氮、磷、钾肥对水稻产量、品质及养分吸收利用的影响.pdf

文档介绍：(ChinJ Sci)201125(6)645653
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DOI103969jissn********** 645
氮、磷、钾肥对水稻产量、品质及养分吸收利用的影响
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Effects NPK Application Grain 琎, and
Utilization
猲, Jian-weilHEYuqin92LI’。
疌 ofResources and EnvironmentHuazhongAgriculturalUniversityWuhan, Key
ic ImprovementHuazhong UniversityWuhan430070ChinatCorresponding,:.
.甤
WeiniIUJianweiHE, a1Effects NPK application grain 。
and utilization . J 125(6)645-653
AbstractBased the341 4fertilizer designtheeffects 甈 and K application grain yield
grain quality and utilization elucidate the interactive effects among 甈
and K a field nitrogen(N)phosphorus(P)and甌 results
the application 琍 and K significantly increased grain 產 the highest yield was found under the joint
application 琍 and K fertilizerTheapplication quality markedlyForexamplehead
was increased and degreelengthwidthratio grain and amylose content decreased due
the application 甈 and KAndtheapplication N and P increased protein content brown and decreased green
rateTheapplication and K increased total nutrient(show NP2, and
per 100 琤 reduced dry and grain .
Meanwhilefertilizer efficiencyagronomic and physiological the
琍 and K application rateGrainyield was significantly the interaction between N and 甆 and and K
respectivelyandthe synergistic fertilizers application rates lower 。
otherwise antagonisticThe signifi