MISTURA DE SEMENTES DE Brachiaria ruziziensis G.et E. COM URÉIA VISANDO À IMPLANTAÇÃO DO SISTEMA DE INTEGRAÇÃO LAVOURA-PECUÁRIA
2011
HUGO DE ALMEIDA DAN | LILIAN GOMES DE MORAES DAN | ALBERTO LEÃO DE LEMOS BARROSO | ALESSANDRO DE LUCCA E BRACCINI | GLEBERSON GUILLEN PICCININ
The use of granular fertilizers as a vehicle for seeding forage species has become a simple and very useful operation. However, the data is contradictory about how much time the seeds can be mixed with urea without reducing the germination percentage. The aim was to study the effect of mixing periods of urea with seeds of Brachiaria ruziziensis on physiological quality. The treatments consisted of seed mixed times of B. ruziziensis (0; 4; 8; 16; 24; 48; 96 and 192 hours) with urea, besides control treatment. It was used a completely randomized design with four replications. Moreover, with the passage of time in contact with urea, water content and electrical conductivity of seed increased, while there was decrease in percentage of germination, first count, the emergence and emergence speed index. Thus, it is concluded as feasible to mix the seeds with urea, since the seeding is performed at intervals shorter than 8 hours, reducing damage to the seed physiological quality of forage.
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