摘要
研究结果表明,宁夏红寺堡扬黄新灌区沙壤灰钙土氮、磷、钾对甘草总黄酮含量影响大小为:施磷(负效应)大于施氮(正效应)大于施钾(负效应);因子互作效应对甘草总黄酮含量影响大小顺序为P×K〉N×P〉N×K;红寺堡扬黄新灌区沙壤灰钙土人工栽培甘草总黄酮含量≥5.0%以上的农艺措施为:施纯N119.6—138.8kg hm^-2、施纯P2O5 153.2.-178.5kg hm^-2、施纯K2090.9—105.6kg hm^-2。
In this paper, the effects of N, P and K interaction on licorice flavanone content were studied. A sandy soil in the Yanghuang newly - irrigated areas, Hongsibu, Ningxia Province was used. The result showed that the effect of N,P and K on Licorice flavanone content was P 〉 N 〉 K and the interaction factors were P × K 〉 N × P 〉 N × K. In the Yanghuang newly - irrigated areas, the content of total flavanone in cultivated Licorice could be increased by more than 5.0% if the amount of fertilizers were applied as follows: N 119.6 - 138.8 kg hm -2, p205 153.2 - 178.5 kg hm ^-2 and K2O 90.9 - 105.6 kg hm^-2.
出处
《土壤通报》
CAS
CSCD
北大核心
2007年第2期301-304,共4页
Chinese Journal of Soil Science
基金
国家科技部西部专项项目"宁夏地道沙生中药材资源保护及可持续发展关键技术研究与示范"(项目编号2002BA901A32)
宁夏"8613"农业科技攻关项目"农业产业化关键技术研究与开发"重大专项--重点地道中药材开发技术研究(项目编号2002-Z01-08)
宁夏自然科学基金项目"人工栽培对甘草质量影响研究"(项目编号AC0003)
关键词
甘草
种植
甘草黄铜
Licorice
Plant
Licorice flavanone