Effect of Rhizobium Inoculation on Yield and Nodule Formation of Cowpea

Rebika, Thiyam; Nongmaithem, Nabakishor

doi:10.20546/ijcmas.2019.811.016

Cited by 3 publications

(2 citation statements)

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“…The well plant growth and better production indicators (pods, seeds and yield) observed in both assays agree with previous studies that demonstrated positive effects associate to the important symbiotic relationship Rhizobium-legume [10,11]. There are direct and indirect effects of Rhizobium inoculation on the nodule formation in cowpea, which help to fix nitrogen in soil as well as increases the fertility of the soil [34]. In the case of this research, numerous nods appeared before 50 days after planting.…”

Section: Discussionsupporting

confidence: 91%

"Effects of a New Rhizobium-Based Biofertilizer (Fertiriz) on Growth and the Yield of Cowpea (Vigna unguiculata (L.) Walp)"

García

2024

EAES

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Biofertilizers are an agroecological alternative to improve plants' development by increasing nutrient availability and acquisition. A technical evaluation trial was carried out to estimate the effect of a new Rhizobium-based biofertilizer (Fertiriz) on the development of cowpea bean (Vigna unguiculata (L.) Walp). The study included two assays in cowpea according to complete randomized designs with three replications. The first experiment was in chambers under semi-controlled conditions and comprised nine treatments: an absolute control (without any fertilizer), 50 and 100% mineral fertilizer (NPK), three lots of the bioproduct, and their combination with 50% NPK. The second assay was in an open field experiment and just involved the three lots and an absolute control; no mineral fertilizer was used. The first Rhizobium inoculation was before planting (10.8ml.kg -1 of seeds); two re-inoculations were carried out at 21 and 45 days after sowing. Treatments confirmed the best results with the total recommended chemical fertilizer without statistical differences when 50% of mineral fertilizer was combined with the new biofertilizer inoculations. The general development (stem height and thickness), the number of pods per plant and grains yield were significantly higher in both experiments of cowpea when the new biofertilizer was used, compared to the non-inoculated control. The evaluation of nodulation showed a good number of nodules on roots, and most of them were active. Results validate technically the effectiveness of the new biofertilizer Fertiriz and demonstrated that it can save 50% of mineral fertilizer without affect the development or yield in cowpea.

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Section: Discussionsupporting

confidence: 91%

"Effects of a New Rhizobium-Based Biofertilizer (Fertiriz) on Growth and the Yield of Cowpea (Vigna unguiculata (L.) Walp)"

García

2024

EAES

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“…1) Our results showed a positive effect of rhizobial inoculation of on the growth and yield of soybean in field trials. Growth status of pods number, grains number, hundred-grain weight and nodules number with rhizobial inoculation were better than the control group (Figure 9), supporting previous results in which inoculation with rhizobia had a promoting effect on crop growth [6,39,40].…”

Section: Discussionsupporting

confidence: 87%

Development of a Variable-Rate Spraying System for Small Amounts of Liquid Rhizobial Inoculation Based on Increment PID Control

Zhang,

Hou,

Zheng

et al. 2024

Preprint

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: To improve the efficiency of rhizobial inoculation operations and address the current situation of rhizobial inoculation being labor-intensive, a spraying and control system for variable rate application (VRA) of liquid rhizobia was developed. The system can accurately regulate the spraying rate of liquid rhizobia according to the desired rate of rhizobia by incremental Proportional Integral Derivative (PID) closed-loop control algorithm, making it particularly suitable for precise spraying with small amounts. In the laboratory experiment of precise flow control, variation coefficient of spraying nozzle from 0.10 MP to 0.20 MP pressure were no more than 1.2%. A clear linear relationship was observed between the spraying rate and pressure. The maximum response time was 1.93 seconds, while the average response time was 1.62 seconds when controlling the spraying system for small amounts. Field trial was conducted in Heilongjiang Agricultural Xianghe Farm of China. Average seeds number and 100-seed weight of soybean plant with rhizobia inoculation treatment were better than control group, and average yield of spraying liquid rhizobia agent with full base fertilizer increased by 232.5 kg/hm2, representing a significant 7.4% improvement over the control group. The results of these trails clearly showed the positive effect of the spraying and control system for liquid rhizobial inoculation, which has superior to existing inoculation manners, and provides an important technical support for the widespread adoption of rhizobia technology.

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Effect of rhizobium inoculation on yield and some quality properties of fresh cowpea

Kandil,

Özdamar Ünlü

2023

Cogent Food & Agriculture

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Effect of Rhizobium Inoculation on Yield and Nodule Formation of Cowpea

Cited by 3 publications

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"Effects of a New Rhizobium-Based Biofertilizer (Fertiriz) on Growth and the Yield of Cowpea (Vigna unguiculata (L.) Walp)"

"Effects of a New Rhizobium-Based Biofertilizer (Fertiriz) on Growth and the Yield of Cowpea (Vigna unguiculata (L.) Walp)"

Development of a Variable-Rate Spraying System for Small Amounts of Liquid Rhizobial Inoculation Based on Increment PID Control

Effect of rhizobium inoculation on yield and some quality properties of fresh cowpea

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