Preinoculation of Soybean Seeds Treated with Agrichemicals up to 30 Days before Sowing: Technological Innovation for Large-Scale Agriculture

Table 4

Nodule number and biomass of soybean plants from the field experiments.

Treatment^■

Nodule number (# plant^−1)^●

Nodule biomass (mg plant^−1)^●

RV1^♠

RV2

RV3

CD

CB

PA

RV1

RV2

RV3

CD

CB

PA

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

value

<0.05

<0.05

<0.1

<0.1

<0.05

<0.05

<0.05

<0.05

<0.1

<0.1

<0.05

<0.05

descriptions: (1) Uninoculated, not N-fertilized control, treated seeds; (2) N-fertilized control, treated seeds; (3) Standard peat-based inoculant applied on planting day, treated seeds; (4) Standard liquid inoculant applied on planting day, untreated seeds; (5) Cronos inoculant, two days pre-inoculation, untreated seeds; (6) Cronos inoculant, two days pre-inoculation, treated seeds; (7) Cronos inoculant, four days pre-inoculation, treated seeds; (8) CronosNod technology, seven days pre-inoculation, treated seeds; (9) CronosTSI technology, 30 days pre-inoculation, treated seeds. ^●Means followed by the same letter, on the same column, are not significantly different, according to the comparison tests described in the Materials and Methods section. ^♠RV1 – experiment conducted in Rio Verde by Instituto Federal Goiano in 2013/2014; RV2 - experiment conducted in Rio Verde by Instituto Federal Goiano in 2014/2015, RV3 – experiment conducted in Rio Verde by Embrapa Soja, CD – experiment conducted in Cachoeira Dourada by Embrapa Soja, CB – experiment conducted in Curitibanos by Universidade Federal de Santa Catarina; PA – experiment conducted in Ponte Alta do Norte by Universidade Federal de Santa Catarina. ^♣NA = not applicable; the treatment was not included at the specific experimental site.