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Resistencias y formas de vida en las comunidades indígenas frente a la pandemia de COVID-19: Desafíos en la producción y comercialización local.

DORIS ARIANNA LEYVA TRINIDAD EVER SANCHEZ OSORIO JOHN KENNY ACUÑA VILLAVICENCIO (2020, [Capítulo de libro])

Datos publicados por la OPS-OMS (2013) menciona que en la salud de los pueblos indígenas y afrodescendientes en América Latina, la persistencia de las desigualdades constituye factores determinantes en los niveles de acceso a la salud, bienestar, causas de mortalidad temprana y morbilidad de los pueblos indígenas y afrodescendientes. En América Latina y el Caribe, los pueblos indígenas sufren 26% más los niveles de pobreza que las poblaciones no indígenas (CEPAL, 2019).

CIENCIAS SOCIALES CIENCIA POLÍTICA SOCIOLOGÍA POLÍTICA CONFLICTOS SOCIALES

Precise irrigation water and nitrogen management improve water and nitrogen use efficiencies under conservation agriculture in the maize-wheat systems

Mahesh Gathala ML JAT (2023, [Artículo])

A 3-year field experiment was setup to address the threat of underground water depletion and sustainability of agrifood systems. Subsurface drip irrigation (SDI) system combined with nitrogen management under conservation agriculture-based (CA) maize-wheat system (MWS) effects on crop yields, irrigation water productivity (WPi), nitrogen use efficiency (NUE) and profitability. Grain yields of maize, wheat, and MWS in the SDI with 100% recommended N were significantly higher by 15.8%, 5.2% and 11.2%, respectively, than conventional furrow/flood irrigation (CT-FI) system. System irrigation water savings (~ 55%) and the mean WPi were higher in maize, wheat, and MWS under the SDI than CT-FI system. There was saving of 25% of fertilizer N in maize and MWS whereas no saving of N was observed in wheat. Net returns from MWS were significantly higher (USD 265) under SDI with 100% N (with no subsidy) than CT-FI system despite with higher cost of production. The net returns were increased by 47% when considering a subsidy of 80% on laying SDI system. Our results showed a great potential of complementing CA with SDI and N management to maximize productivity, NUE, and WPi, which may be economically beneficial and environmentally sound in MWS in Trans-IGP of South Asia.

Subsurface Drip Irrigation Nitrogen Management Irrigation Water Productivity Water Savings CIENCIAS AGROPECUARIAS Y BIOTECNOLOGÍA IRRIGATION WATER NITROGEN-USE EFFICIENCY CONSERVATION AGRICULTURE MAIZE WHEAT