyuan 030031, Shanxi, China
  • 2College of Resources and Environment, Shanxi Agricultural University, Taiyuan 030031, Shanxi, China
  • 3Sorghum Research Institute, Shanxi Agricultural University, Jinzhong 030600, Shanxi, China
Published: 2026-04-15 doi: 10.16035/j.issn.1001-7283.2026.02.028
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Using ʻHongnuo 16ʼ sorghum as the experimental material and under equivalent nutrient input conditions, six treatments were established: no fertilization (CK), conventional fertilization (HF), and nitrogen organic fertilizer substitution ratios for nitrogen of 25% (NF25), 50% (NF50), 75% (NF75), and 100% (NF100). The results showed that compared with CK treatment, increasing the ratio of organic fertilizer substitution led to varying degrees of improvement in soil organic matter, total nitrogen, alkaline hydrolyzed nitrogen, available phosphorus, and available potassium contents. The activities of alkaline phosphatase, urease, and sucrase in soils treated with organic manure substitutions were significantly increased by an average of 40.8%, 13.6%, and 61.6%, respectively. Sorghum yield could be well fitted with a quadratic equation, with the highest yield obtained when applying cow manure at a nitrogen rate of 92.5 kg/ha theoretically. In this experiment, the treatment NF50 not only improved soil physicochemical properties and enhanced soil enzyme activity but also maintained sorghum at high productivity. Considering the responses in terms of sorghum yield and soil fertility as well as soil enzyme activity under different levels of organic manure substitution, it was suggested that an organic nitrogen substitution ratio of 50% was suitable for optimal application rates.

Sorghum  /  Yield  /  Soil properties  /  Nitrogen  /  Ratio of organic manure substitution
Haiyan Wang, Rutian Bi, Mengʼen Nie, Xiaolan Huo, Zhiyong Yu, Ping Liu. Response of Sorghum Yield and Soil Properties to Organic Nitrogen Substitution of Chemical Fertilizer[J]. Crops, 2026 , 42 (2) : 224 -229 . DOI: 10.16035/j.issn.1001-7283.2026.02.028
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Year 2026 volume 42 Issue 2
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doi: 10.16035/j.issn.1001-7283.2026.02.028
  • Receive Date：2024-09-20
  • Online Date：2026-04-30
  • Published：2026-04-15
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  • Received：2024-09-20
  • Revised：2024-12-05
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Affiliations
    1Social Service Department, Shanxi Agricultural University, Taiyuan 030031, Shanxi, China
    2College of Resources and Environment, Shanxi Agricultural University, Taiyuan 030031, Shanxi, China
    3Sorghum Research Institute, Shanxi Agricultural University, Jinzhong 030600, Shanxi, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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