Abstract: The effects of combined application of different kinds of organic fertilizers (with soybean meal organic fertilizer, Lüyinggao ecological fertilizer, Baoda organic fertilizer and chicken manure organic fertilizer) and chemical fertilizers on plant height, leaf numbers, weight per plant, yield and economic benefit of pak-choi (Brassica campestris subsp. chinensis var. communis) were studied in field. The results indicated that the fertilization showed a significantly impact on the vegetables height, leaf number, weight, yield and net income with an increase rate of 7.04%—16.08%, 20.43%—23.66%, 108.07%—163.60%, 158.06%—232.26% and 250.28%—408.09% respectively. The vegetable yield and net income of the treatment applied Lüyinggao fertilizer were the highest, they reached the 15 451.5 kg·hm-2 and 28.58 thousand yuan·hm-2 respectively, and increased 28.75% and 43.26% respectively compared with the local custom application of chicken manure fertilizer treatment, the differences between Lüyinggao fertilizer treatment and chicken manure fertilizer treatment were extremely significant. Treatment of combined application of Lüyinggao fertilizer and chemical fertilizer could promote the increases in production and income, so the dosage and method were recommended: combination of Lüyinggao fertilizer 3349.95 kg·hm-2 and Shima compound fertilizer (15-15-15) 300 kg·hm-2 as the basal one-time applied, while long-term application by the method might bring heavy metal safety risk and soil secondary salinization problems for the agricultural product.

Key words: organic fertilizer, chemical fertilizer, vegetable, yield, benefit

摘要： 以小白菜Brassica campestris subsp. chinensis var. communis为试材，通过田间试验，研究同等肥料成本条件下，豆粕有机肥、绿营高生态肥、宝大牌有机肥及鸡粪有机肥配施化肥对小白菜株高、叶片数、单株重及产量、效益的影响。结果表明，4种有机肥配施化肥，小白菜株高、叶片数、单株重和产量、净收入明显高于对照，其增幅分别为7.04%～16.08%、20.43%～23.66%、108.07%～163.60%和158.06%～232.26%、250.28%～408.09%，且差异极显著。其中以绿营高生态肥种植的小白菜产量(15 451.5 kg·hm-2)、净收入(2.858万元·hm-2)最高，分别较鸡粪肥处理增加28.75%、43.26%，差异极显著。经产量效益分析表明，绿营高生态肥配施化肥可促进小白菜增产增收，其用量与方法为生态肥3349.95 kg·hm-2配施基肥型复合肥(15-15-15) 300 kg·hm-2，作为基肥一次性施入收益最佳。

关键词: 有机肥, 化肥, 蔬菜, 产量, 效益