Evaluation of maize-soybean intercropping systems and fertilizer rates on maize grain yield using competitive indices

Takim, F. O.; Omeke, J.O.; Tunku, P.; Shebaya, J.A.; Olaoye, G.; Tologbonse, D.; Onyibe, J.E.

doi:10.4314/jard.v18i1.8

Cited by 3 publications

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“…Generally, maize had higher relative crowding coefficient (Km) value than haricot bean Kb indicating that maize is more competitive than its associate haricot bean (Banik et al, 2000, Dhima et al, 2007 [3,6] (Table 6). The negative K values for maize during 2020 and 2021 season and that of haricot bean during 2020 season suggest that in this mixture there was no yield advantage or disadvantage (Takim, 2012) [27] . With delayed time of haricot bean intercropping, the Km value are above one during both 2020 and 2021 seasons, indicating yield advantages of maize over haricot bean in this intercropping system.…”

Section: Discussionmentioning

confidence: 99%

Review for agronomic schedule maize- based cropping systems for haricotben under planting time arrangements in Dera South Gonder Ethiopia

Teshome¹

2021

Int. J. Res. Agron.

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Field experiments were conducted at Dera District south Gonder experimental field site, Fogra National Rice Research and Training Center from June to October during the years 2020 and 2021 cropping seasons. The aim of the study was to determine optimum time of intercropping haricot bean into the maize based cropping system under conservation tillage practices, The experiment was laid out in split-plot design, with tillage practices a) Tied-ridge and b) Zero-tillage as main plot and time of intercropping haricot bean 1) Planting haricot bean simultaneously with maize, 2) Planting haricot bean 15 days after maize was planted and 3) planting haricot bean 30 days after maize was planted as sub-plots. Intercropping was assessed on the basis of the performance of the main and component crops indices as grain yield, biomass weight, partial and total LER and competitive indices such as relative crowding coefficient (K), aggressivity (A), competitive ratio (CR) and system productivity index (SPI). There was no interaction between tillage practices and time of intercropping haricot bean in any of the indices studied. Main effects of tillage practices had no significant effects on all the indices considered during both 2020 and 2021 growing seasons, but grain yield, biomass weight, partial and total LER tended to be higher in the tied-ridge treatment during 2020 and vis-versa during 2021seasons. The results obtained showed that the greatest intercrop yields of maize and haricot bean were obtained when both crops were planted at the same time. In both years, highest total land equivalent ratio (LERt) values were obtained when planting of maize and haricot bean was done at the same time followed by planting of haricot bean 15 days after maize was planted indicating the advantages of intercropping over the sole planting. Partial LERm was always higher than LERb during 2010 season and vis-versa during 2011 season. The results of competitive indices indicate that maize was the dominant crop in the mixture as measured by the positive values of A, and the high values of Km than Kb in the mixture. On the other hand, CR values of haricot bean were higher than maize in the mixture suggesting haricot bean was more competitive than maize in the intercropping system. Moreover, the data of SPI indicated that intercropping haricot bean at the same time with maize had higher SPI during both 2010 and 2011 season. In conclusion, intercropping of haricot bean simultaneously with maize exhibited an overall advantage over the other time of intercropping and sole cropping in terms of grain yield, partial LERm, LERb and LERt and competitive ratio indices and could therefore be recommended for Central rift valley areas of Ethiopia where maize and haricot bean are major crops.

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Section: Discussionmentioning

confidence: 99%

Review for agronomic schedule maize- based cropping systems for haricotben under planting time arrangements in Dera South Gonder Ethiopia

Teshome¹

2021

Int. J. Res. Agron.

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“…According to a report by Dhonde et al [26], green and dry fodder maize and the cropping systems for solitary maize and maize + cowpea at a ratio of 2:2 were uniformly superior to the other systems. Similarly, Takim et al [27] reported that 1228 (2023) 012027 IOP Publishing doi:10.1088/1755-1315/1228/1/012027 4 intercropping sweetcorn and vegetable soybean plant hill -1 and two-row soybean yielded good yields, specifically 4.04 tons ha-1 of corn and 1.34 tons ha-1 of soybeans. This is further confirmed by Li et al [28] .…”

