Abstract
The research was focused on an ecologically sound and highly production of legumes particularly green gram through the application of Rhizobium and rock phosphate fertilizer. Therefore, biomass production, nutrient use efficiency and yield parameters were determined for two growing seasons (November 2019 - January 2020 and February - April 2020), at Chuka university horticultural research farm. Biological nitrogen fixation (BNF) in green grams can improve sustainable soil fertility management and increased production. In Kenya, green gram is a major source of food security particularly in Tharaka Nithi County. However, green gram yields are usually low due to low phosphorous and nitrogen levels of the soil. A factorial experiment of 2 x 2 x 2 was laid out in a randomized complete block design. There were three factors, varieties (N26-nylon and KS20-uncle), phosphate rock (0 and 30 kg P ha-1) and Rhizobium MEA 716 (0 and 100 g ha-1) making a total of eight treatments which were replicated three times. Soil sampling and analyses were done before planting and after harvesting of green grams. Data on grain yield, total dry biomass, shoot and root dry weights. Phosphorus use efficiency (PUE) and nitrogen use efficiency (NUE) were done. Data was analysed using Statistical Analysis Software (SAS). Significant means were separated using Least Significant Difference (LSD) at probability level of 5 %. Results for both wet and dry seasons indicated that variety KS20 under Rhizobium inoculation and phosphate rock fertilizer (R1P1V2) showed significantly (P<0.05) higher increase in shoot dry biomass (52.01 g plant-1), root dry biomass (7.60 g plant-1), total dry biomass (146.4 g plant-1), number of pods (84 plant-1) and yield (2158 kg ha-1). Also, there was significant (P<0.05) higher phosphorous use efficiency of 279.32 Kg/ha and nitrogen use efficiency of 1732 kg/ha in treatment R1P1V2 over other treatments. From these results it was concluded that variety KS20 (V2) performed better compared to N26 (V1) under combined application of Rhizobium and phosphate rock fertilizer. Hence, based on the findings, for sustainable and improved green gram production farmers in Tharaka Nithi County.
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Claims 8
Claim · model-written summary
Combined treatment in KS20 increased shoot dry biomass to 52.01 g plant-1.
- Taxon
- green gram
.jpg?width=60)
Vigna radiata var. radiatat0 - Material
- KS20e0
- Treatment
- Rhizobium inoculation and phosphate rock fertilizere0
- Outcome
- shoot dry biomasse0
- Direction
- higher increasee0
- Value
- 52.01 g plant-1e0
RhizobiumNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“variety KS20 under Rhizobium inoculation and phosphate rock fertilizer (R1P1V2) showed significantly (P<0.05) higher increase in shoot dry biomass (52.01 g plant-1)”
t0“Green Gram”
Claim · model-written summary
Combined treatment in KS20 increased root dry biomass to 7.60 g plant-1.
- Taxon
- green gramVigna radiata var. radiatat0
- Outcome
- root dry biomasse0
- Value
- 7.60 g plant-1e0
Not reportedTreatmentComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root dry biomass (7.60 g plant-1)”
t0“Green Gram”
Claim · model-written summary
Combined treatment in KS20 increased total dry biomass to 146.4 g plant-1.
- Taxon
- green gramVigna radiata var. radiatat0
- Outcome
- total dry biomasse0
- Value
- 146.4 g plant-1e0
Not reportedTreatmentComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“total dry biomass (146.4 g plant-1)”
t0“Green Gram”
Claim · model-written summary
Combined treatment in KS20 increased pods to 84 plant-1.
- Taxon
- green gramVigna radiata var. radiatat0
- Outcome
- number of podse0
- Value
- 84 plant-1e0
Not reportedTreatmentComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“number of pods (84 plant-1)”
t0“Green Gram”
Claim · model-written summary
Combined treatment in KS20 increased yield to 2158 kg ha-1.
- Taxon
- green gramVigna radiata var. radiatat0
- Outcome
- yielde0
- Value
- 2158 kg ha-1e0
Not reportedTreatmentComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“yield (2158 kg ha-1)”
t0“Green Gram”
Claim · model-written summary
R1P1V2 had higher phosphorus use efficiency of 279.32 Kg/ha than other treatments.
- Taxon
- green gramVigna radiata var. radiatat0
- Treatment
- R1P1V2e0
- Outcome
- phosphorous use efficiencye0
- Direction
- highere0
- Value
- 279.32 Kg/hae0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there was significant (P<0.05) higher phosphorous use efficiency of 279.32 Kg/ha and nitrogen use efficiency of 1732 kg/ha in treatment R1P1V2 over other treatments”
t0“Green Gram”
Claim · model-written summary
R1P1V2 had higher nitrogen use efficiency of 1732 kg/ha than other treatments.
- Taxon
- green gramVigna radiata var. radiatat0
- Treatment
- R1P1V2e0
- Outcome
- nitrogen use efficiencye0
- Direction
- highere0
- Value
- 1732 kg/hae0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher phosphorous use efficiency of 279.32 Kg/ha and nitrogen use efficiency of 1732 kg/ha in treatment R1P1V2 over other treatments”
t0“Green Gram”
Claim · model-written summary
KS20 performed better than N26 under combined Rhizobium and phosphate fertilizer.
- Taxon
- green gramVigna radiata var. radiatat0
- Material
- KS20e0
- Outcome
- performed bettere0
- Comparator
- N26e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“variety KS20 (V2) performed better compared to N26 (V1) under combined application of Rhizobium and phosphate rock fertilizer”
t0“Green Gram”
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