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Redistribuição de sedimentos em encostas por meio do C total e do isótopo 13C
(Universidade Federal de Santa Maria, 2017-07-17)
High intensity of rains, associated with inadequate management in agricultural areas, have been caused loss of large volumes of soil by erosion, leading the sediments and nutrients to the hydric sources. The loss of sediments ...
Dinâmica do fósforo em solo muito argiloso sob diferentes preparos de solo e culturas de inverno
(Universidade Federal de Santa Maria, 2011-02-28)
The cultivation of plants with different skills of acquisition and absorption of phosphorus (P) under different tillage systems for a long period of time can alter the cycling and distribution of P forms in soil. The aim ...