Response of Cow pea (Vigna unguiculata L.) to seeds rate and Foliar spray of Ca Nanoparticles
DOI:
https://doi.org/10.54174/utjagr.v12i2.293Keywords:
seeds rate, foliar spray , Cow pea ,Nano CaAbstract
Field experiment conducted at summer in two season 2020-2021 and 2021-2022 on clay sandy soil in Al-Diwanyia. The experiment was design as Complete randomized block designing with three replications arranged for split-pilot design, and Lest Significant Deference's( LSD) 0.05 the main treatment contend two groups seeds rate 25 and 50 Kg ha-1 within there four levels of Nano Ca( 0 , 30 , 60 , 90) PPM I took sample of soil before planting to analysis it and to learn physical and chemical properties table 1. Cowpea( Vigna unguiculata L.) were sowing at two rates 25 and 50kg.ha-1(3 cm depth) at 1/4 , after 7 months I took a samples to measure . The results showed all factors and interactions were significant effect and increased all growth traits (plant height, number of leaves per plant and stem diameter , plant content of protein , carbohydrate total Chlorophyll and fats and active substances ,) lead to increased grain yield max values (2.72 Ton.ha-1) at interaction of 25 seeds rate and 90 ppm Ca Nanoparticles level, while min value(1.9 Ton.ha-1) at interaction 50 seed rate and 0 ppm Ca Nanoparticles level.
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