Produtividade, Desempenho Operacional E Econômico Da Semeadura De Soja Com Inoculação via Sulco

Correia, Tiago Pereira da Silva; Silva, Paulo Roberto Arbex; Camara, G M S; Tavares, Leandro Augusto Felix; Faggion, Francisco

doi:10.17224/energagric.2018v33n2p110-117

Cited by 1 publication

(4 citation statements)

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“…Similar effects was found with application of Bradyhizobium, in two varieties of soybeans, possibly attributed to the higher N supply by the bacteria in this method [21]. Nitrogen is more available in this method, in the critical periods of flowering and pod formation [3], they are responsible for promoting a greater number of pods.…”

Section: Fig 1 Root Dry Mass Of Soybeans As a Function Of The Combination Of Different Application Methods And Inoculant Dosessupporting

confidence: 65%

“…Thus, in order to determine the number of nodules, plants were collected with the aid of a shovel and hoe, with precautions to keep the nodules in the roots. Later, through a 2.0 mm mesh sieve and running water, removing the soil from the roots and nodules of the plants, and then handled to air dry and packed in properly identified paper bags, according to the methodology proposed by [3]. The root dry mass followed the methodology proposed by [11], in which the plant is sectioned at the base, washing the roots under running water, and after drying in greenhouses with forced air circulation at 65ºC until reaching constant weight.…”

Section: Methodsmentioning

confidence: 99%

“…To assist in this process, the inoculation operation is performed in manual or mechanized form, seeking to provide physical contact between the N-fixing bacteria with the seeds or the soil. The traditional method occurs by seed treatment, mixing in drums, concrete mixers or specific machines for this purpose, another alternative is inoculation infurrow, carried out by spray tips coupled to the seeder, which simultaneously with the deposition of the seeds, the inoculant is inoculated into the sowing furrow [3]. There is also spraying on the roof, characterized by the sprinkling of the inoculant on plants in a vegetative stage [4].…”

Section: Introductionmentioning

confidence: 99%

“…The efficiency of the inoculation process depends on the type of inoculant and its inoculation, on the environmental factors during the operation or treatment and on the application method. In in-furrow inoculation, [3] found an increase of 335 kg ha -1 in productivity using coinoculation of Bradyrhizobium japonicum with Azospirillum brasilense by in-furrow compared to application via seed treatment. Corroborating this action, [5] found an increase of 20%(500 kg ha -1 ) in productivity with the same treatment, compared to the method via seed, and also found a reduction of 43.3% in the productivity of uninoculated soybean.…”

Section: Introductionmentioning

confidence: 99%

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Inoculation Methods and Doses and Relationship with the Vegetative and Reproductive Development of Soybeans

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This study aimed to evaluate and compare the method of in-furrow inoculant application with the other existing methods, as well as, in different doses in the development of soybean culture. The experimental design was randomized blocks in a two-factorial scheme (4 x 3), with four inoculation methods, without inoculation (control), by seed, in-furrow and leaf spray, with three doses, 100, 200 and 400%. Leaf and root dry mass, number of nodules, pods per plant, number of seeds per vegetables, height, knots per plant, productivity, root resistance and average chlorophyll content were measured. The combination of factors did not affect plant height, leaf dry matter, root resistance, grains and pods per plant, plant per knot and weight of 100 seeds, affecting only other parameters, in which the largest root dry matter occurred in in-furrow inoculation in the dose of 400%, with 3.82 g plant-1, against 3.43 g plant-1 in the by seed method in the same dose. In the in-furrow application at the 100% dose, the highest number of grains pod-1 occurred, with 3.42 grains pod-1, combined with an increase in pods plants-1, and a 19% increase in productivity relative to the control, and 9.5% at the third increase, in the spray. Co-inoculation methods affect the development of soybeans, and the method that provided the greatest of soybean development was by in-furrow.

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Section: Fig 1 Root Dry Mass Of Soybeans As a Function Of The Combination Of Different Application Methods And Inoculant Dosessupporting

confidence: 65%

Section: Methodsmentioning

confidence: 99%