Abstract
The mango tree (var. Maranhão) is a fruit of great relevance in regions with semiarid climate. However, knowledge about the effect of salinity on seedling growth is still incipient. The seedling formation phase is of great importance for the establishment of vigorous plants in the field. Therefore, the research was conducted with the objective of evaluating the mango (var. Maranhão) seedlings irrigated with different saline levels in substrate with and without bovine biofertilizer. The experiment was installed in the Instituto Federal de Educação, Ciência e Tecnologia da Paraíba, Campus Picuí, in a randomized block design with four replications, in a 6 x 2 factorial arrangement, corresponding to six levels of electrical conductivity of irrigation water (0,5; 2,0; 3,5; 5,0; 6,5 and 8,0 dS m-1), on substrates without and with bovine biofertilizer. The substrate was obtained from a mixture of soil and part of bovine manure in a 2: 1 ratio. The bovine biofertilizer was obtained, 30 days before sowing, from the aerobic fermentation of fresh manure. The dry mass of the leaf was affected as a consequence of the increase of the salinity in the soil solution and, consequently, the decrease of the availability and the absorption of water. However, in the treatments with bovine biofertilizer, the leaf dry mass was significantly higher in relation to the soil without the organic input. It was verified that the differences between the values of the plants cultivated in substrates with biofertilizer surpassed those of plants cultivated in substrates without biofertilizer. It is concluded that the increase in saline levels of water used for irrigation impairs the growth of mango trees (var. Maranhão), mainly after 3,5 dS m -1 of electrical conductivity and that the use of the bovine liquid biofertilizer promotes the formation of seedlings of better quality, with higher growth and accumulation of dry mass.
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Claims 4
Claim · model-written summary
Increased soil salinity reduced mango leaf dry mass.
- Taxon
- mango
_from_India.jpg?width=60)
Mangifera indicae1 - Material
- var. Maranhãoe1
- Treatment
- increase of the salinity in the soil solutione0
- Outcome
- dry mass of the leafe0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_from_India.jpg?width=500)
Verbatim
e0“The dry mass of the leaf was affected as a consequence of the increase of the salinity in the soil solution and, consequently, the decrease of the availability and the absorption of water”
e1“mango (var. Maranhão) seedlings”
Claim · model-written summary
Bovine biofertilizer significantly increased leaf dry mass over soil without it.
- Taxon
- mangoMangifera indicae1
- Material
- var. Maranhãoe1
- Treatment
- bovine biofertilizere0
- Outcome
- leaf dry masse0
- Direction
- highere0
- Comparator
- soil without the organic inpute0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in the treatments with bovine biofertilizer, the leaf dry mass was significantly higher in relation to the soil without the organic input”
e1“mango (var. Maranhão) seedlings”
Claim · model-written summary
Increasing irrigation salinity impaired mango growth, mainly after 3,5 dS m -1.
- Taxon
- mangoMangifera indicae0
- Material
- var. Maranhãoe0
- Treatment
- increase in saline levels of water used for irrigatione0
- Outcome
- growthe0
- Direction
- impairse0
- Qualifier
- mainly after 3,5 dS m -1 of electrical conductivitye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increase in saline levels of water used for irrigation impairs the growth of mango trees (var. Maranhão), mainly after 3,5 dS m -1 of electrical conductivity”
Claim · model-written summary
Bovine liquid biofertilizer improved seedling growth and dry mass.
- Taxon
- mangoMangifera indicae1
- Material
- var. Maranhãoe1
- Treatment
- bovine liquid biofertilizere0
- Outcome
- growth and accumulation of dry masse0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“use of the bovine liquid biofertilizer promotes the formation of seedlings of better quality, with higher growth and accumulation of dry mass”
e1“mango trees (var. Maranhão)”
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