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  2. Deepwater rice - Wikipedia

    en.wikipedia.org/wiki/Deepwater_rice

    Two adaptations permit the rice to thrive in deeper water, floating rice and traditional talls. Traditional talls are varieties that are grown at water depths between 50 and 100 cm (20 and 39 in) and have developed to be taller and have longer leaves than standard rice. Floating rice grows in water deeper than 100 cm through advanced elongation ...

  3. Self-heating food packaging - Wikipedia

    en.wikipedia.org/wiki/Self-heating_food_packaging

    Self-heating rice with quicklime and water as heating source, taken before adding water to quicklime. The source of the heat for the self-heated can is an exothermic reaction that the user initiates by pressing on the bottom of the can. The can is manufactured as a triple-walled container.

  4. Crop tolerance to seawater - Wikipedia

    en.wikipedia.org/wiki/Crop_tolerance_to_seawater

    Liu Shiping's team at Yangzhou University created rice varieties that can be grown in salt water, and achieve yields of 6.5 to 9.3 tons per hectare. [ 12 ] [ 13 ] As of 2021, seawater rice had been planted on 400,000 ha (990,000 acres) in soils with up to 4 grams of salt per kilogram, with yields averaging 8.8 tons per hectare, according to ...

  5. In Vietnam, farmers reduce methane emissions by changing how ...

    www.aol.com/news/vietnam-farmers-reduce-methane...

    Using less water and using a drone to fertilize are new techniques that Van is trying and Vietnam hopes will help solve a paradox at the heart of growing rice: The finicky crop isn’t just ...

  6. Controlled-environment agriculture - Wikipedia

    en.wikipedia.org/wiki/Controlled-environment...

    A 2020 U.S. survey found that typical indoor agriculture crops, per pound of crop yield, consumed between US$0.47 (for leafy greens) and US$1.38 (for microgreens) in inputs (especially seed, growing media, and nutrients) -- though tomatoes were reported at US$0.06 inputs per pound. Labor costs for container farms were reported at US$2.35 per pound.

  7. The Ideal Rice to Water Ratio For Making Perfect Rice ... - AOL

    www.aol.com/lifestyle/ideal-rice-water-ratio...

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  8. Direct seeded rice - Wikipedia

    en.wikipedia.org/wiki/Direct_Seeded_Rice

    Direct seeded rice (DSR) [2] [3] is a practice of sowing paddy which involves planting rice seeds directly into the field, instead of the traditional method of growing seedlings in nurseries and then transplanting them into the fields. This method significantly reduces the demand for labor, one of the major costs associated with rice farming.

  9. Rice-duck farming - Wikipedia

    en.wikipedia.org/wiki/Rice-duck_farming

    While rice is growing: Ducks eat pests (e.g. brown planthoppers) in the crop; they stir water, limiting weeds, and manure the rice. Surface must be even; water depth must suit ducks; young ducks best as they don't nibble rice leaf tips. [5] Rice-fish-duck: China: Fishes bred on rice terraces: Fattens ducks and fish, controls pests, manures the ...

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