Abstract
Theobjective ofthisstudy wasto evaluatethecultivationofpeanutsasafunctionofphosphateandpotassiumfertilizationinsowingandspacingbetweenplants,indrylandanddripirrigationinCariri-CE.A randomized block design was used in a split-plot scheme with four replications. TheplotsconsistedofthefertilizationdoseswithKandPofsowing(0,50,100and150%oftherecommendeddose)andthesubplotsbytwospacingsbetweenplants(10and20cm).Thevariablesevaluatedwereinitialpopulation,finalpopulation,plantheight,grainmassperplant,numberofpodsperplant,podmassperplant,grainmassperpods,massof1000grainsandmassof100pods,podyield,grainyieldandpercentageofnon-commercialgrains.Theresultsshowedthatthedrysequeiroandirrigationsysteminfluencedtheproductionofpeanutsandfertilization inthenumberofpodsandthemassofpodsperplantweresignificant,obtainingthemaximumpointatdosesof82.58and80.37%,respectively.Thespacingof20cmincreasedgrainyieldbyplantsandthemassof1000grainsby10.77%and14.8%,respectively.
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