Abstract
Soil fertility is one of the major limiting factors for crop's productivity in Egypt and the world in general. Biological nitrogen fixation (BNF) has a great importance as a non-polluting and a cost-effective way to improve soil fertility through supplying N2 to different agricultural systems. Faba bean (Vicia faba L.) is one of the most efficient nitrogen-fixing legumes that can meet all of their N needs through BNF. Therefore, understanding the impact of rhizobial inoculation and contrasting soil rhizobia on nodulation and N2 fixation in faba bean is crucial to optimize the crop yield, particularly under low fertility soil conditions. The efficiency of Rhizobium leguminosarum in enhancing nitrogen fixation and nutrient uptake in Faba bean and improving soil fertility. the field experiment were carried out at privet farm at tour city South Sinai Governorate, during the two consecutive winter seasons of 2018/2019 and 2019/2020. The experiments were conducted to study the effect of Rhizobium leguminosarum inoculation, organic manure, soil amendment i.e., 0; 25; 30 and 35m/fed., and four rates of sulfur application i.e., 0; 100; 150 and 200 kg/fed., on growth, productivity, nodulation, soil microbial counts, enzymatic activities, soil total N, P, K, Fe, Zn and Mn, soil chemical properties (pH and EC) and Nitrogen balance of broad bean, Aspany F1 cv. grown under sandy soil conditions. Results revealed that organic manure at the rate of 30m/fed which is superior significantly plant yield and total yield (ton/fed) followed by organic manure at the rate of 35m/fed. No significant differences occurred between these two organic treatments in both seasons. Sulfur amendment at the rate of 200 kg/fed followed by the rate of 150 kg/fed had the highest values and significant increases on plant weight; number of branches/plant; plant yield; total yield (ton/fed), there are no significant differences between both treatments in both growing seasons. While, each of the study factors had an individual significant effect on total microbial counts, enzymatic activities (Dehydrogenase and Nitrogenase), nodule No., nodule N%, nodule dry weigh, soil total nitrogen, phosphorus, potassium, Fe, Zn and Mn, soil chemical properties (pH and EC) and Nitrogen balance. But combined treatment organic manure 35m/fed + sulfur at the rate of 200 kg/fed with rhizobial inoculation gave highest values on all most traits in both seasons.
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Claims 11
Claim · model-written summary
Organic manure at 30 m3/fed significantly increased broad bean plant yield and total yield, superior to the other organic manure rates.
- Taxon
- Broad Bean
Vicia fabat0 - Treatment
- organic manure at the rate of 30m/fede1
- Outcome
- plant yield and total yield (ton/fed)e1
- Direction
- superiore1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“organic manure at the rate of 30m/fed which is superior significantly plant yield and total yield (ton/fed)”
t0“Broad Bean”
Claim · model-written summary
Organic manure at 35 m3/fed did not differ significantly from 30 m3/fed in broad bean yield.
- Taxon
- Broad BeanVicia fabat0
- Treatment
- organic manure at the rate of 35m/fede2
- Outcome
- plant yield and total yield (ton/fed)e1
- Direction
- No significant differencese3
- Comparator
- organic manure at the rate of 30m/fede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“organic manure at the rate of 30m/fed which is superior significantly plant yield and total yield (ton/fed)”
e2“followed by organic manure at the rate of 35m/fed”
e3“No significant differences occurred between these two organic treatments in both seasons”
t0“Broad Bean”
Claim · model-written summary
Sulfur at 200 kg/fed significantly increased broad bean plant weight, number of branches per plant and plant yield.
- Taxon
- Broad BeanVicia fabat0
- Treatment
- Sulfur amendment at the rate of 200 kg/fede4
- Outcome
- plant weight; number of branches/plant; plant yielde4
- Direction
- significant increasese4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Sulfur amendment at the rate of 200 kg/fed followed by the rate of 150 kg/fed had the highest values and significant increases on plant weight; number of branches/plant; plant yield; total yield (ton/fed)”
t0“Broad Bean”
Claim · model-written summary
Sulfur at 200 kg/fed significantly increased broad bean total yield.
- Taxon
- Broad BeanVicia fabat0
- Treatment
- Sulfur amendment at the rate of 200 kg/fede4
- Outcome
- total yield (ton/fed)e4
- Direction
- significant increasese4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Sulfur amendment at the rate of 200 kg/fed followed by the rate of 150 kg/fed had the highest values and significant increases on plant weight; number of branches/plant; plant yield; total yield (ton/fed)”
t0“Broad Bean”
Claim · model-written summary
Sulfur at 150 kg/fed did not differ significantly from 200 kg/fed in broad bean total yield.
