Effect of Rhizobium and Intercropping Systems on Soil Nutrients and Biological Nitrogen Fixation as Influenced by Legumes (Phaseolus vulgaris and Dolichos lablab)

Massawel, Prosper I.; Mtei, Kelvin; Ndakidemi, Patrick A.

doi:10.20546/ijcmas.2016.510.016

Cited by 8 publications

(11 citation statements)

References 18 publications

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“…e analysis further indicated that the total N content of the experimental site is low to sustain high crop production [35]. e low total nitrogen might have been caused by soil acidity that tends to reduce microbial mediate processed that results in poor organic matter decomposition, mineralization of nitrogen, N uptake by plants, and denitrification [39]. Phosphorus levels in the soil can be used as a guide to indicate whether phosphate fertilizer is required for plant growth.…”

Section: Discussionmentioning

confidence: 99%

Response of Soybean (Glycine max L. (Merrill)) to Bradyrhizobium Inoculation, Lime, and Phosphorus Applications at Bako, Western Ethiopia

Dabesa

Tana

2021

International Journal of Agronomy

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Soil acidity and poor soil fertility are the major soil chemical constraints which limit crop productivity in western Ethiopia. In leguminous crops, low productivity is not only a result of declining soil fertility but also reduced N2 fixation due to biological and environmental factors. Thus, this study was carried out to determine the influence of lime, Bradyrhizobium inoculation, and phosphorus fertilizer on soybean yield components and yields and to identify economically feasible treatments that can maximize the productivity of soybean. Factorial combinations of three Bradyrhizobium strains (uninoculated, TAL379, and Legumefix), two lime levels (0 and 3.12 t ha−1), and four P levels (0, 23, 46, and 69 kg P2O5 ha−1) were laid out in RCBD with three replications. The results showed that the application of lime (3.12 t ha−1) significantly increased soil pH (5.6), plant height (77.2 cm), number of primary branches per plant (6.6), 100-seed weight (17.5 g), grain yield (3431 kg ha−1), and harvest index (41%). Similarly, significantly higher grain yield (3228 kg ha−1) and harvest index (41%) were obtained with inoculation of TAL379 whereas Legumefix inoculation recorded the highest number of primary branches (6.7). The effect of P at 69 kg P2O5 ha−1also gave significantly higher plant height (75.5 cm), number of primary branches (6.6), grain yield (3277 kg ha−1), and harvest index (43%). The interaction of P and Bradyrhizobium inoculation significantly influenced days to physiological maturity and number of pods per plant. Similarly, the interaction of phosphorus and lime significantly influenced days to 50% flowering. Likewise, the combination of lime (3.12 t ha−1) with TAL379 inoculation gave the highest aboveground biomass. On the other hand, the interaction of Bradyrhizobium × lime × phosphorus revealed that application of 69 kg P2O5 ha−1 without TAL379 inoculation under limed condition significantly resulted in the highest number of nodules per plant (79.4) and number of effective nodules (67.9). Thus, it can be concluded that, particularly in the western part of Ethiopia where soil acidity is a major problem, application of phosphorus with Bradyrhizobium and lime is an alternative option to enhance biological nitrogen fixation and grain yield of soybean in smallholder farming system.

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Section: Discussionmentioning

confidence: 99%

Response of Soybean (Glycine max L. (Merrill)) to Bradyrhizobium Inoculation, Lime, and Phosphorus Applications at Bako, Western Ethiopia

Dabesa

Tana

2021

International Journal of Agronomy

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“…The mean maximum and minimum temperature ranges from 22ºC to 28ºC and 12ºC to 15ºC respectively. The soil characterization of the site had previously reported by Massawe et al (2016).…”

Section: Methodsmentioning

confidence: 99%

“…Thereafter, the samples were oven dried at 70 o C to constant weights and ground to a fine powder (0.5 mm sieve) for plant tissue analysis. The concentration of total N was determined by the micro Kjeldahl method while P, K, Ca and Mg was determined using the recommended methods for plant material analysis for various nutrients (Massawe et al, 2016). The dry matter yield determination involved ten whole legumes plant selected randomly at harvesting and sun dried for three days and then oven dried to constant weights at 70 o C. After oven drying, samples were weighed and recorded as dry matter yield in Kg/ ha.…”

Section: Methodsmentioning

confidence: 99%

Effects of Rhizobium inoculation and cropping systems on macronutrients uptake and partitioning in two legumes (Common bean and Lablab)

