有机肥对红葱生长和产量及土壤肥力的影响

为提高红葱生产效益，解决红葱长期连作引起土壤连作障碍等问题，用农业废弃资源草菇渣的发酵产物为主要原料，与土壤改良剂混配成有机肥，在红葱上进行小区试验和生产试验。结果表明：有机肥能促进红葱植株的株高、叶片长、鳞茎长、鳞茎粗的生长，促进植株分蘖，提高红葱单株重量和各器官的重量，提高红葱产量，特别是前期产量比对照提高了61.6%~72.5%，小区试验的差异极显著；有机肥还固定和活化土壤营养，提高土壤交换性钙、交换性镁的含量，中和土壤酸性，降低土壤EC值，最终达到了平衡土壤养分，改善土壤理化性状等效果；而试验农户的土壤存在磷、钾肥过量，镁肥缺乏的问题。本试验为草菇渣等有机废弃物的综合利用，提高城郊农业生态环境的保育功能，增加红葱生产效益提供了合理有效的技术措施。

Effects of Organic Fertilizer on the Growth and Yield of Shallot Onion and Soil Fertility

To improve the production benefit of shallot onion (Allium ascalonicum L.),and solve the problem of soil continuous cropping obstacle caused by it.An organic fertilizer,which was made of fermentation products from straw mushroom residue and soil modifier,was used in both plot and field trials.The results showed that the organic fertilizer improved the plant height and the leaf length,increased the diameter and the length of bulb and promoted the tillering of shallot onion,and raised the weight of single pla...