Section: Interaction Between Density Plant and Npk Fertilizer On Fres...mentioning

confidence: 96%

Evaluation System of Intercropping Functional Food Sweet Corn and Vegetable Soybean in Different Planting Density and Compound Fertilizers Dosages

Darini,

Widata,

Setiawati

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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This study evaluated the sweet corn and vegetable soybeans intercropping system when applying various organic fertilizer sources and NPK fertilizer dosage. Conducted from June until August 2022 in Umbulharjo village, Yogyakarta, the study was carried out in factorial Randomized Complete Block Design under three replications. The first factor was density plant hill−1 consisting fourt levels (1+1; 2+1; 1+2; 2+2), the second was NPK dosage comprising three levels (100, 200, 300) kg ha−1, which eventually gained 42 units of plots. The observation variables involve components of yield, growth, and land efficiency. Variance test (ANOVA) at a value significant at 5% was used to analyze research data statistically and then followed by Duncan’s Multiple Range Test at the same significance level. The result indicated that applying a combination of chicken manure under NPK dosage of 300 kg ha−1 showed the sweet corn and vegetable soybean intercropping’s finest growth and yield, and the land efficiency component presented a Land Equivalent Ratio of 1.55 and Competition index of 0.92.

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“…These claims were evident above 100 kg N/ha level of application for NPK fertilizer and OF applications. Studies have indicated that applications of organic combined with chemical fertilizers optimized soil quality, stabilized crop yield, and enhanced crop adaptation to climate change(Menšík et al, 2019).The lower yield observed for maize and soybean in the intercrop compared to the sole crop was in consonance withTakim et al (2019). Applying fertilizer containing Ca at the early flowering stage of soybean helps to enhance days to 50% flowering and sustain pod formation in soybean for better performance.Original scientific paper DOI: /10.5513/JCEA01/24.3.3753 Adeola et al: Performances of maize and soybean as influenced by intercropping and fertilizer...…”

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confidence: 97%

Performances of maize and soybean as influenced by intercropping and fertilizer sources in the Northern Guinea Savanna agro-ecology of Nigeria

Adeola,

Akinrinola,

Fagbola

2023

JCEA

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Inorganic fertilizer recommendation for ameliorating soil fertility decline is facing many challenges. Information on the alternative (organomineral fertilizer) for use in the intercrop is scarce in Tarabe, Nigeria. Hence, inorganic and organomineral fertilizer (OF) effects were evaluated on growth, N uptake and yield of maize and soybean. Using a 2 x 9 factorial field experiment in 2016 and 2017, cropping systems (sole and intercrop) were evaluated under nine fertilizer levels (control, 50, 100, 150, 200 kg N/ha OF and 50, 100, 150, 200 kg N/ha NPK 20-10-10 fertilizers) in a randomized complete block design with three replicates. Maize (ACR-95DT) and soybean seeds (TGX 144 8-2E) were sown at 40,000 and 74,000 plants per ha, respectively. The results indicated that intercropping improved maize and soybean leaf area, but resulted in a significant reduction in N uptake and yields in the two growing seasons. Maize yield varied significantly among treatments and ranged from 0.78 (control) -2.32 t/ha (150 kg N/ha OF) and 1.04 (control) -2.13 t/ha (150 kg N/ha NPK) in 2016 and 2017, respectively. Also, soybean yield was significantly increased at 100 kg N/ha OF (1.14 t/ ha) compared to 150 kg N/ha OF (0.83 t/ha) in 2016, while 150 kg N/ha OF and NPK had significantly higher yields than the other treatments in 2017. The cropping system and fertilizer interaction had no significant influence on maize and soybean grain yields in both years. Organomineral fertilizer at 150 kg N/ha was suggested for improving maize and soybean intercrop.

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Evaluation of maize-soybean intercropping systems and fertilizer rates on maize grain yield using competitive indices

Cited by 3 publications

References 0 publications

Review for agronomic schedule maize- based cropping systems for haricotben under planting time arrangements in Dera South Gonder Ethiopia

Review for agronomic schedule maize- based cropping systems for haricotben under planting time arrangements in Dera South Gonder Ethiopia

Evaluation System of Intercropping Functional Food Sweet Corn and Vegetable Soybean in Different Planting Density and Compound Fertilizers Dosages

Performances of maize and soybean as influenced by intercropping and fertilizer sources in the Northern Guinea Savanna agro-ecology of Nigeria

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