- Taxon
- Broad BeanVicia fabat0
- Treatment
- rate of 150 kg/fede4
- Outcome
- total yield (ton/fed)e4
- Direction
- No significant differencese5
- Comparator
- rate of 200 kg/fede4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Sulfur amendment at the rate of 200 kg/fed followed by the rate of 150 kg/fed had the highest values and significant increases on plant weight; number of branches/plant; plant yield; total yield (ton/fed)”
e5“there are no significant differences between both treatments in both growing seasons”
t0“Broad Bean”
Claim · model-written summary
Study factors individually had significant effects on total microbial counts, dehydrogenase and nitrogenase activities of soil.
- Taxon
- Broad BeanVicia fabat0
- Treatment
- study factorse6
- Outcome
- total microbial counts, enzymatic activities (Dehydrogenase and Nitrogenase)e6
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“each of the study factors had an individual significant effect on total microbial counts, enzymatic activities (Dehydrogenase and Nitrogenase), nodule No., nodule N%, nodule dry weigh, soil total nitrogen, phosphorus, potassium, Fe, Zn and Mn, soil chemical properties (pH and EC) and Nitrogen balance”
t0“Broad Bean”
Claim · model-written summary
Study factors individually had significant effects on nodule number, nodule nitrogen percentage and nodule dry weight of broad bean.
- Taxon
- Broad BeanVicia fabat0
- Treatment
- study factorse6
- Outcome
- nodule No., nodule N%, nodule dry weighe6
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“each of the study factors had an individual significant effect on total microbial counts, enzymatic activities (Dehydrogenase and Nitrogenase), nodule No., nodule N%, nodule dry weigh, soil total nitrogen, phosphorus, potassium, Fe, Zn and Mn, soil chemical properties (pH and EC) and Nitrogen balance”
t0“Broad Bean”
Claim · model-written summary
Study factors individually had significant effects on soil total nitrogen, phosphorus and potassium.
- Taxon
- Broad BeanVicia fabat0
- Treatment
- study factorse6
- Outcome
- soil total nitrogen, phosphorus, potassiume6
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“each of the study factors had an individual significant effect on total microbial counts, enzymatic activities (Dehydrogenase and Nitrogenase), nodule No., nodule N%, nodule dry weigh, soil total nitrogen, phosphorus, potassium, Fe, Zn and Mn, soil chemical properties (pH and EC) and Nitrogen balance”
t0“Broad Bean”
Claim · model-written summary
Study factors individually had significant effects on soil Fe, Zn and Mn.
- Taxon
- Broad BeanVicia fabat0
- Treatment
- study factorse6
- Outcome
- Fe, Zn and Mne6
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“each of the study factors had an individual significant effect on total microbial counts, enzymatic activities (Dehydrogenase and Nitrogenase), nodule No., nodule N%, nodule dry weigh, soil total nitrogen, phosphorus, potassium, Fe, Zn and Mn, soil chemical properties (pH and EC) and Nitrogen balance”
t0“Broad Bean”
Claim · model-written summary
Study factors individually had significant effects on soil pH, electrical conductivity and nitrogen balance.
- Taxon
- Broad BeanVicia fabat0
- Treatment
- study factorse6
- Outcome
- soil chemical properties (pH and EC) and Nitrogen balancee6
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“each of the study factors had an individual significant effect on total microbial counts, enzymatic activities (Dehydrogenase and Nitrogenase), nodule No., nodule N%, nodule dry weigh, soil total nitrogen, phosphorus, potassium, Fe, Zn and Mn, soil chemical properties (pH and EC) and Nitrogen balance”
t0“Broad Bean”
Claim · model-written summary
The combined treatment of organic manure at 35 m3/fed, sulfur at 200 kg/fed and rhizobial inoculation gave the highest values for most broad bean traits.
- Taxon
- Broad BeanVicia fabat0
- Treatment
- combined treatment organic manure 35m/fed + sulfur at the rate of 200 kg/fed with rhizobial inoculatione7
- Interactor
- Rhizobium leguminosarum
Rhizobium leguminosarume2symbiont - Outcome
- all most traitse7
- Direction
- higheste7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“combined treatment organic manure 35m/fed + sulfur at the rate of 200 kg/fed with rhizobial inoculation gave highest values on all most traits”
e2“Rhizobium leguminosarum inoculation”
t0“Broad Bean”
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Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.