Abstract
For a high agricultural yield, the soil must have adequate fertility to provide the nutrients required by crops. This study aimed to evaluate the effect of different potassium sources and doses on yield and its components in the soybean and sorghum in the second harvest. The experiment was installed in the 2018/2019 harvest in the experimental field of the State University of Goiás, University Unit of Ipameri, Campus Sul, in Ipameri-GO. The experimental design used was randomized blocks arranged in a 2 x 6 factorial scheme with four replications. Two potassium sources (potassium chloride 58% K2O and phonolite 8% K2O and 25% Si) and six potassium doses (0; 60; 120; 180; 240; and 300 kg ha-1) applied via soil were evaluated. The experiments were carried out under the no-tillage system on corn straw, using the cultivars M 7110 IPRO and Atlântica MR 43 of soybean and sorghum, respectively. The main agronomic evaluations were carried out for the soybean and sorghum. Potassium fertilization favored the soybean grain yield, and the phonolite source showed higher grain yield up to the dose of 300 kg ha-1 of potassium. The potassium doses influenced the grain yield of sorghum up to 300 kg ha-1 of K.
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Claims 3
Claim · model-written summary
Potassium fertilization favored soybean grain yield.
- Taxon
- soybean
Glycine maxe0 - Treatment
- Potassium fertilizatione0
- Outcome
- soybean grain yielde0
- Direction
- favorede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Potassium fertilization favored the soybean grain yield”
Claim · model-written summary
Phonolite gave higher soybean grain yield up to 300 kg ha-1 potassium.
- Taxon
- soybeanGlycine maxt0
- Treatment
- phonolite sourcee0
- Outcome
- grain yielde0
- Direction
- highere0
- Qualifier
- up to the dose of 300 kg ha-1 of potassiume0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the phonolite source showed higher grain yield up to the dose of 300 kg ha-1 of potassium.”
t0“SOYBEAN AND SORGHUM”
Claim · model-written summary
Potassium dose influenced sorghum grain yield up to 300 kg ha-1 of K.
SorghumNot reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The potassium doses influenced the grain yield of sorghum up to 300 kg ha-1 of K.”
The same questions in other papers
fertilization · yield · Glycine max (soybean)Positive and negative results
1,020 papers in the same direction as this paper · 155 in the opposite direction · 16 reporting no difference from an alternative
- no effect
- no effect
- negative
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