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Agricultural Journal
Year: 2012  |  Volume: 7  |  Issue: 6  |  Page No.: 401 - 404

Responses of Productivity and Quality of Cucumber to Application of the Two Bio-Fertilizers (Humic Acid and Nitroxin) in Fall Planting

Shirzad Sure, Hosein Arooie, Kamaladin Sharifzade and Reza Dalirimoghadam    

Abstract: Bio-fertilizers are low cost renewable source of plant nutrients which supplement chemical fertilizers. In this study, researchers determine the influence of exogenously applied two bio-fertilizers humic acid and nitroxin on morphological characteristics, fruit yield and quality of cucumber grown under direct soil conditions in a fall planting. The experiments were carried out in a factorial trial based on completely randomized block design with three replicates. The treatments were foliar application of humic acid at 0, 10, 20 and 30 mL-1 and nitroxin at 0, 10, 20 and 30 mL-1. Humic acid and nitroxin spray started in two true leaf stages for 3 times. The results showed that all humic acid and nitroxin treatments had significant effects on growth, yield and chemical characteristics including: Number of leaf/plant DM(%) plant, fruit diameter and length, fruit yield ha-1. Also, fruit quality such as fruit firmness, total soluble sugars, fruit skin total chlorophyll, fruit skin chlorophyll a, fruit skin chlorophyll b were affected by bio-fertilizers (humic acid and nitroxin). Spraying with humic acid 30 mL-1 can be a suitable treatment for enhancing growth and yield of cucumber plant.

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