YIELD AND ITS COMPONENTS OF SOYBEAN AS AFFECTED BY TILLAGE SYSTEM, PLANT POPULATION DENSITIES AND WEED CONTROL TREATMENTS. | ||||
| Minia Journal of Agricultural Research and Development | ||||
| Volume 43, Issue 4, December 2023, Page 545-567 PDF (1.05 MB) | ||||
| DOI: 10.21608/mjard.2023.321801 | ||||
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| Abstract | ||||
| Two field experiments were carried out at the Faculty of Agriculture's experimental farm during the two successive growing seasons of 2019 and 2020 to investigate the effects of the tillage system, plant densities, and weed control methods as well as their interactions on the yield and its components of soybean (Glycine max, L., Merrill) cv. Giza111. The preceding crop was wheat, which was ridge-planted in both seasons. The obtained indicated that full-tillage improved all examined parameters of soybean (plant height, branches number, number of pods per plant, 100 seeds weight, seed yield /plant and /fed., and straw yield/fed.) comparing to no-till system in both seasons. Plant population at a rate of 140000 plant/fed. gained the highest values of branches per plant, pods number per plant and 100 seed weight, while the heaviest seed yield/plant. As well as seed and straw yields per feddan were recorded with 186666 plant/fed. in both seasons. Plants received Select super 500 ml/fed. (35 DAS) plus Basagran 750 ml/fed. (50 DAS) produced the tallest plants, the highest number of pods/plant and 100 seed weight, however, the heaviest yields either of seeds or straw were recorded with Select super 250 ml/fed. (35 DAS) plus Basagran 750 ml/fed. (50 DAS). It could be concluded that for the best productivity of soybean, it should be to adapt full-tillage system, with plant density of 186666 plants/fed. and treated the plants with Select super 250 ml/fed. (35 DAS) plus Basagran 750 ml/fed. (50 DAS). | ||||
| Keywords | ||||
| tillage; plant density; weed control; soybean; yield | ||||
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