Abstract
The combination of inorganic and organic fertiliser materials allows farmers to reduce fertilisation costs and enhance soil heath. A trial was conducted at Chitundo farm, Vanduzi, Manica province (Mozambique) to test the effect of combinations of inorganic fertilisers and composts as basal doses on drip-irrigated Thai baby corn variety SG 18 production. Twelve treatments were tested viz. 200 kg ha-1 of inorganic fertiliser NPK (10:30:10), 30 t ha-1 of compost, combinations of 120 kg ha-1 of NPK fertiliser with 10, 15, 20, 25 and 30 t ha-1 of compost and combinations of 75 kg ha-1 of NPK fertiliser with 10, 15, 20, 25 and 30 t ha-1 of compost. The trial was set up in a Completely Randomized Design with 4 replicates. Growth parameters (stem diameter at 55 days after germination and plant height at first cob setting or 60 days after germination) and yield parameters at harvest were assessed. The inorganic fertiliser NPK (10:30:10) at 200 kg ha-1 gave taller baby corn plants, although no significant difference between the twelve treatments were observed on stem diameter. The twelve basal fertiliser rates provided the same gross yields, but the basal fertiliser (200 kg ha-1 inorganic fertiliser) produced higher exportable yields due to better quality of the cobs. The results show that a significant inorganic fertiliser reduction can be achieved through compost addition without compromising baby corn yields. However, care needs to be taken to improve quality of the product. The cob development rate is much slower in compost-fertilised baby corn plants, which may result in immature cobs being harvested with lower pack out, and hence lower exportable yield.
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Claims 8
Claim · model-written summary
The 200 kg ha-1 inorganic NPK rate gave taller baby corn plants.
- Taxon
- baby corne0
- Treatment
- inorganic fertiliser NPK (10:30:10) at 200 kg ha-1e0
- Outcome
- baby corn plantse0
- Direction
- tallere0
Not reportedComparatorSetting
Verbatim
e0“The inorganic fertiliser NPK (10:30:10) at 200 kg ha-1 gave taller baby corn plants”
Claim · model-written summary
Stem diameter did not differ significantly among the twelve fertilizer treatments.
Verbatim
e0“no significant difference between the twelve treatments were observed on stem diameter”
t0“baby corn”
Claim · model-written summary
The twelve basal fertilizer rates gave the same gross yields.
Verbatim
e0“The twelve basal fertiliser rates provided the same gross yields”
t0“baby corn”
Claim · model-written summary
The 200 kg ha-1 inorganic fertilizer produced higher exportable yields.
- Taxon
- baby cornt0
- Treatment
- 200 kg ha-1 inorganic fertilisere0
- Outcome
- exportable yieldse0
- Direction
- highere0
- Qualifier
- better quality of the cobse0
Not reportedComparator
Verbatim
e0“the basal fertiliser (200 kg ha-1 inorganic fertiliser) produced higher exportable yields due to better quality of the cobs”
t0“baby corn”
Claim · model-written summary
Adding compost permitted a significant reduction in inorganic fertilizer without compromising baby corn yields.
- Taxon
- baby corne0
- Treatment
- compost additione0
- Outcome
- baby corn yieldse0
- Direction
- without compromisinge0
- Qualifier
- significant inorganic fertiliser reductione0
Not reportedComparator
Verbatim
e0“a significant inorganic fertiliser reduction can be achieved through compost addition without compromising baby corn yields”
Claim · model-written summary
Cob development was much slower in compost-fertilized baby corn.
Not reportedComparator
Verbatim
e0“The cob development rate is much slower in compost-fertilised baby corn plants”
e1“200 kg ha-1 inorganic fertiliser”
Claim · model-written summary
Slower cob development may yield immature cobs with lower pack out and exportable yield.
Verbatim
e0“which may result in immature cobs being harvested with lower pack out, and hence lower exportable yield”
e1“The cob development rate is much slower in compost-fertilised baby corn plants”
Claim · model-written summary
The authors advise care to improve product quality when compost is used.
Verbatim
e0“However, care needs to be taken to improve quality of the product.”
t0“baby corn”
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