Investigation of the interaction of humic acid and zinc nanoparticles on yield and yield components of pinto beans

Mohamad ali Bahrami ¹ ( M.Sc in Agronomy, Ashtian Branch, Islamic Azad University, Ashtian, Iran )
Nourali Sajedi ² ( Department of Agronomy and plant Breeding, Arak Branch, Islamic Azad University, Arak, Iran. )
shahram shoaei ³ ( Department of science and technology, Ashtian Branch, Islamic Azad University, Ashtian, Iran. )

Submited date : 2021-05-08 Accepted date : 2021-05-27

Keywords: Grain yield, Humic acid, Pinto beans, Zinc nanofertilizer,

Abstract :

This experiment was conducted in order to investigate the effect of humic acid and zinc nanoparticles on improving the yield of pinto beans, Talash cultivar in a farm of Shazand city of Markazi province. Experiment was performed as factorial based on a randomized complete block design (CRBD) with three replications. The studied factors included humic acid in four levels (0, 0.5, 1 and 1.5 ml/lit) and zinc nanoparticles in four levels (0, 0.5, 1 and 1.5 ml/lit). The results showed that, Application of this compound did significantly effect on yield and yield components. The highest seed yield (3370 kg/ha) was obtained from applied of 1.5 mg per liter humic acid with 1.5 ml/lit nanoparticles. With foliar application of 1 ml/liter humic acid along with 1.5 ml/lit zinc nanoparticles increased the harvest index by 7.9% as compared with control. In general, the results showed that foliar application of 1 ml/liter humic acid along with 1.5 ml/lit zinc nanoparticles, by improving the yield components, the pinto beans optimum yield is achieved.