控释复合肥配施保水剂的盆栽月季节水保肥效果

该文旨在探究肥料配施保水剂对土壤节水保肥能力的影响及其在盆栽月季中的实际应用效果,为其科学施用提供依据。采用土柱模拟和盆栽月季试验,研究普通复合肥与包膜型控释复合肥搭配0、0.25‰和0.5‰土壤质量的保水剂对土壤水、氮、钾淋失率及月季生长生理性状的影响。结果表明:土柱淋溶条件下,与普通复合肥配施等量保水剂处理相比,控释复合肥处理的氮、钾淋失率分别降低了72.4%-75.6%和81.5%-84.2%;普通复合肥两处理间的氮淋失量无差异,但随着保水剂用量的增加,钾淋失量显著减少11.6%-26.3%;月季盆栽试验中,与普通复合肥配施等量保水剂处理相比,控释复合肥配施保水剂的处理使月季初花期提前5...

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Published in农业工程学报 Vol. 33; no. 13; pp. 175 - 182
Main Author 赵晨浩 张民 刘之广 张强 郑文魁 杨修一 马金昭
Format Journal Article
LanguageChinese
Published 山东农业大学泉林黄腐酸肥料工程实验室,土肥资源高效利用国家工程实验室,山东农业大学资源与环境学院,泰安 271018%山东农业大学泉林黄腐酸肥料工程实验室,土肥资源高效利用国家工程实验室,山东农业大学资源与环境学院,泰安 271018 2017
养分资源高效开发与综合利用国家重点实验室,金正大生态工程集团股份有限公司,临沭 276700%养分资源高效开发与综合利用国家重点实验室,金正大生态工程集团股份有限公司,临沭 276700
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Summary:该文旨在探究肥料配施保水剂对土壤节水保肥能力的影响及其在盆栽月季中的实际应用效果,为其科学施用提供依据。采用土柱模拟和盆栽月季试验,研究普通复合肥与包膜型控释复合肥搭配0、0.25‰和0.5‰土壤质量的保水剂对土壤水、氮、钾淋失率及月季生长生理性状的影响。结果表明:土柱淋溶条件下,与普通复合肥配施等量保水剂处理相比,控释复合肥处理的氮、钾淋失率分别降低了72.4%-75.6%和81.5%-84.2%;普通复合肥两处理间的氮淋失量无差异,但随着保水剂用量的增加,钾淋失量显著减少11.6%-26.3%;月季盆栽试验中,与普通复合肥配施等量保水剂处理相比,控释复合肥配施保水剂的处理使月季初花期提前5-7 d,盛花期延长5-10 d,株高增加12.8%-36.0%,茎粗增加5.4%-15.2%,分别提高了月季叶片的超氧化物歧化酶SOD、过氧化氢酶POD活性12.6%-33.0%和14.5%-31.1%。控释复合肥配施0.25‰土壤质量保水剂能显著提高土壤节水、保肥能力和盆栽月季观赏价值,更能满足盆栽月季的生长及生理需求。
Bibliography:11-2047/S
Zhao Chenhao1, Zhang Min1, Liu Zhiguang1,2, Zhang Qiang2, Zheng Wenkui1, Yang Xiuyi1, Ma Jinzhao1 (1. Engineering Laboratory for Tranlin Fulvie Acid Based Fertilizer of Shandong Agricultural University, National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources, College of Recourses and Environment, Shandong Agricultural University, Taian, 271018, China; 2. State Key Laboratory of Nutrition Resources Integrated Utilization, Kingenta Ecological Engineering Group Co., Linshu 276700, China)
soils; fertilizers; physiology; controlled-release compound fertilizer; water retention agent; soil column simulation; water and fertilizer conservation; Chinese rose
Water retaining agent (WRA) is a high-hydrophilic polymer which absorbs large amount of water, and is widely used in agriculture. WRA and fertilizer application of collocation is one of the important techniques of water and fertilizer management. In order to study the effects of WRA combined with different fertilizers on th
ISSN:1002-6819
DOI:10.11975/j.issn.1002-6819.2017.13.023