ZHOU Hongwei.Nitrogen Control Test of Cucumber in Solar Greenhouse[J].Northern Horticulture,2016,40(07):162-165.[doi:10.11937/bfyy.201607041]
日光温室黄瓜氮肥总量控制试验
- Title:
- Nitrogen Control Test of Cucumber in Solar Greenhouse
- 文献标志码:
- A
- 摘要:
- 以黄瓜品种“驰誉A5”、“津优35”为试材,进行日光温室氮肥总量控制试验,研究目标产量为52 500 kg/hm2,磷、钾施用纯量分别为127.5、180.0 kg/hm2条件下的氮肥施用量。结果表明:纯氮用量达169 kg/hm2时黄瓜品种农艺性状、经济产量、肥料投入与收益均最佳。经验证优化得出试验区温室黄瓜最优施肥比例为N∶P2O5∶K2O=11.0∶8.5∶12.0;对于生长量大、生育期较长的品种,秋延后或越冬茬栽培时需增加生长中后期的追肥次数和追肥量。
- Abstract:
- Taking cucumber varieties ‘Chiyu A5’,‘Jinyou 35’ as test materials,carried out the nitrogen control experiment in solar greenhouse.Under the conditions that the optimization target yield of 52 500 kg/hm2,the fertilizer that the P fertilizer (P2O5) and K fertilizer (K2O) were applied at 127.5 kg/hm2 and 180.0 kg/hm2.The results showed that the pure nitrogen amount up to 169 kg/hm2,cucumber varieties agronomic characters,economic yield,fertilizer input and benefits all the best.After verified and optimized,the results also showed that the best cucumber fertilizer proportion of N∶P2O5∶K2O=11.0∶8.5∶12.0 was applied to experimental zone of plastic greenhouse;the cucumber varieties that larger growth and long growth period should increase nitrogen fertilizer topdressing frequency and fertilizer quantity in growth later period under the condition of autumn delay or overwintering cultivation.
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备注/Memo
作者简介:周红伟(1981-),女,硕士,农艺师,研究方向为蔬菜栽培与蔬菜种质资源利用。E-mail:zhouhongwei0711@163.com.