نتایج جستجو برای: weeding treatments
تعداد نتایج: 176783 فیلتر نتایج به سال:
In Bangladesh during 2017-2018 was conducted in a farmer's field of the Chattogram hill districts to determine effectiveness different weed control strategies for transplanted chilli. The dry weight weeds, efficiency, index, and yield components like number fruits per plant, fruit length, weight, marketable yield, had been significantly affected by using measures. act treatment chilli fields, h...
The effect of tillage, crop establishment and weed management was studied on theperformance of wheat grown after soybean at New Delhi, India during 2010-11 to 2011-12.Sixteen treatment combinations involved 2 tillage, viz. conventional tillage (CT) and zero tillage(ZT), two crop establishment practices, viz. raised-bed and flat-bed and four weed management,viz. isoproturon + hand weeding, mesos...
Intensive weed management is one of the most common practices in coffee cultivation areas. Consequently, some problems, such as soil degradation and selection herbicide resistant weed, have increased over time, but, if properly managed, weeds at planting inter-rows can offer benefits erosion control, nutrient recycling crop sustainability. The aim this study to evaluate effect different strateg...
The Formosan red-bellied tree squirrel (Callosciurus erythraeus.) is a pest animal that causes serious damage to many conifer plantations in Taiwan. Poisoning has been the major means to control the damage. The feasibility of forestry control through habitat manipulation has been evaluated during the past 5 years. The objective of this study was to investigate the effects of forest-tending oper...
This paper describes a dynamic simulation model that allows for comprehensive assessment of integrated weed management programmes for the control of annual barnyardgrass (Echinochloa crus-galli complex) in Philippine rice farming systems. The main outputs of the model include weed seed and plant densities and seasonal and annualised profit over the simulated planning horizon. Results broadly in...
Tropical dry forests (TDFs) have been widely transformed by human activities worldwide and the ecosystem services they provide are diminishing. There has been an urgent call for conservation and restoration of the degraded lands previously occupied by TDFs. Restoration experiences aim to recover species diversity and ecological functions. Different restoration strategies have been used to maxim...
Tradescantia fluminensis, commonly referred to as ‘tradescantia’, is an invasive weed of canopydepleted forest remnants. Previous research suggests that a reduction of tradescantia biomass to ~80 gm-2 (~40% cover) is compatible with native forest regeneration. I assessed herbicide application, hand weeding and artificial shading as methods for the control of tradescantia in two lowland podocarp...
Development of an autonomous weeding machine requires a vision system capable of detecting and locating the position of the crop. It is important for the vision system to be able to recognize the accurate position of the crop stem to be protected during weeding. Several shape features of corn plants and common weed species in the location were extracted by means of morphological operations. Eff...
Weed control is one of the most labor-intensive tasks for organic vegetable farms, and a realtime crop recognition system is the main challenge to develop the automatic mechanical weeding system. One solution using time-of-flight (TOF) 3D camera and advanced computation technique based on FPGA is proposed to address this problem. It has great advantages and can work reliably in the real harsh w...
The experiment was conducted at agronomy farm of Sher-e-Bangla Agricultural University, Dhaka from November 2017 to April 2018 investigate the influence weeding regimes on performance white maize varieties. comprised two varieties viz. YANGNUO-3000 and PSC-121, designated as V1 V2 respectively combined with four weed control treatments T0 = No weeding, T1 One hand 60 DAS (days after sowing), T2...
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