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Chena is the oldest cultivation method in Sri Lanka, it goes far back as more than 5,000 years.(Before the Anuradhapura Kingdom) [1] [2] it the dry zone, the recovery of a chena plot proceeds through various stages of succession, (active chena, abandoned chena, chena re-growth, scrub with pioneer three species, scrub with secondary tree species, secondary forest, secondary forest with primary ...
Senna, the sennas, is a large genus of flowering plants in the legume family (Fabaceae, subfamily Caesalpinioideae, [2] tribe Cassieae ser. Aphyllae [3]).This diverse genus is native throughout the tropics, with a small number of species in temperate regions.
A weed of cultivation is any plant that is well-adapted to environments in which land is cultivated for growing some other plant. Many such weeds are quite specialised and can only thrive and reproduce where the ground has been broken by plough or spade.
Mesembryanthemum tortuosum (many synonyms, including Sceletium tortuosum) is a succulent plant in the family Aizoaceae native to the Cape Provinces of South Africa. [1] It is known as the Namaqua skeletonfig, kanna, channa, kougoed (kauwgoed/ 'kougoed', prepared from 'fermenting' M. tortuosum [2])—which literally means, 'chew(able) things' or 'something to chew'.
Alternate wetting and drying (AWD) is a water management technique, practiced to cultivate irrigated lowland rice with much less water than the usual system of maintaining continuous standing water in the crop field.
In 2019, president Gotabaya Rajapaksa campaigned to eliminate artificial pesticides. In April 2021 he "declared that the entire country would immediately switch to organic farming", yet as of February 2022, still "a majority of farmers say they received no training in organic techniques". [3]
Chrysopogon zizanioides, commonly known as vetiver and khus, is a perennial bunchgrass of the family Poaceae.. Vetiver is most closely related to Sorghum while sharing many morphological characteristics with other fragrant grasses, such as lemongrass (Cymbopogon citratus), citronella (Cymbopogon nardus, C. winterianus), and palmarosa (Cymbopogon martinii).
Chenopodium pallidicaule, known as cañihua, canihua or cañahua (from Quechua 'qañiwa, qañawa or qañawi') [1] [2] [3] and also kañiwa or kaniwa, is a species of goosefoot, similar in character and uses to the closely related quinoa (Chenopodium quinoa).