Abstract
ABSTRACT The reduction of the risk of agricultural failure due to climate change was implemented in the NTB province through conservation agriculture (CA) with three main pillars: minimum tillage or no tillage, continuously land cover crop and plant rotation or intercropping. Conservation agriculture in the long term may improve yields and simultaneously increase adaptation to climate change, especially in erratic rainfall conditions. The objective of this research was to apply conservation agriculture technology on dryland and semiarid climate type for maize cultivation through participatory approach. There were 46 farmer groups with a total of 953 members have involved to apply conservation agriculture through a field school approach. Each farmer group developed a CA plot as a joint learning tool compared to farmer practices. Farmer groups planted maize at all types of CA. This activity was conducted at 3 districts, 5 sub-districts and 9 villages in NTB province from 2014 to 2016. The average yield of maize crops with conservation agriculture during the four planting seasons from 2014 to 2016 was 3.9 ton/ha with an increase of 77% compared to the harvest of maize by the farmer practices (2.2 ton/ha). The average yield of maize in the rainy season of 2014 with CA techniques was 4.3 ton/ha; this yield was increase by 68% compared to farmer practice (2.6 ton/ha). In wet season of 2015, the average yield of maize with CA was 3.4 tons / ha and this was increased by 87% compared to farmers practices (1.8 tons / ha). Similar trend was also found in wet season of 2016 where yield of maize increased by 63% compared to farmers practices. Thus, Conservation agriculture consistently increased maize productivity and increased the income of farmers on uncertain climatic conditions.
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Claims 5
Claim · model-written summary
Conservation agriculture increased average maize yield over four seasons by 77% relative to farmer practices.
- Treatment
- conservation agriculturee0
- Outcome
- yield of maize cropse0
- Direction
- increasee0
- Value
- 77%e0
- Qualifier
- 3.9 ton/hae0
- Comparator
- farmer practicese0
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The average yield of maize crops with conservation agriculture during the four planting seasons from 2014 to 2016 was 3.9 ton/ha with an increase of 77% compared to the harvest of maize by the farmer practices (2.2 ton/ha)”
Claim · model-written summary
Conservation agriculture increased rainy season 2014 maize yield by 68%.
- Treatment
- CA techniquese0
- Outcome
- yield of maizee0
- Direction
- increasee0
- Value
- 68%e0
- Qualifier
- rainy season of 2014e0
- Comparator
- farmer practicee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The average yield of maize in the rainy season of 2014 with CA techniques was 4.3 ton/ha; this yield was increase by 68% compared to farmer practice (2.6 ton/ha)”
Claim · model-written summary
Conservation agriculture increased wet season 2015 maize yield by 87%.
- Treatment
- CAe0
- Outcome
- yield of maizee0
- Direction
- increasede0
- Value
- 87%e0
- Qualifier
- wet season of 2015e0
- Comparator
- farmers practicese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In wet season of 2015, the average yield of maize with CA was 3.4 tons / ha and this was increased by 87% compared to farmers practices (1.8 tons / ha)”
Claim · model-written summary
Conservation agriculture increased wet season 2016 maize yield by 63%.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Similar trend was also found in wet season of 2016 where yield of maize increased by 63% compared to farmers practices”
e1“Farmer groups planted maize at all types of CA”
Claim · model-written summary
Conservation agriculture increased farmer income under uncertain climatic conditions.
- Treatment
- Conservation agriculturee0
- Outcome
- income of farmerse0
- Direction
- increasede0
- Comparator
- farmer practicese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Conservation agriculture consistently increased maize productivity and increased the income of farmers on uncertain climatic conditions”
e1“compared to the harvest of maize by the farmer practices”
e2“yield of maize crops with conservation agriculture”
The same questions in other papers
tillage · yield · Zea mays (maize)Positive and negative results
811 papers in the same direction as this paper · 230 in the opposite direction · 57 reporting no difference from an alternative
- no effect
- negative
- no effect
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