WANG Lihe,JIA Yunchao,WANG Junzhong,et al.Study on Alleviating Continuous Cropping Obstacle of Garlic by Nutrient Balance[J].Northern Horticulture,2015,39(21):167-172.[doi:10.11937/bfyy.201521044]
营养平衡调节对缓解大蒜连作障碍的研究
- Title:
- Study on Alleviating Continuous Cropping Obstacle of Garlic by Nutrient Balance
- 文献标志码:
- A
- 摘要:
- 以大蒜为试材，为缓解中牟大蒜连作障碍，试验从调节土壤营养平衡的农艺措施入手，研究了常规施肥作对照（CK）、常规施肥+抗重茬剂(T1处理)、常规施肥+硫酸锌22.5 kg/hm2+钼酸铵0.45 kg/hm2（T2处理）、常规施肥+腐植酸900 kg/hm2（T3处理）、常规施肥+石膏300 kg/hm2（T4处理）对缓解大蒜连作障碍的影响。结果表明：缓解连作障碍效果最好的是T3处理，与CK相比大蒜产量提高了10.36%，达到显著水平；土壤pH值为8.32，有机质含量达到1.69%，钼、锌、速效氮、速效磷和速效钾等营养元素的含量也显著提高；土壤磷酸酶、过氧化氢酶和脲酶的活性显著提高；土壤中细菌和放线菌数量增加，真菌数量下降，使三大菌群的比例更为合理；植株的叶绿素含量和抗氧化能力也显著提高，从而提高了植株的光合效率和抗逆性。
- Abstract:
- Taking garlic as test material，in order to alleviate continuous cropping obstacle of garlic in Zhongmou，starting from the regulation of soil nutrient balance，conventional fertilization as CK(CK)，conventional fertilization+anti cropping agent as T1 treatment，conventional fertilization+zinc sulfate 22.5 kg/hm2+ammonium molybdate 0.45 kg/hm2 as T2 treatment,conventional fertilization+humic acid 900 kg/hm2 as T3 treatment，conventional fertilization+gypsum 300 kg/hm2 as T4 treatment.The results showed that，the best effect of relief continuous cropping obstacle of garlic was T3 treatment，compared with the control output increased by 10.36%,reached significant level，the pH value of the soil was 8.32，organic matter content reached 1.69%，the content of Mo,Zn,available N,available P and available K was also significantly improved，the activity of soil phosphatase,catalase and urease increased significantly，bacteria and actinomycetes in soil was increased，the quantity of fungi was decreased，so that the three bacterias ratio was more reasonable，the chlorophyll content and antioxidant capacity of plants was also significantly improved，so the photosynthetic efficiency and resistance of paints increased.
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备注/Memo
第一作者简介：王立河（1967-），男，河南唐河人，硕士，教授，现主要从事土壤与植物营养方面等研究工作。E-mail：wlhwww2002@aliyun.com.基金项目：河南省教育厅科学技术研究重点资助项目（13B210065）。