[Objectives]This study was conducted to investigate the scientific application of silicon fertilizer in rice cultivation,one of the staple crops.[Methods]In 2022,Yandu District carried out a special experiment and fie...[Objectives]This study was conducted to investigate the scientific application of silicon fertilizer in rice cultivation,one of the staple crops.[Methods]In 2022,Yandu District carried out a special experiment and field demonstration study on the effects of foliar application of Zhengda water-soluble silicon fertilizer on rice production.[Results]The preliminary results showed that①Zhengda water-soluble silicon fertilizer could effectively improve the growth and development of rice and improve the population quality.The peak number of tillers,productive tiller percentage,number of effective panicles and number of effective grains per panicle increased by 6.7%,5.8%,5.5%,and 1.2%,respectively.②The yield and processing quality were improved.After applying silicon fertilizer,the yield per unit area increased by about 6.8%,and the unpolished rice yield,milled rice yield and head rice yield increased by 0.7%,1.94%and 2.15%respectively.[Conclusions]The demonstration application of silicon fertilizer in field cultivation of rice in Yandu District further proves previous research conclusions and has important practical significance.展开更多
研究不同浓度的叶面硅肥(OBFs)喷施下密花甜糯12号玉米产量及其构成因素的变化,以期为闽东红壤区玉米高产栽培提供理论指导。在常规施肥的基础上,以不施硅肥为对照(T_(0),CK),设置5个叶面硅肥喷施浓度1.34(T_(1))、6.67(T_(2))、10.00(T...研究不同浓度的叶面硅肥(OBFs)喷施下密花甜糯12号玉米产量及其构成因素的变化,以期为闽东红壤区玉米高产栽培提供理论指导。在常规施肥的基础上,以不施硅肥为对照(T_(0),CK),设置5个叶面硅肥喷施浓度1.34(T_(1))、6.67(T_(2))、10.00(T_(3))、13.34(T_(4))、16.67 mL OBFs L^(-1)(T_(5)),研究不同浓度的OBFs叶面硅肥对玉米籽粒养分吸收、产量及构成因素的影响。结果表明:喷施不同浓度的OBFs叶面硅肥可以显著促进玉米籽粒吸收钾和硅元素。T_(2)、T_(3)、T_(4)和T_(5)处理比T_(0)(CK)玉米籽粒钾吸收量分别增加7.4%、4.9%、10.4%和15.3%;与T_(0)(CK)相比,T_(1)、T_(2)、T_(3)、T_(4)和T5处理玉米籽粒硅吸收量分别提高2.1、2.5、2.4、2.3和3.4倍。玉米籽粒钾和硅吸收量的增加进一步改善了玉米棒长和棒粗。相比T_(0)(CK),T_(1)、T_(2)、T_(3)、T_(4)和T_(5)处理玉米棒长分别增加15.2%、19.2%、24.2%、26.6%和29.7%,棒粗分别提高1.3%、1.6%、3.1%、2.7%和5.5%。T_(1)、T_(2)、T_(3)、T_(4)和T_(5)处理玉米产量分别比T_(0)增加1.9%、3.1%、13.1%、17.4%和18.7%。由线性回归分析可知,玉米增产过程中起主导作用的因子是玉米籽粒钾和硅吸收量的增加。综上,喷施不同浓度的OBFs叶面硅肥有助于增加玉米籽粒吸收钾和硅元素,改善玉米棒长和棒粗,从而提高玉米产量,尤其是13.34、16.67 mL·L^(-1)为闽北红壤区玉米种植OBFs叶面硅肥较佳的喷施浓度。展开更多
文摘[Objectives]This study was conducted to investigate the scientific application of silicon fertilizer in rice cultivation,one of the staple crops.[Methods]In 2022,Yandu District carried out a special experiment and field demonstration study on the effects of foliar application of Zhengda water-soluble silicon fertilizer on rice production.[Results]The preliminary results showed that①Zhengda water-soluble silicon fertilizer could effectively improve the growth and development of rice and improve the population quality.The peak number of tillers,productive tiller percentage,number of effective panicles and number of effective grains per panicle increased by 6.7%,5.8%,5.5%,and 1.2%,respectively.②The yield and processing quality were improved.After applying silicon fertilizer,the yield per unit area increased by about 6.8%,and the unpolished rice yield,milled rice yield and head rice yield increased by 0.7%,1.94%and 2.15%respectively.[Conclusions]The demonstration application of silicon fertilizer in field cultivation of rice in Yandu District further proves previous research conclusions and has important practical significance.
文摘研究不同浓度的叶面硅肥(OBFs)喷施下密花甜糯12号玉米产量及其构成因素的变化,以期为闽东红壤区玉米高产栽培提供理论指导。在常规施肥的基础上,以不施硅肥为对照(T_(0),CK),设置5个叶面硅肥喷施浓度1.34(T_(1))、6.67(T_(2))、10.00(T_(3))、13.34(T_(4))、16.67 mL OBFs L^(-1)(T_(5)),研究不同浓度的OBFs叶面硅肥对玉米籽粒养分吸收、产量及构成因素的影响。结果表明:喷施不同浓度的OBFs叶面硅肥可以显著促进玉米籽粒吸收钾和硅元素。T_(2)、T_(3)、T_(4)和T_(5)处理比T_(0)(CK)玉米籽粒钾吸收量分别增加7.4%、4.9%、10.4%和15.3%;与T_(0)(CK)相比,T_(1)、T_(2)、T_(3)、T_(4)和T5处理玉米籽粒硅吸收量分别提高2.1、2.5、2.4、2.3和3.4倍。玉米籽粒钾和硅吸收量的增加进一步改善了玉米棒长和棒粗。相比T_(0)(CK),T_(1)、T_(2)、T_(3)、T_(4)和T_(5)处理玉米棒长分别增加15.2%、19.2%、24.2%、26.6%和29.7%,棒粗分别提高1.3%、1.6%、3.1%、2.7%和5.5%。T_(1)、T_(2)、T_(3)、T_(4)和T_(5)处理玉米产量分别比T_(0)增加1.9%、3.1%、13.1%、17.4%和18.7%。由线性回归分析可知,玉米增产过程中起主导作用的因子是玉米籽粒钾和硅吸收量的增加。综上,喷施不同浓度的OBFs叶面硅肥有助于增加玉米籽粒吸收钾和硅元素,改善玉米棒长和棒粗,从而提高玉米产量,尤其是13.34、16.67 mL·L^(-1)为闽北红壤区玉米种植OBFs叶面硅肥较佳的喷施浓度。
