EFFECT OF APPLIED N, P AND K ON PEANUT YIELD, QUALITY AND NUTRIENTS UPTAKE IN SANDY SOILS.

Document Type : Original Article

Authors

1 Oil Crops Department, FCRI, ARC, Giza, Egypt.

2 Soils, Water and Environment Res. Inst., Agric. Res. Center, Giza, Egypt

Abstract

Two field experiments were carried out at Ismailia Agricultural Research Station during 2011 and 2012 summer growing seasons to investigate the effects of applied N, P and K on peanut yield, quality and some macronutrients (N, P and K) uptake in sandy soils. Results showed that Ismailia-1 genotype surpassed Gregory genotype regarding plant growth, yield components and pod, seed quality except number of branches plant-1 and pod yield fed.-1 and N, P and K uptake in peanut seeds.
Increasing N, P and K rates from (30-30-24 to 60-45-48kg NPK fed.-1) significantly increased plant height, number of branches plant-1, seed weightplant-1, pod yield fed.-1,100-pod weight, 100-seed weight, shelling % and N, P and K-uptake.
Results also showed that the interaction among genotypes and nitrogen, phosphorus and potassium fertilization had significant effects on all studied traits in both seasons. Also pod yield (kg fed.-1) was positively correlated with all studied characters.
Generally, Ismailia-1 genotype as well as (60,45and 48 kg NPK fed.-1) gave the highest values of most studied traits in the both seasons.

Keywords

Journal of Soil Sciences and Agricultural Engineering
Volume 5, Issue 8
August 2014
Pages 1141-1154

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