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  2. Cannabis in Pakistan - Wikipedia

    en.wikipedia.org/wiki/Cannabis_in_Pakistan

    A 1983 report by the Pakistan Narcotics Control Board states that drug usage was largely stable in the 1950s-1970s with opium and cannabis being common, but there was an upsurge in cannabis usage by middle class youths in the late 1960s and early 1970s due to the influence of Western pop culture. However, by the 1980s the habit fell from ...

  3. Weed - Wikipedia

    en.wikipedia.org/wiki/Weed

    Mechanical methods of weed control involve physically cutting, uprooting, or otherwise destroying weeds. On small farms, hand weeding is the dominant means of weed control, but as larger farms dominate agriculture, this method becomes less feasible. [6] On many operations, however, some hand-weeding may be an unavoidable component of weed ...

  4. Weed control - Wikipedia

    en.wikipedia.org/wiki/Weed_control

    Weed control is a type of pest control, which attempts to stop or reduce growth of weeds, especially noxious weeds, with the aim of reducing their competition with desired flora and fauna including domesticated plants and livestock, and in natural settings preventing non native species competing with native species.

  5. Herbicide - Wikipedia

    en.wikipedia.org/wiki/Herbicide

    Herbicides (US: / ˈ ɜːr b ɪ s aɪ d z /, UK: / ˈ h ɜːr-/), also commonly known as weed killers, are substances used to control undesired plants, also known as weeds. [1] Selective herbicides control specific weed species while leaving the desired crop relatively unharmed, while non-selective herbicides (sometimes called "total weed ...

  6. Department of Plant Protection - Wikipedia

    en.wikipedia.org/wiki/Department_of_Plant_Protection

    The Department of Plant Protection (DPP) (Urdu: سررشتہ تحفظِ نباتات ، پاکستان is a department of the Ministry of National Food Security and Research of the Government of Pakistan [1] [2] and a Federal Minister is the head of the ministry. Syed Fakhar Imam is the head of ministry since 6 April 2020. It works under the ...

  7. Climate change in Pakistan - Wikipedia

    en.wikipedia.org/wiki/Climate_change_in_Pakistan

    The Intergovernmental Panel on Climate Change (IPCC) Fifth Assessment Report (AR5) for the Asia region noted that the sensitivity of agriculture-dependent economies (such as Pakistan) toward climate change arises from their distinct geography, demographic trends, socioeconomic factors, and lack of adaptive capacity that when taken together ...

  8. Mechanical weed control - Wikipedia

    en.wikipedia.org/wiki/Mechanical_weed_control

    Mechanical weed control is a physical activity that inhibits unwanted plant growth. [1] Mechanical, or manual, weed control techniques manage weed populations through physical methods that remove, injure, kill, or make the growing conditions unfavorable. Some of these methods cause direct damage to the weeds through complete removal or causing ...

  9. Environmental issues in Pakistan - Wikipedia

    en.wikipedia.org/wiki/Environmental_issues_in...

    According to scientific research, climate change played a substantial role in the devastating floods of 2022, which had a direct impact on over 30 million people in Pakistan, resulting in the loss of lives, damage to public infrastructure, and displacement from homes. [19] Climate change poses a significant menace to Pakistan's economy and ...