Abstract
Large areas of the soils under rainfed crop production in the semi-arid climate regions Southern Africa are of Aeolian origin with a sandy texture. These soils are prone to wind erosion, soil compaction and drought, which hamper sustainable crop production. Field experiments were conducted over three years in which 3 tillage practices were combined with 3 cropping practices. The tillage practices were: i) conventional mouldboard ploughing, ii) stubble mulch tillage, both in combination with deep ripping and controlled traffic, and iii) no-tillage with chemical weed control. Every tillage practice was combined with three cropping practices viz. i) continuous maize, ii) wheat with a 5-month fallow, and iii) maize and wheat in rotation allowing a 10-month fallow. It was found that continuously grown maize and wheat with conventional tillage gave the highest rainfall use efficiency. Conventionally grown maize and wheat in rotation with a longer fallow gave the highest yields, whereas no-tillage with continuous maize and wheat gave the lowest yields. The yields on stubble mulching were lower than those on conventional tillage.
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Claims 7
Claim · model-written summary
Continuous maize under conventional tillage had the highest rainfall use efficiency.
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“continuously grown maize and wheat with conventional tillage gave the highest rainfall use efficiency”
Claim · model-written summary
Wheat under conventional tillage had the highest rainfall use efficiency.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- conventional tillagee0
- Outcome
- rainfall use efficiencye0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“continuously grown maize and wheat with conventional tillage gave the highest rainfall use efficiency”
Claim · model-written summary
Conventional maize in rotation with a longer fallow gave the highest yield.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Conventionally grown maize and wheat in rotation with a longer fallow gave the highest yields”
Claim · model-written summary
Conventional wheat in rotation with a longer fallow gave the highest yield.
- Taxon
- wheatTriticum aestivume0
- Treatment
- in rotation with a longer fallowe0
- Outcome
- yieldse0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Conventionally grown maize and wheat in rotation with a longer fallow gave the highest yields”
Claim · model-written summary
No-tillage continuous maize gave the lowest yields.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no-tillage with continuous maize and wheat gave the lowest yields”
Claim · model-written summary
No-tillage wheat gave the lowest yields.
- Taxon
- wheatTriticum aestivume0
- Treatment
- no-tillagee0
- Outcome
- yieldse0
- Direction
- loweste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no-tillage with continuous maize and wheat gave the lowest yields”
Claim · model-written summary
Stubble mulching produced lower yields than conventional tillage.
Verbatim
e0“The yields on stubble mulching were lower than those on conventional tillage”
t0“crop”
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