YAN Feng,DONG Yang,ZHAO Fuyang,et al.Effects of Different Microbial Agents on the Growth of Foxtail Millet and Enzyme Activities of Soil[J].HEILONGJIANG AGRICULTURAL SCIENCES,2024,(05):27-31.[doi:10.11942/j.issn1002-2767.2024.05.0027]
微生物菌剂对谷子生长及土壤酶活性的影响
- Title:
- Effects of Different Microbial Agents on the Growth of Foxtail Millet and Enzyme Activities of Soil
- 文章编号:
- 5
- Keywords:
- microbial agents; foxtail millet; enzyme activity; growth
- 文献标志码:
- A
- 摘要:
- 为验证微生物菌剂在谷子生产上的应用效果，并筛选出最优菌剂,采用田间试验，以谷子品种嫩选21为参试材料，设置苗期灌施5种微生物菌剂（枯草芽孢杆菌、哈茨木霉菌、地衣芽孢杆菌、解淀粉芽孢杆菌和复合微生物菌剂）和不施菌剂（CK）共6个处理，分析不同处理下谷子农艺性状、产量性状、光合特性及土壤养分含量、酶活性等指标。结果表明，与CK相比，施入微生物菌剂后，土壤中全氮、有效磷、速效钾含量显著提高，脲酶、蔗糖酶、中性磷酸酶活性显著增强；5种微生物菌剂均能显著改善嫩选21的农艺性状（穗长、穗粗、株高、茎粗）、产量性状（穗重、穗粒重）及光合特性（净光合速率、蒸腾速率、胞间CO2浓度），但对千粒重影响不显著；供试菌剂处理中复合微生物菌剂处理能够改善土壤肥力状况、提高酶活性，增加谷子产量，比CK增产16.86%，净收益增加24.21%。因此，复合微生物菌剂在玉米上有较好的应用效果，可应用于黑龙江省谷子大田高产栽培。
- Abstract:
- In order to verify the application effect of microbial agents in millet production, and screen out the best microbial agents， with Nenxuan 21 as the experimental material, a field experiment was conducted to set up six treatments: irrigation with five microbial agents (Bacillus subtilis, Trichoderma harzianum, Bacillus licheniformis, Bacillus amyloliquefaciens and compound microbial agents) and no microbial agents (CK) at seedling stage.The agronomic traits, yield traits, photosynthetic characteristics, soil nutrient content, enzyme activity and other indicators of millet under different treatments were analyzed.The results showed that compared with CK, the contents of total nitrogen, available phosphorus and available potassium in soil were significantly increased, and the activities of urease, invertase and neutral phosphatase were significantly enhanced after applying microbial agents.All five microbial agents can significantly improve the agronomic traits (ear length, ear diameter, plant height and stem diameter), yield traits (ear weight and grain weight perear) and photosynthetic characteristics (net photosynthetic rate, transpiration rate and intercellular CO2 concentration) of Nenxuan 21, but had no significant effects on 1000-grain weight.Among the tested inoculant treatments, the composite microbial inoculant treatment had the best effect on improving soil fertility and enzyme activity, and the highest millet yield, 16.86% higher than CK, and 24.21% higher net yield.Therefore, the compound microbial agent has a good application effect on corn, and can be applied to high-yield cultivation of millet in Heilongjiang.
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备注/Memo
收稿日期：2023-12-27