Influence of No-Till Technology on Reducing Soil Degradation During Sorghum Cultivation

Q3 Agricultural and Biological Sciences

Scientia Agriculturae Bohemica Pub Date : 2020-03-01 DOI:10.2478/sab-2020-0005

D. Kabelka, D. Kincl, J. Vopravil

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引用次数: 1

Abstract

Abstract Soil degradation and water erosion are undoubtedly serious global problems. Moreover, excessive surface runoff and the lack of water in landscape are problems encountered not only in the Czech agricultural land. This condition is unsustainable in the long-term and it is necessary to find, verify and quantify suitable agricultural methods for reducing soil degradation. In this study, we tested two soil conservation technologies for sorghum (Sorghum bicolor) cultivation. Our results show that erosion was reduced by more than 78% (no-till) and 89% (no-till: narrow row) in rainfall simulation on naturally moist soil compared to conventional cultivation. Also, the use of conservation technologies reduced surface runoff (52% no-till, 68% no-till: narrow row). Sorghum has similar agronomic requirements as maize but it has the advantage of a good dryness tolerance and a high water use efficiency. The two-year research (2014, 2017) took place in the Central Bohemian Region. Soil degradation was verified using a rainfall simulator. The results have shown that both no-till technologies have a significant (P < 0.05) soil conservation effect.

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免耕技术对减少高粱栽培过程中土壤退化的影响

土壤退化和水土流失无疑是严重的全球性问题。此外，地表径流过多和景观缺水不仅是捷克农业用地遇到的问题。这种情况从长期来看是不可持续的，有必要找到、验证和量化减少土壤退化的适当农业方法。本研究对高粱两种土壤保持技术进行了试验研究。结果表明，与常规耕作相比，在自然湿润土壤上进行的降雨模拟中，免耕土壤的侵蚀减少了78%以上，窄行免耕土壤的侵蚀减少了89%以上。此外，保护技术的使用减少了地表径流(52%免耕，68%免耕:窄行)。高粱的农艺要求与玉米相似，但具有耐旱性好、水分利用效率高的优点。为期两年的研究(2014年，2017年)在中波希米亚地区进行。使用降雨模拟器验证了土壤退化。结果表明，两种免耕技术均具有显著(P < 0.05)的土壤保持效果。

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来源期刊

Scientia Agriculturae Bohemica Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)

CiteScore

1.50

自引率

0.00%

发文量

审稿时长

40 weeks