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By staggering sowings, a constant supply of young sprouts can be ensured. Any vessel used for sprouting must allow water to drain from it, because sprouts that sit in water will rot quickly. The seeds swell, may stick to the sides of the jar, and begin germinating within a day or two. Another sprouting technique is to use a pulse drip method.
Sweet potato sprouting "slips" Sweet potato harvest in Nash County, North Carolina, United States Depending on the cultivar and conditions, tuberous roots mature in two to nine months. With care, early-maturing cultivars can be grown as an annual summer crop in warm temperate areas, such as the Eastern United States and China.
According to a 2012 study, an estimated 300,000 households in Nigeria engage in potato production, which translates to an average planted area of 1 hectare (2.5 acres) per household each year. [12] The country's main potato-planting region is the Plateau State (Barkin Ladi, Bokkos, and Mangu) which accounts for almost half of the national ...
World yam production Yam in a market. Nigeria is by far the world’s largest producer of yams, accounting for over 70–76 percent of the world production.According to the Food and Agriculture Organization report, in 1985, Nigeria produced 18.3 million tonnes of yam from 1.5 million hectares, representing 73.8 percent of total yam production in Africa. [1]
Population density of Nigeria per square kilometer Agricultural sustainability in Northern Nigeria requires flexibility in both ecological management as well as economic activity. [ 1 ] The population densities of the rural area in this region climbed from 243 to 348 people per square kilometer between 1962 and 1991, but the land area under ...
The sweet potato (Ipomoea batatas) is a very important crop for subsistence farmers in Africa and developing countries in other regions. [1] [2] Its relatively short growing period, tolerance to drought and high yield from poor soils lead to its use as a famine reserve for many of these households.
Sedimentation (water treatment) Septic tank; Septic tank conversion [2] Sequencing batch reactor; Sewage treatment; Skimmer (machine) Slow sand filter; Stabilization pond; Supercritical water oxidation (SCWO) Thermal hydrolysis; Treatment pond; Trickle-bed reactor; Trickling filter; Ultrafiltration; Ultraviolet disinfection; Upflow anaerobic ...
Water contaminated by aluminium or zinc cannot be treated in this way using a strong alkali as higher pHs re-dissolve the metal salts. Salt is difficult to remove except by reverse osmosis or distillation. Most portable treatment processes focus on mitigating human pathogens for safety and removing particulates matter, tastes and odours.