Herbaceous perennials leguminous development cultivated during rainy season in the south of Tocantins state
DOI:
https://doi.org/10.33240/rba.v7i3.49375Keywords:
Green manure, Nutrients cycling, Weeds supression, Cover cropsAbstract
This research has the aim of generate informations about perennial herbaceous leguminous cultivated during rainy season. The leguminous studied were: kudzu (Pueraria phaseoloides), siratro (Macroptiliumatro purpureum) and centrosema (Centrosema pubescens). The research was settled in Federal University of Tocantins, in Gurupi. The experimental design were randomized blocks with four repetitions, being evaluated: sowing speed in days, soil coverture in percentage, suppression of weeds capacity through number of species and its dry biomass, dry biomass of leguminous decomposition using straw weight during time and nutrients in aerial biomass. The siratro showed the highest rate of emergency, while the tropical kudzu had slower growth, but decreased as many weeds, and there was no statistical difference between treatments concerning decomposition of waste. The centrosema has provided major input of N and P, though the other macronutrients, there was no statistical difference
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