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1.
Artículo | IMSEAR | ID: sea-230439

RESUMEN

The global yearly use of plastic mulching in agriculture is 2.1 million tonnes in 2020. Agriculture is the second most significant source of GHG emissions, accounting for around 13.5% of total global anthropogenic emissions. Plastic mulching is of paramount importance in horticulture for its numerous benefits. It reduces weed development, conserves soil moisture, regulates soil temperature, and prevents soil erosion by forming a protective barrier. Traditional method of mulching is laborious, time consuming having lower efficient and accurate mulching as compared to developed low cost tractor operated mulch laying machine. It comprises soil bed preparation, drip laying, mulch laying, mulch covering, and making holes for transplanting simultaneously. This paper contains the cost analysis of developed machine and its comparison with traditional mulching method. The draft, operational speed, power requirement effective field capacity, field efficiency, and energy consumption of developed machine were found as 175 kgf, 3.5 km.h-1, 21.93 kW, 0.36 ha.h-1, 85.6 %, and 21.43 MJ.ha-1 respectively. In cost estimation it is found that the cost of operation and overall cost of developed machine were 1048.3 ?.ha-1 and ?13000 respectively. It turned out that the machine was economical, saving time, energy, and operating costs. By introducing the concept of affordability and simplicity, the machine has the potential to change cultivation practices, increase yields and improve farmers’ livelihoods in agricultural regions.

2.
Artículo | IMSEAR | ID: sea-229223

RESUMEN

Aim: To evaluate the weed control efficiencies of different mulching practices and legume intercropping in transplanted pearl millet.Study Design: Randomized Complete Block Design (RBD).Place and Duration of Study: The field trial was conducted during the Rabi season of 2022 at the school of agricultural sciences in Karunya Institute of technology and sciences, Coimbatore, Tamil Nadu.Methodology: The field trial consists of 8 treatments viz., T1 - PE of Atrazine 0.5kg/ ha +1 Hand Weeding at 30 DAT, T2 - Two Hand Weeding at 15 and 30 DAT, T3 - Paddy straw mulching at 5t/ ha 3 DAT, T4 - Black polythene mulching at 3 DAT, T5 - Black silver polythene mulching at 3 DAT, T6 - Intercropping of pulses (cowpea) (1:1), T7 - Intercropping of pulses (cowpea) (1:1) + PE Pendimethalin 0.75 kg/ ha, T8 - Un weeded check.Results: Results of the experiment proves that the intercropping of cowpea in pearl millet along with the pre-emergence application of pendimethalin proves to be beneficial and advantageous in terms of returns per rupee invested for profitable crop production, rather than going for polythene mulches. Hence adoption of legume intercropping in pearl millet, along with the usage of mild herbicides like pendimethalin, will be an economically viable and environmentally sustainable weed management practice for improving the yield of pearl millet.

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