Role of Tillage and Bio-Humus in The Restoration of Degraded Pastures of Agropyrum Pectiniforme in the Steppe Zone of Northeast Kazakhstan Under Changing Climatic Conditions
Kukusheva A. Kakezhanova Z. Uakhitov Z. Sarbasov A. Nasiyev B.
31 December 2024Unique Scientific Publishers
International Journal of Agriculture and Biosciences
2024#13Issue 4560 - 573 pp.
Expanding the area of hay and pasture lands is not just a solution to the problem of desertification but a necessity to ensure a consistent supply of livestock feed in the current climate change scenario. Therefore, this work, which aims to identify effective methods for improving degraded perennial grass stands, using wheatgrass (Agropyrum pectiniforme) as an example, is of utmost importance. The study was conducted over three consecutive years in the steppe zone of Northeast Kazakhstan, where the physical and chemical properties of water and soil were examined, and the biometric indicators and productivity of plants were monitored. The research results indicate that disc harrow tillage is the most effective treatment for compacted wheatgrass lands. This method reduced soil bulk density by 0.14g/cm3, increased water permeability, and made 15.6mm more moisture available. Additionally, the humus increased by 0.18% compared to the variant without tillage. The process of decomposition of organic plant residues following tillage may be enhanced through the application of microbiological preparations and complex fertilizers containing useful microorganisms and biostimulants, which can optimize nutrition. Combining these fertilizers with bio-humus is also beneficial, as it can further enhance the decomposition process. Restoration techniques result in a fresh grass gain of 0.96-1.07t/ha (1.4-1.5 times) compared to disc harrow tillage alone. Additionally, it yields 1.61-1.72t/ha (2 times) more than the variant without restoration techniques. These findings demonstrate the positive impact of combined tillage and biological treatments on soil health and pasture productivity. Conclusively, integrating disc harrow tillage with bio-humus and microbiological preparations offers a viable and effective approach to restoring degraded pastures, mitigating desertification, and ensuring sustainable livestock feed production under changing climatic conditions. The urgency of this research topic underscores the importance of the role of agricultural professionals and policymakers in implementing these findings.
Bio-humus , Forage land , Mechanized treatment , Microbiological preparation , Restoration , Wheatgrass
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Toraighyrov University, Pavlodar, Kazakhstan
Zhangir Khan West Kazakhstan Agrarian-Technical University, Uralsk, Kazakhstan
Toraighyrov University
Zhangir Khan West Kazakhstan Agrarian-Technical University
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