Towards the Optimal Use of Organic Additives to Improve Growth Characteristics and Enhance the Productivity of Sugar Beet Crop

Document Type : Original Article

Authors

1 Plant Nutrition Department, National Research Centre, Dokki, Egypt

2 Agronomy Department, Faculty of Agriculture, Benha University, Egypt

Abstract

Organic amendments are increasingly recognized for sustainably enhancing crop productivity, particulary in arid soils, by improving soil health and reducing environmental impact. This study was undertaken over two seasons (2021/2022 and 2022/2023) at El-Nobaria Farm, El-Beheira Governorate, National Research Centre’s Research and Production Station,. to assess the impact of three organic additives chicken manure, farmyard manure, and compost applied at 2.50, 2.86, and 4.32 t fed⁻¹, respectively, in comparison with recommended mineral NPK fertilization. A randomized complete block design (RCBD) with three replications was utilized. Results indicated that chicken manure significantly improved sugar beet growth parameters, mineral composition, and quality traits, leading to the highest root yield 17.9% greater than the NPK control and superior economic returns. The treatments can be ordered from highest to lowest as follows: chicken manure, followed by farmyard manure, then
recommended NPK, and finally compost. Consequently, applying chicken manure at 2.50 t fed⁻¹ is recommended to enhance productivity and profitability under sandy soil conditions in Egypt.

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