Abstract
In order to protect human health and the environment and to prevent the occurrence of weed ecotypes, global efforts are being made to reduce the world’s high dependency on synthetic herbicides for weed control. In this perspective, a field experiment was conducted during 2018/2019 season at the educational farm of the National School of Agriculture of Meknes (Morocco) to evaluate mulch effect of black plastic, oat straw and sycamore leaves on both faba bean and weed growth at flowering and harvest stage. The experiment was performed according to a randomized complete block design (RCBD) repeated four times. The results showed that the highest weeds infestation was recorded in weedy check (Control). Sycamore leaves, oat straw and black plastic mulches have significantly reduced weeds density and biomass, thus provided efficiency by 84.8, 80.6 and 86.8% respectively. In addition, the oat straw, black plastic, and sycamore leaves have improved faba bean yield by 42, 52.9, and 43% respectively. In conclusion, mulching practice can be a promising alternative of weed management for faba bean crop in Meknes region.
Highlights
Faba bean (Viciafaba L.) is one of the most important cultivated species of the fabaceae family [1]
Three treatments were tested; black polyethylene, oat straw (4t/ha) and plane tree leaves (Sycamore leaves) (4 t/ha) were applied between the rows immediately after faba bean emergence to compare these treatments with weedy check (Untreated)
2.1 Weed flora associated with faba bean
Summary
Faba bean (Viciafaba L.) is one of the most important cultivated species of the fabaceae family [1]. Faba beans have the ability to fix atmospheric nitrogen by a symbiotic relationship with bacteria, the genus of rhizobium [3], increases soil fertility and the productivity of agricultural lands. This craze is waning over time [4]. Regarding of the harmful effects of herbicides use on humans and environment [8], a reasonable and careful attitude must be envisaged to limit or even stop the use of agrochemical products [9] In this context, several methods provide information on agroecological practices such as mulching that can lead to sustainable weed management [10]. The present study was conducted in an experiment field to evaluate the effect of organic and inorganic mulch on weeds density and biomass, as well as on faba bean yield components
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