Weeds

Report on Jagannath Sagar Lake, Jeypore, Odisha, 14/09/2020

Report by the District Magistrate, Koraput, Odisha in Original Application No - 148/19 filed by Basanta Patra Vs State of Odisha & Others. The matter related to preservation of Jagannath Sagar, Jeypore, Odisha. The report stated that for de-weeding of Jagannath Sagar, the district administration has agreed to hire the …

A software to manage weed

a new open source software to identify and manage the major weed species of rice-wheat cropping systems of the Indo-Gangetic plains was launched recently. It targets farmers, extension workers, students, researchers and grass roots organisations. The project is called the Open source Simple Computer for Agriculture in Rural areas software …

Mautak will flower

function table() { var popurl="files/images/20051031/27-table.jpg" winpops=window.open(popurl,"","width=500,height=275,scrollbars=yes") } In 1959 the lives of the Mizo people in northeast India was morphed completely by the flowering of a bamboo species called Melocanna baccifera or mautak , as they call it. It led to famine, an armed insurrection, more than 3,000 people dead …

Bytes

abundant bacteria: Scientists say soil contains 100 times more bacteria species than believed. Previous studies estimated a gramme of unpolluted soil contained about 10,000 bacteria species. But a fresh analysis of soil data by researchers at the Los Alamos National Laboratory in New Mexico, the US, suggests the actual number …

Nutritious weeds

Nestled among the mountains of the Western Ghats is Wayanad district, Kerala. Well known for cash crops such as coffee, tea, pepper and cardamom, this district is also redolent with a variety of flora. In fact, its rich plant wealth has given Wayanad the sobriquet,

Or weed it out

A weed that spreads rapidly through ponds, lakes and rivers could provide a cheap yet effective way of removing arsenic from drinking water. A research team at UK's De Montfort University, led by Parvez Haris, has found a powder made from the dried roots of water hyacinth (Eichhornia crassipes) removed …

Definitive

the advocates of transgenic crops recently received a big blow from the findings of the largest ever study into the ecological impact of these crops, published recently in Proceedings of the Royal Society B:Biological Sciences . The three-year study commissioned by the uk government suggests that some genetically modified crops …

Jatropha fever

The government of Chhattisgarh is on a mission to promote jatropha. It has planted 6 lakh saplings in the last six months and has requested additional funds from the Union government to plant more jatrophas. On face of it, promoting the plant makes good sense: jatropha has medicinal uses and …

Scientists find fungus to rein in water hyacinth

researchers from Kerala-based College of Agriculture have found that the fungus Fusarium pallidoroseum is useful in controlling water hyacinth

Weed out the menace

adding small amounts of seaweed to ddt-contaminated sites can effectively break down the deadly pesticide, as per an international team of researchers. During a series of experiments, the researchers found that too much seaweed hindered the degradation of the pesticide. "But an effective mix of 0.5 per cent seaweed added …

Kolleru lake is vanishing a revelation through digital processing of IRS-1D LISS-III sensor data

Digital processing of the IRS-1D LISS-III image revealed a highly degraded state of the Kolleru lake. Among the several techniques tried, image enhancement through automatic log residuals method clearly indicated that about 42% of the 245 km2 lake area was encroached for aquaculture and 8.5% more area was occupied for …

Modified and making trouble

since its inception, the agro-biotech industry has had a unique selling proposition

Mesoamerican masters of biotechnology

Maize is undeniably humanity's greatest, and the first, feat of genetic engineering. But the success story cannot be attributed to modern humans. A recent research shows that it is only due to the selective breeding efforts of ancient Americans that maize today has its huge ears, each packed with firmly …

Stop gatecrashing

are multinationals overlooking the impacts their activities could have on fragile ecosystems? This question is being repeatedly asked by many specialists, with the spotlight on Pepsi Foods Limited (pfl)

Born loser

a study conducted in the wheat growing regions of the us indicates that use of herbicides like 2,4-dichlorophenoxyacetic acid and 4-chloro-2-methylphenoxyacetic acid can lead to malformation among newborns. These herbicides are widely used for weed control in parks and farms. In the past they have been linked with an increased …

Mile a minute solution

an exotic fungus may help save your favourite cup of tea. Scientists are planning to introduce a rust fungus to combat a weed that is strangling India's tea crops all over Assam and Darjeeling. However, the biological agent to kill Mikania micrantha may not be as good as claimed

Weeding out waste

recently the Punjab government along with Punjab State Council for Science and Technology (pscst) launched a programme to clean village ponds using duckweed technology. The technology entails treating contaminated waterbodies with the help of tiny aquatic plants known as duckweeds (Lemnaceae). These plants have microbes in their roots that have …

Paradise under fire

The beautiful Valley of Flowers, known for its almost miraculous flower diversity and fecundity, is caught in a strange controversy. The point of contention: is the conservation attempt proving to be the problem rather than the solution? In 1982, the valley was notified as a national park, and livestock grazing …

Diseased fields

the farmers of the Kashmir valley are a helpless lot today. They remain a mute spectator to the havoc wrought by lethal

Once lost is lost

Wetlands lost to agriculture can be reclaimed with relative ease, but they will not regain their former flora and fauna without a huge effort, according to research conducted at the University of Minnesota, in the US. Susan Galatowitsch, associate professor and a colleague found that restored prairie potholes were quickly …

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