硅肥施用时期对水稻产量、品质和病害发生影响分析

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中图分类号：S511.062文献标志码：A

文章编号：1673-6737（2026）01-0013-05

Abstract：Toinvestigatetheefectsofsiliconfertiizerappicationtimingonriceyieldandgrainquality，Liaogeng-40was usedastheexperimentalmaterial，andthreeapplicationstagesweredesignedforcomparison.Theresultsindicated that applyingsiliconfertlizeratdiferentgrowthstagesoficeimprovedphotosyntheticeficiencyrootactivityyieldandgrain qualitytovaryingextents，whilereducingtheincidenceofsheathblight.Applicationduringthebotingstage（D3） significantlyenhancedtheseed-setingrate，panicle length，andnumberoffledgrainsperpanicle，whereasapplication duringthetileringstage（D2）effctivelyincreasedthe1，OOo-grainweightandthenumberofproductivepanicles.These findingssuggestthatoptimizingthetimingofsiliconfertlizerapplicationaccordingtovarietalgrowthcharacteristicscan serveasa practical strategy for achieving both high yield and superior quality inrice production.

KeyWords：Silicon fertilizer;Yield;Quality;Rice sheath blight

硅是植物生长发育过程中重要的营养元素之一，因其无毒、无味、不变质、不易流失等优点，成为绿色生态农业的高效优质肥料。（剩余5477字）