Abstract
To encourage sustainable agriculture and increase net revenue for the agricultural community, the use of expensive chemical fertilizers should be reduced and replaced with locally produced organic byproducts. For this reason, a field experiment was conducted on sand soil at Ismailia Agric. Res. Station in Ismailia Governorate, Egypt, to evaluate the impact of various organic K rates 0, 50%, 75%, and 100% from the recommended plant dose) and three different K organic sources i.e., seaweed (SWE), yeast sludge (YS), and filter mud cake (FMC), in two successive seasons of wheat (Triticum sativac. v. Giza 168) as a winter crop and peanut (Arachis hypogaeac. v. Giza 6) as a summer crop season; to study how responsive they are to different potassium rates and sources applied to crop productivity. After both crops were harvested, the chemical features of the soil were also assessed. The current findings state that the use of varied organic K rates and sources boosted the yield components of wheat and peanut crops, as well as the nutritional total content in straw, grains, or seed of both wheat and peanut, as compared to the control treatment. Furthermore, the application of all treatments improved pH, EC, OM, and cation exchangeable capacity (CEC); the availability of P, K, and soluble K followed a similar pattern after the wheat-peanut crop was harvested. Furthermore, the highest increases resulted from 75% of the recommended K dose, and the best organic sources of K were YS and SWE for wheat and peanut, respectively. In conclusion, the use of tested organic potassium sources is a good alternative to mineral potassium fertilizers, is economical, which is reflected in crop yield, and is environmentally friendly.
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Claims 10
Claim · model-written summary
Organic potassium rates and sources increased wheat yield components relative to control.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- varied organic K rates and sourcese0
- Outcome
- yield components of wheate0
- Direction
- boostede0
- Comparator
- control treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“varied organic K rates and sources boosted the yield components of wheat and peanut crops, as well as the nutritional total content in straw, grains, or seed of both wheat and peanut, as compared to the control treatment”
Claim · model-written summary
Organic potassium rates and sources increased peanut yield components relative to control.
- Taxon
- peanut
Arachis hypogaeae0 - Treatment
- varied organic K rates and sourcese0
- Outcome
- yield components of wheat and peanut cropse0
- Direction
- boostede0
- Comparator
- control treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“varied organic K rates and sources boosted the yield components of wheat and peanut crops, as well as the nutritional total content in straw, grains, or seed of both wheat and peanut, as compared to the control treatment”
Claim · model-written summary
Organic potassium treatments increased total nutritional content in wheat straw and grain relative to control.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- varied organic K rates and sourcese0
- Outcome
- nutritional total content in straw, grains, or seede0
- Direction
- boostede0
- Comparator
- control treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“varied organic K rates and sources boosted the yield components of wheat and peanut crops, as well as the nutritional total content in straw, grains, or seed of both wheat and peanut, as compared to the control treatment”
Claim · model-written summary
Organic potassium treatments increased total nutritional content in peanut seed relative to control.
- Taxon
- peanut
Arachis hypogaeae0 - Treatment
- varied organic K rates and sourcese0
- Outcome
- nutritional total content in straw, grains, or seede0
- Direction
- boostede0
- Comparator
- control treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“varied organic K rates and sources boosted the yield components of wheat and peanut crops, as well as the nutritional total content in straw, grains, or seed of both wheat and peanut, as compared to the control treatment”
Claim · model-written summary
All treatments improved soil pH, EC, OM, and cation exchangeable capacity after the wheat-peanut harvest.
Not reportedTaxon
Verbatim
e0“application of all treatments improved pH, EC, OM, and cation exchangeable capacity (CEC); the availability of P, K, and soluble K followed a similar pattern after the wheat-peanut crop was harvested”
Claim · model-written summary
Availability of P, K, and soluble K in soil followed the improved pattern after harvest.
- Outcome
- availability of P, K, and soluble Ke0
Not reportedTaxonDirection
Verbatim
e0“the availability of P, K, and soluble K followed a similar pattern after the wheat-peanut crop was harvested”
Claim · model-written summary
The highest increases occurred with 75% of the recommended potassium dose.
Not reportedTaxon
Verbatim
e0“the highest increases resulted from 75% of the recommended K dose”
Claim · model-written summary
Yeast sludge was the best organic potassium source for wheat.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- YSe0
- Outcome
- best organic sources of Ke0
- Direction
- beste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the best organic sources of K were YS and SWE for wheat and peanut, respectively”
e1“yeast sludge (YS)”
Claim · model-written summary
Seaweed was the best organic potassium source for peanut.
- Taxon
- peanut
Arachis hypogaeae0 - Treatment
- SWEe0
- Outcome
- best organic sources of Ke0
- Direction
- beste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the best organic sources of K were YS and SWE for wheat and peanut, respectively”
e1“seaweed (SWE)”
Claim · model-written summary
The authors recommend organic potassium sources as economical, environmentally friendly alternatives to mineral potassium fertilizers.
Verbatim
t0“Wheat-Peanut Crop System”
e0“the use of tested organic potassium sources is a good alternative to mineral potassium fertilizers, is economical, which is reflected in crop yield, and is environmentally friendly”
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