Massawe

Mtei

Ndakidemi

2017

IJARe

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The study to investigate the effect of Rhizobium inoculation and cropping systems on the uptake of macronutrients in shoot, root and whole plant of Phaseolus vulgaris and Lablab purpureus was conducted at Selian Agricultural Research Institute (SARI) for two cropping seasons. A randomized complete block design was used in a 3-factorial arrangement with two levels of Rhizobium (with and without rhizobia), two legumes (P. vulgaris and L. purpureus) and five cropping systems (sole maize or sole legumes, 1 row maize to 1 row legumes (1:1) i.e. 0 m or 0.45 m of legume from maize row, 1 row maize to 2 rows of legumes (1:2) i.e. 0.1 m or 0.2 m of legumes from maize rows). The result showed that Rhizobium inoculation significantly (P0.001) increased the uptake of N, P, K, Ca and Mg in the plant parts and whole plant. Similarly, cropping systems significantly (P0.001) increased the uptake of N, K and Mg in shoots and whole plant of P. vulgaris and L. purpureus but decreased the P and Ca content in roots. Legumes significantly increased the uptake of the macronutrients in shoots and roots but more nutrients concentration in shoots than roots for both cropping seasons. There were significant (P0.001) interaction between; Rhizobium x legumes x cropping systems on whole plant uptake of N in cropping season 1 and 2. Regardless of the type of interaction, inoculated legumes maximized the uptake of macronutrients in shoots, roots and whole plant.

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“…Soil fertility decline in the tropics constitutes one of the major crop production constraints that threaten food and nutrition security (Dikand Kadiata and Lumpungu, 2003;Ngosong et al, 2018) with nitrogen (N) as the most limiting plant nutrient (Massawe et al, 2016). Managing soil fertility on smallholder farms has become a major issue as a result of degradation (Fritzpatrick, 1986).…”

Section: Introductionmentioning

confidence: 99%

Short-Term Benefits of Grain Legume Fallow Systems on Soil Fertility and Farmers Livelihood in the Humid Forest Zone of Cameroon

Nanganoa

Njukeng

Ngosong

et al. 2019

International Journal of Sustainable Agricultural Research

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Soil fertility management of smallholder farms in the humid tropics is a major issue as a result of inherently low fertility with nitrogen being the most limiting plant nutrient. Use of grain legume fallows could improve soil quality through nitrogen fixation and ensure food and nutritional security in developing countries. This field trial was laid out in a Randomized Complete Block Design (RCBD) to evaluate the short-term benefits of grain legume fallows (common bean, groundnut, cowpea, and soybean) on soil fertility improvement and income generation in relation to a natural weed fallow system. The results showed that total soil nitrogen content ranged from 0.19-0.24%, and differed (P < 0.001) significantly with the highest in common bean plots as compared to the others. The soil organic carbon (SOC) content was highest in cowpea plots (3.36 %) and lowest in the natural weed fallow (2.77 %). However, the SOC were not significantly different among the fallow systems but were higher than the SOC of the soil before sowing (2.41 %). Grain yield ranged from 1.0-1.9 t/ha and differed (P < 0.001) significantly. The highest profitability of integrating grain legumes in farming systems was recorded in the groundnut fallow, followed by soybean, and bean. Cowpea generated a negative return, while the natural fallow system had no effect. Integrating grain legumes fallow into agricultural systems in the humid tropics enhance the value of the fallow lands and may serve as viable short-term economic incentives for smallholder farmers. Contribution/Originality:This study contributes to the existing literature that reports the benefits of grain legumes on soil fertility improvement and also showed that the integration of grain legume fallows into agricultural systems in the humid tropics generate income for smallholder farmers and could serve as motivation for their adoption.

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Effect of Rhizobium and Intercropping Systems on Soil Nutrients and Biological Nitrogen Fixation as Influenced by Legumes (Phaseolus vulgaris and Dolichos lablab)

Cited by 8 publications

References 18 publications

Response of Soybean (Glycine max L. (Merrill)) to Bradyrhizobium Inoculation, Lime, and Phosphorus Applications at Bako, Western Ethiopia

Response of Soybean (Glycine max L. (Merrill)) to Bradyrhizobium Inoculation, Lime, and Phosphorus Applications at Bako, Western Ethiopia

Effects of Rhizobium inoculation and cropping systems on macronutrients uptake and partitioning in two legumes (Common bean and Lablab)

Short-Term Benefits of Grain Legume Fallow Systems on Soil Fertility and Farmers Livelihood in the Humid Forest Zone of Cameroon

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