Bibliographic citations
La, B., (1985). Efecto de sistemas de cultivos sobre la escorrentia, erosión y pérdida de nutrientes en un entisol de la selva alta - CAP José Santos Atahualpa - San Ramón - Chanchamayo [Tesis, Universidad Nacional Agraria La Molina]. https://hdl.handle.net/20.500.12996/1813
La, B., Efecto de sistemas de cultivos sobre la escorrentia, erosión y pérdida de nutrientes en un entisol de la selva alta - CAP José Santos Atahualpa - San Ramón - Chanchamayo [Tesis]. : Universidad Nacional Agraria La Molina; 1985. https://hdl.handle.net/20.500.12996/1813
@mastersthesis{renati/243875,
title = "Efecto de sistemas de cultivos sobre la escorrentia, erosión y pérdida de nutrientes en un entisol de la selva alta - CAP José Santos Atahualpa - San Ramón - Chanchamayo",
author = "La Torre Martínez, Braulio",
publisher = "Universidad Nacional Agraria La Molina",
year = "1985"
}
The effect of different crop systems on soil water and nutrient losses on runoff water plots was studied over the hydric erosion in an Entisol of the High Central Jungle of Peru; San Ramon, Chanchamayo during two continues years cropping (1978-79 and 1979-80). The research work was carried out on a declivity with 20% of slope and 800 meter over the sea level. The treatment on studied were; Bare Soil; maize-bean-potato-peanut-cassava rotation with and without fertilization; the above mentioned rotation plus “mulch“ and fertilization; rotation of two systems; maize-potato interplanting and manihot-bean intercopping in two different planting dates. 1978-1979 agricultural period a 1636 mm of precipitation was registered distributed mainly between October to May. Which determined highest losses of the soil on the bare soil treatment with a 45.3 ton/ha and the lowest losses corresponding to the treatment including “mulch“ and fertilization with 3.8 ton/ha. In 1979-80 agricultural period a 1484.2 mm of precipitation was recorded. Highest soil losses corresponded to the fertilizated treatment with 70.4 ton/ha and the lowest with 12.1 ton/ha corresponded to the treatment including “mulch“. Rawstrows or residues of plant crops applied as “mulch“ are an adequate measured on soil conservation, they reduced the erosion in 9 times during 1978-79 crop period and in 6 times over the 1979-80 period, comparing the same cropping rotation without applying this cultural practices.
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