Effect of Biofilterizers and Control Treatments on Roots Nodulation, Yield and Associated Weeds of Soybean Crop

Abstract

This study was carried out during 2013 and 2014 seasons to investigate the effect of different biofertilizers (microbin, phosphorine and rhizobecteren) and weeds control treatments (flauzifop-p-butyl, bentazon, flauzifop-p-butyl + bentazon, hand hoeing twice and three times) on roots nodulation, crop yield and associated weeds of soybean. The results showed that the biofertilizers and weeds control treatments significantly decreased the dry weight of grassy weeds, broad-leaved and total weeds. Also bio-fertilizers and weeds control treatments increased nodulation (number and fresh weight nodules) and soybean growth and yield characters (plant height, number of branches, number of pods, weight of pods, weight of seeds, number of seeds per plant as well as seeds yield ha-1) in both growing seasons. Moreover, bio-fertilizers and weeds control treatments increased seeds quality parameters (oil, protein and nutrients content) as well as enhanced nitrate reductase activity (NRA) in leaves and seeds of soybean in both growing seasons. Interaction between biofertlizers and weeds control treatments showed significant control of soybean weeds and increased crop yield of soybean.

Production of highly pure R,R-2,3-butanediol for biological plant growth promoting agent using carbon feeding control of Paenibacillus polymyxa MDBDO

“…Previous research also reported that the P. polymyxa fermentation broth increased plant growth (shoot length, root length, and biomass) in soybean, canola, kiwifruit, pepper, watermelon, rice, maize, potato, cucumber, beans, tomato, barley, Arabidopsis , and other ornamental plants [ 7 , 51 , 52 ]. It is also known that the 2,3-BDO secreted by bacteria stimulates root development, leading to increased uptake of nutrients and water and increased plant growth [ 4 , 53 ].…”

“…In addition, the increase in nitrous oxide caused by the use of chemical fertilizers affects global warming [ 3 ]. In order to solve these problems of chemical fertilizers, various researches on alternative plant growth promoting agents are in progress [ 4 – 7 ]. Among them, a promising alternative plant growth promoting agent is 2,3-butanediol (2,3-BDO).…”