Effects of minimum tillage and liming on maize (Zea mays L.) yield components and selected properties of acid soils in Assosa Zone, West Ethiopia

Bekele, Mathewos; Haile, Wassie; Kebede, Fassil

doi:10.1016/j.jafr.2022.100301

Cited by 7 publications

(12 citation statements)

References 13 publications

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“…Yield differences with respect to soil tillage treatments confirm maize sensitivity to changes caused by soil tillage [96]. The reduction in soil tillage intensity and depth resulted in the highest average maize yield for the shallow conservation tillage (CTS), which is in line with Sime et al [97], who reported a 14-19% higher maize yield under a conservation tillage system compared to a conventional system, and similar was cited by much other research [39][40][41].…”

Section: Maize Yieldsupporting

confidence: 81%

“…Determined soil types at the investigated areas were Stagnosol (ES 1) and Gleysol (ES 2) (Table 1), both hydromorphic with characteristic occasional or constant excess wetting of a part of the profile or the entire solum [60]. The soil texture was determined as silty clay loam (ES 1) and silt (ES 2), and soils were moderately acidic (pH (H 2 O) = 5.65, ES 1) and weakly acidic (pH (H 2 O) = 6.40, ES 2) [41], with a soil organic matter content under 3% on ES 1 and below 2% on ES 2 (Table 1). The measured content of plant-available P and K at experimental sites indicated a poor supply of these nutrients at both experimental sites and values of Hy (Table 1) highlighting the need for obligatory liming in medium quantities for ES 2 and large quantities for ES 1 [43,52].…”

Section: Selected Soil Properties On Investigated Experimental Sitesmentioning

confidence: 99%

“…Liming led to lower weediness using the shallow conservation tillage system (CTS), which significantly decreased weed coverage in the V7 maize growth stage and weed density in R5. This was probably caused by the positive impact of conservation treatment in acid soil management [41], since it has a positive effect on the soil structure and biological activity, while plant residues additionally protect the soil and reduce weediness, which is additionally expressed with the liming application and its positive influence of chemical, physical, and biological soil properties. The positive influence of conservation tillage on the soil pH reaction was proven by the research of Ligowe et al [42], which reported higher soil pH values when conservation tillage was applied, which is why the positive influence of liming was additionally pronounced for CTS soil tillage treatment and reducing weed competition.…”

Section: Maize Weedinessmentioning

confidence: 99%

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Initial Weed and Maize Response to Conservation Tillage and Liming in Different Agroecological Conditions

et al. 2023

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Conservation tillage (CT) is an effective tool for maintaining crop productivity under adverse climate conditions, while its adoption is conditioned by the possible negative response of crop weed. Research with CT and liming (L) was conducted at different experimental sites on acid soils (ES 1 and ES 2) to determine the maize weediness and yield. The tillage treatments used were ST (conventional tillage), CTD (deep loosening), CTS (shallow loosening), and liming; Ly (CaO) and Ln (no CaO). The weediness assessment was conducted at the V7 and R5 maize growth stages. Weed density (WD), biomass (WB), weed coverage (WC), and species density (WSN) were determined. The highest WD was recorded on ES 2 in V7, and WB, WC, and WSN were significantly higher at CTS in R5 compared to ST. Liming affected the decrease of WD and WC in V7 and WB, WC, and WSN in R5. The average maize yield on ES 2 was 36% higher compared to ES 1. CTS resulted with the highest yield at ES 1, while at ES 2, it was similar to ST. Liming application significantly increased the maize yield. The given results indicated the positive impact of CT and L on crop productivity in different agroecological conditions, despite the increased weediness.

