Effect of liming and fertilization of an acid sandy soil (Phangnga series) on soil micronutrients and mineral nutrition of soybean and sunflower

abonos acid soils amendement calcique analyse de sol chaulage encalado engrais enmiendas calizas fertilizers gestion du sol glycine max helianthus annuus liming liming materials manejo del suelo mineral nutrients nutrientes minerales oligoelementos perfil del suelo profil du sol rendement rendimiento sandy soils soil management soil profiles soil testing soil types sol acide sol sableux suelo arenoso tipos de suelos trace elements type de sol yields