摘要
通过大蒜氮肥用量和丰缺指标多点田间试验研究,采用Excel进行统计分析,建立不同氮肥用量与产量的效应函数,推荐大蒜氮肥用量369.9 kg/hm2;以土壤中速效磷、速效钾养分的测定值及其相对产量拟合回归方程,再以相对产量的55%、75%、80%、90%划分土壤养分丰缺指标,同时结合大蒜的目标产量,进行磷、钾施肥量的推荐,分别为200、300 kg/hm2。
This paper investigated the usage of garlic nitrogen fertilizer and the shortage as well as abundance parameters through muhi-target field trials. Using Excel for statistical analysis, the effect function between different usage of nitrogen fertilizer and yield was established, the recommended usage of nitrogen fertilizer was 369.9 kg/hm2. The regression equation was fitted between the measured value of soil available phosphorus and potassium nutrient and deficiency were divided as 55%, 75%, 80%, 90% of the relative yield. According to the target yield, the usage of phosphorus and potassium fertil- izer was recommender as 200, 300 kg/hm2.
出处
《中国土壤与肥料》
CAS
CSCD
北大核心
2013年第2期62-65,79,共5页
Soil and Fertilizer Sciences in China
基金
全国测土配方施肥补贴项目[(2009)215号]
关键词
潮土
大蒜
氮磷钾
施肥研究
fluvo-aquic soil
garlic
NPK
fertilization