PJB-2023-289
Optimizing rice production in Sindh: unleashing the power of plant nutrients and weed control for superior quality harvests of paddy rice (Oryza sativa L.)
Reema Vistro, Qamaruddin Jogi, Muhammad Nawaz Kandhro, Naimatullah Laghari and Ghulam Murtaza Jamro
Abstract
The current field experiments were conducted during two successive years throughout Kharif, 2017 and 2018 at Students’ Experimental Research Farm, Department of Agronomy, Sindh Agriculture University, Tandojam, Pakistan. The rice variety Shandar 45 days old seedlings were transplanted on 15 May in both years. The experiment was conducted in 20 m2 (5m × 4m) plots, with a 40cm border, following randomized complete block design. The results showed significant effects on weed, agronomic and physiological traits. Minimum interactive values for weed density was observed with F3 = NPK + Zn 160+80+80+6.0 kg ha-1 × W1 = (No weeding), minimum fresh biomass of weed (g m-2) and weed dry biomass (g m-2) was observed with F3 = NPK + Zn 160+80+80+6.0 kg ha-1 × W4 = Herbicide Machete 60 EC at 1.25 L ha-1 + Sorghum water extract at 25 L ha-1. However, minimum weed control (0.00 %) was found with F1 = No fertilizer (Control) × W1 = Weedy check (No weeding). Maximum interactive values were noted for panicle length, kernel panicle-1, seed index (1000 kernel wt. g), kernel yield (t ha-1) and protein (%) with F3 = NPK + Zn 160+80+80+6.0 kg ha-1 × W4 = Herbicide Machete 60 EC at 1.25 L ha-1 + Sorghum water extract at 25 L ha-1 (10 DAT). The maximum kernel wt. panicle-1 (g) was recorded with F3 = NPK + Zn 160+80+80+6.0 kg ha-1 × W3 = Sorghum water extract at 25 L ha-1 (10 DAT). However, maximum crop growth rate (gm-2 day-1) was recorded with F4 = NPK + B 160+80+80+1.0 kg ha-1 × W3 = Sorghum water extract at 25 L ha-1 (10 DAT). The study revealed research areas to establish adequate management practices through different levels of nutrients and weed control for the enhancement of quality paddy rice production
To Cite this article:
Vistro, R., Q. Jogi, M.N. Kandhro, N. Laghari and G.M. Jamro. 2024. Optimizing rice production in Sindh: unleashing the power of plant nutrients and weed control for superior quality harvests of paddy rice (Oryza sativa L.). Pak. J. Bot., 56(6): DOI: http://dx.doi.org/10.30848/PJB2024-6(35)
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