Response of Soybean to Nitrogen Levels and Weed Management on Growth, Yield and Economic Efficiency

Mohibullah Samim; Moazam Haqmal; Atiqullah Afghan; Khalilullah Khaleeq; Ahmadullah Ahmadi

doi:10.55544/jrasb.2.5.23

Authors

Mohibullah Samim Department of Agronomy, Faculty of Agriculture, Badghis University, AFGHANISTAN. https://orcid.org/0009-0000-9052-135X
Moazam Haqmal Department of Horticulture, Faculty of Agriculture, Badghis University, AFGHANISTAN.
Atiqullah Afghan Department of Agronomy, Faculty of Agriculture, Badghis University, AFGHANISTAN.
Khalilullah Khaleeq Department of Agronomy, Faculty of Agriculture, Kunduz University, AFGHANISTAN.
Ahmadullah Ahmadi Department of Agronomy, Faculty of Agriculture, Urozgan University, AFGHANISTAN.

DOI:

https://doi.org/10.55544/jrasb.2.5.23

Keywords:

economic efficiency, growth, Nitrogen, Soybean, weed, yield

Abstract

A field experiment was conducted during 2021 at the farm of Afghanistan National Agricultural Science and Technology University (ANASTU) to find out the suitable Response of Soybean to Nitrogen Levels and Weed Management on growth, yield and economic efficiency, the experimental design was Split plot design with two factors replicated thrice, the experiment consist of three weed management methods (Un-weeded check, Pendimethalin + hand weeding and Pendimethalin + Imazethapyr) and four nitrogen levels (Control, 40 kg N/ha, 60 kg N/ha and 80 kg N/ha). The maximum growth, yield and economic efficiency was in treatment (Pendimethalin + Imazethapyr), Root dry weight (9.42/plant), Nodules/plant (25.5),Nodes/plant (25.57, 27.68), Internodes distance(36.88 mm), Pods/plant(41.1), Seeds/pod (2.5), 1000 seed weight (102.5 gr), Grain yield (2.20 ton/ha), Gross Returns (187.863 AFN/ha), Net Returns (134.308 AFN/ha) and Benefit: cost ratio (2.504) compared to Un-weeded check and Pendimethalin + hand weeding, Root dry weight (9.67g/plant), Nodules/plant (25.6), Nodes/plant (27.68), Internodes distance(37.99 mm), Pods/plant(45.3), Seeds/pod (2.5), 1000 seed weight (104.7gr), Grain yield (2.20 ton/ha), Gross Returns (187.922 AFN/ha), Net Returns (133.159 AFN/ha) compared to 60 kg N/ha, 40 kg N/ha and control. it can be concluded that the application of (Pendimethalin + Imazethapyr) along with 80 kg N/ha was found to be suitable for profitable cultivation of soybean with optimum quality under the agro-climatic conditions of Kandahar Afghanistan.

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