测土配方施肥对水稻产量性状和肥料利用率的影响研究

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中图分类号：S511.062文献标志码：A

文章编号：1673-6737（2025）05-0041-04

Study on the Effects of Soil Testing and Formula Fertilization on Rice Yield Traits and Fertilizer Utilization Efficiency

XU Yong-juan ，WEN Hui （Agricultural and Rural Development Center of Anshan City，Anshan Liaoning 1140O1，China）

Abstract：Tostudytheeffctsofsoiltestingandformula fertilizationonthegrowthcharacteristicsofrice，thegrainyield ofriceandtheutilizationrateofnitrogen，phosphorusandpotassiumfertilizersinAnshanCity，afeldexperimenton formulafrtilizationwascariedout.Theresultsshowedthatcomparedwiththeblankareaandthedeficientelementarea， thenumberofeffctive panicles，thenumberof grains perpanicleandthenumberoffiledgrainsofriceinthe full fertlzerareaweresignificantlyincreasedandtheyield-increasingefectwasobvious.Theoverallutilizationratesof nitrogen，phosphorusandpotassumwererelativelyhigh，andtheabsorptionandutilizationrateof nutrientsbyricewas potassium > nitrogen > phosphorus.

KeyWords：Fertilizer formulation； Yield; Biological traits;Utilization rate

水稻是我国重要的粮食作物之一，种植面积占我国谷物播种面积的 30.3% ，总产占粮食总产的 31.6%[1] 。（剩余4822字）