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Section: Maize Yieldsupporting

confidence: 81%

Section: Selected Soil Properties On Investigated Experimental Sitesmentioning

confidence: 99%

Section: Maize Weedinessmentioning

confidence: 99%

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Initial Weed and Maize Response to Conservation Tillage and Liming in Different Agroecological Conditions

et al. 2023

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“…Fertilizer application, by increasing the biological and enzymatic activity of the soil, may have contributed to the consumption of oxygen, reducing the redox potential and temporarily increasing the bioavailability of Mn. In the Lcal and Lmag treatments, the pH increase may have reduced the Mn bioavailability and the Mn levels in the leaves, the results being lower than in the control treatment, as is usually reported (Thomas & Hargrove, 2015;Wakwoya et al, 2022).…”

Section: Discussionmentioning

confidence: 74%

“…

Soil acidity is an important ecological factor affecting crop productivity worldwide (Nahar et al, 2022;Wakwoya et al, 2022;Wen et al, 2022). For agricultural purposes, acid soils are considered those that have a pH value of less than 5.5 for most of the year (FAO, 2023).

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confidence: 99%

Dolomitic limestone was more effective than calcitic limestone in increasing soil pH in an untilled olive orchard

Arrobas

Conceição

Pereira

et al. 2023

Soil Use and Management

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In acid soils, when no‐tillage farmers intend to apply lime, the question arises as to whether it should be incorporated into the soil or whether it can be left on the soil surface. In this study, two types of limestone, calcitic (Lcal) and dolomitic (Lmag), were tested in two olive groves of cv. Cobrançosa, with an initial pH of 4.9 (S. Pedro) and 5.5 (Raparigas). In S. Pedro, limestone was incorporated into the soil (Lburied) and in Raparigas it was left on the floor (Lfloor). The use of limestone significantly increased soil pH in the 0‐0.10 m layer in both experiments. In the 0.10‐0.20 m soil layer, only Lmag increased significantly the soil pH in comparison to the control. Lmag was more effective than Lcal in increasing cation exchange capacity (CEC) and reducing exchangeable acidity (EA) and aluminum (Al3+) in the Lfloor experiment. Both limes increased leaf calcium (Ca) concentration, and Lmag increased the leaf levels of magnesium (Mg). In Lfloor experiment (higher soil pH), soil microbial carbon (C) decreased, and microbial nitrogen (N) increased with liming, which may indicate an increase in bacteria in the soil and a decrease in fungi. In Lburied experiment (initial pH of 4.9), liming significantly increased accumulated (2018‐2021) olive yield (56 and more than 67 kg tree−1, respectively, in the control and liming treatments). In Lfloor experiment (initial pH of 5.5), the accumulated olive yields did not differ significantly between treatments (average values between 105 and 115 kg tree−1). The results of this study provide evidence that liming may increase olive yield in very acid soils and that dolomitic limestone should preferably be used by no‐tillage farmers, due its higher solubility and faster effect on soil and trees.

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Effect of lime on soil chemical properties and corn growth in Ultisols Lebak, Banten

Purnomo,

Yusron,

Jubaedah

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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The research aimed to study the effect of lime on soil chemical changes and corn growth in Ultisol Lebak, Banten. The soil used is acidic mineral soil with a pH of 4.8 and a high exchangeable (exch) Al content of 6.3 cmolc kg−1. The research design used was a completely randomized design with 6 treatments of lime doses with 5 replications. The dose of lime applied is based on exch Al namely 0, 0.5; 1.0; 1.5, and 2.0 equivalent to 0, 3, 6, 9, and 12 t ha−1, respectively, and 1.0 exch Al of fosfatan. The results showed that lime application improved soil chemical properties as reflected by increasing soil pH, exch Ca, Mg, cation exchange capacity (CEC), base saturation (BS), and decreasing Al content and saturation. In addition, lime application increases the delta of soil pH. Soil acidity (pH) increased from 4.8 to 6.3; exch Ca levels increased from 1.61 to 12.77 cmolc kg−1, exch Mg levels increased from 0.78 to 0.88 cmolc kg−1.

show abstract

Effects of minimum tillage and liming on maize (Zea mays L.) yield components and selected properties of acid soils in Assosa Zone, West Ethiopia

Cited by 7 publications

References 13 publications

Initial Weed and Maize Response to Conservation Tillage and Liming in Different Agroecological Conditions

Initial Weed and Maize Response to Conservation Tillage and Liming in Different Agroecological Conditions

Dolomitic limestone was more effective than calcitic limestone in increasing soil pH in an untilled olive orchard

Effect of lime on soil chemical properties and corn growth in Ultisols Lebak, Banten

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