This study was to find out the suitable application amount of plant-derived humic acid organic fertilizer for selenium-rich rice production in northern Guilin area by applying the fertilizer at different amounts.The r...This study was to find out the suitable application amount of plant-derived humic acid organic fertilizer for selenium-rich rice production in northern Guilin area by applying the fertilizer at different amounts.The results showed that plant-derived humic acid organic fertilizer could effectively activate selenium in selenium-rich soil,and then promote the uptake of selenium by rice.With costs,selenium enrichment and rice yield as the main evaluation indicators,A4 was chosen as the best treatment,that is,the application of 4 500 kg/hm^2 of plant-derived humic acid organic fertilizer as base fertilizer could achieve the best benefit.展开更多
为探索硒肥对猕猴桃的增硒及增产效果,于2016年选用"康熙宝"富硒水溶肥在湘西自治州凤凰县"红心猕猴桃"品种上进行了叶面喷施试验。结果表明,喷施康熙宝富硒水溶肥(幼果期和壮果期2次喷施,每次用水溶肥100 m L对水1...为探索硒肥对猕猴桃的增硒及增产效果,于2016年选用"康熙宝"富硒水溶肥在湘西自治州凤凰县"红心猕猴桃"品种上进行了叶面喷施试验。结果表明,喷施康熙宝富硒水溶肥(幼果期和壮果期2次喷施,每次用水溶肥100 m L对水100 kg/667m^2)的处理比对照(只喷等量清水和不喷硒肥及清水)平均增硒0.026 mg/kg,含糖量降低0.4~0.5个百分点,含酸量比对照下降0.03个百分点,糖酸比提高了0.8~1.0,可溶性固形物提高0.9%;平均增产6.8%~8.6%,增产效果达到极显著水平。经农业部检测,猕猴桃含硒量达到湖南省地方标准《富硒产品硒含量标准》。说明施用康熙宝富硒水溶肥对红心猕猴桃的增硒和增产效果显著,可大面积推广应用。展开更多
基金Supported by the Special Fund for the Construction of Guangxi Innovation Team of China Agriculture Research Systemthe Agricultural Key Science and Technology Project of Guangxi(201621,201604)+6 种基金the Program for the Scientific Research and Technology Development in Guangxi(Guike AD16380194)the Special Fund for the Innovation-Driven Development in Guangxi(Guike AA17202026)the Key Research and Development Program of Guangxi(Guike AB16380207)the Science Research and Technology Development Program of Guilin City(2016011202,20170116-4)the Science Research and Technology Development Program of Nanning City(20165370)the Special Fund for the Collaborative Innovation of Fundamental Research,Guangxi Academy of Agricultural Sciences(Guinongke 2017YZ03)the Fund for Science and Technology Development of Guangxi Academy of Agricultural Sciences(2017JM07)
文摘This study was to find out the suitable application amount of plant-derived humic acid organic fertilizer for selenium-rich rice production in northern Guilin area by applying the fertilizer at different amounts.The results showed that plant-derived humic acid organic fertilizer could effectively activate selenium in selenium-rich soil,and then promote the uptake of selenium by rice.With costs,selenium enrichment and rice yield as the main evaluation indicators,A4 was chosen as the best treatment,that is,the application of 4 500 kg/hm^2 of plant-derived humic acid organic fertilizer as base fertilizer could achieve the best benefit.
文摘为探索硒肥对猕猴桃的增硒及增产效果,于2016年选用"康熙宝"富硒水溶肥在湘西自治州凤凰县"红心猕猴桃"品种上进行了叶面喷施试验。结果表明,喷施康熙宝富硒水溶肥(幼果期和壮果期2次喷施,每次用水溶肥100 m L对水100 kg/667m^2)的处理比对照(只喷等量清水和不喷硒肥及清水)平均增硒0.026 mg/kg,含糖量降低0.4~0.5个百分点,含酸量比对照下降0.03个百分点,糖酸比提高了0.8~1.0,可溶性固形物提高0.9%;平均增产6.8%~8.6%,增产效果达到极显著水平。经农业部检测,猕猴桃含硒量达到湖南省地方标准《富硒产品硒含量标准》。说明施用康熙宝富硒水溶肥对红心猕猴桃的增硒和增产效果显著,可大面积推广应用。