Abstract
There is a lack of information about the effects of interactions among lime, phosphogypsum (PG) and fertilization on soil fertility and their effects on common bean yields in the tropics. This study aimed to determine the effects of annual application of PG and limestone and rates of fertilization on the chemical attributes of soil, fertilization efficiency, yield components and the grain yield of the common bean. The study was performed for three growing seasons in an acidic Oxisol. The experimental design was randomized blocks in a 4x4 factorial scheme. The treatments consisted of lime, lime + PG, PG, and control (without corrective application) with four fertilization rates. In an acidic and low-fertility Cerrado soil, limestone or limestone + PG applied annually at 1/3 of the total rate in a no tillage system increased the common bean yield and the efficiency of the fertilization, although the improvement of the soil acidity indicators did not reach the desired levels. The application of soluble fertilizers to provide adequate and balanced amounts of nutrients provided greater yield gains and improved soil fertility compared to surface liming without fertilization, but the combination of the two practices resulted in the greatest benefits to both plant and soil fertility.
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Claims 8
Claim · model-written summary
Annual limestone increased bean yield.
- Taxon
- common bean
Phaseolus vulgarise0 - Treatment
- limestonee0
- Outcome
- common bean yielde0
- Direction
- increasede0
- Setting
- Cerrado soile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In an acidic and low-fertility Cerrado soil, limestone or limestone + PG applied annually at 1/3 of the total rate in a no tillage system increased the common bean yield and the efficiency of the fertilization”
Claim · model-written summary
Annual limestone plus PG increased bean yield.
- Taxon
- common beanPhaseolus vulgarise0
- Treatment
- limestone + PGe0
- Outcome
- common bean yielde0
- Direction
- increasede0
- Setting
- Cerrado soile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In an acidic and low-fertility Cerrado soil, limestone or limestone + PG applied annually at 1/3 of the total rate in a no tillage system increased the common bean yield and the efficiency of the fertilization”
Claim · model-written summary
Annual limestone increased fertilization efficiency.
- Taxon
- common beanPhaseolus vulgarise0
- Treatment
- limestonee0
- Outcome
- efficiency of the fertilizatione0
- Direction
- increasede0
- Setting
- Cerrado soile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In an acidic and low-fertility Cerrado soil, limestone or limestone + PG applied annually at 1/3 of the total rate in a no tillage system increased the common bean yield and the efficiency of the fertilization”
Claim · model-written summary
Annual limestone plus PG increased fertilization efficiency.
- Taxon
- common beanPhaseolus vulgarise0
- Treatment
- limestone + PGe0
- Outcome
- efficiency of the fertilizatione0
- Direction
- increasede0
- Setting
- Cerrado soile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In an acidic and low-fertility Cerrado soil, limestone or limestone + PG applied annually at 1/3 of the total rate in a no tillage system increased the common bean yield and the efficiency of the fertilization”
Claim · model-written summary
Soil acidity indicators did not reach desired levels.
- Taxon
- common beanPhaseolus vulgarist0
- Outcome
- soil acidity indicatorse0
- Direction
- did not reache0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“common bean”
e0“the improvement of the soil acidity indicators did not reach the desired levels”
Claim · model-written summary
Soluble fertilizers increased yield relative to surface liming without fertilization.
- Taxon
- common beanPhaseolus vulgarist0
- Treatment
- soluble fertilizerse0
- Outcome
- yield gainse0
- Direction
- greatere0
- Comparator
- surface liming without fertilizatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“common bean”
e0“The application of soluble fertilizers to provide adequate and balanced amounts of nutrients provided greater yield gains and improved soil fertility compared to surface liming without fertilization”
Claim · model-written summary
Soluble fertilizers improved soil fertility relative to surface liming without fertilization.
- Taxon
- common beanPhaseolus vulgarist0
- Treatment
- soluble fertilizerse0
- Outcome
- soil fertilitye0
- Direction
- improvede0
- Comparator
- surface liming without fertilizatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“common bean”
e0“The application of soluble fertilizers to provide adequate and balanced amounts of nutrients provided greater yield gains and improved soil fertility compared to surface liming without fertilization”
Claim · model-written summary
Combining fertilizer and liming yielded the greatest plant and soil benefits.
- Taxon
- common beanPhaseolus vulgarist0
- Treatment
- combination of the two practicese0
- Outcome
- benefits to both plant and soil fertilitye0
- Direction
- greateste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“common bean”
e0“the combination of the two practices resulted in the greatest benefits to both plant and soil fertility”
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