Pollution from heavy metals is one of the significant environmental concerns facing the world today. Human activities, such as mining, farming, and manufacturing plant operations, can allow them access to the environment. Heavy metals polluting soil can harm crops, change the food chain, and endanger human health. Thus, the overarching goal for humans and the environment should be the avoidance of soil contamination by heavy metals. Heavy metals persistently present in the soil can be absorbed by plant tissues, enter the biosphere, and accumulate in the trophic levels of the food chain. The removal of heavy metals from contaminated soil can be accomplished using various physical, synthetic, and natural remediation techniques (both in situ and ex situ). The most controllable (affordable and eco-friendly) method among these is phytoremediation. The removal of heavy metal defilements can be accomplished using phytoremediation techniques, including phytoextraction, phytovolatilization, phytostabilization, and phytofiltration. The bioavailability of heavy metals in soil and the biomass of plants are the two main factors affecting how effectively phytoremediation works. The focus in phytoremediation and phytomining is on new metal hyperaccumulators with high efficiency. Subsequently, this study comprehensively examines different frameworks and biotechnological techniques available for eliminating heavy metals according to environmental guidelines, underscoring the difficulties and limitations of phytoremediation and its potential application in the clean-up of other harmful pollutants. Additionally, we share in-depth experience of safe removing the plants used in phytoremediation—a factor frequently overlooked when choosing plants to remove heavy metals in contaminated conditions.
In North West Himalayan region, farmers tend to face problems related to production and natural resource management due to steep slopes; fragile geology and frequent landslides which leads to high soil erosion. The present study was conducted with the objective to assess the impact of Farmer FIRST Project on the livelihood of beneficiary farmers of study area. A sample of 300 farmers comprising of 180 beneficiary and 120 non-beneficiary farmers were selected through multi stage random sampling. To delineate the impact, with-without and before-after comparison on different aspects of Farmer FIRST Project were carried out. Study revealed that there exists a significant difference between beneficiary farmers and non-beneficiary farmers on various aspects, viz. awareness level, change in decision making behaviour, change in marketing behaviour, change in yield, change in income, change in cropping intensity and change in average annual employment days. Before-after comparison of beneficiary farmers showed that there is a significant increase in crop yield, cultivable area and average annual employment days. Hence, there is a need of upscaling the project for inclusion of more numbers of farmers and securing their livelihood.
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