Effect of compaction and organic compost application on corn biomass and macronutrient contents in soil

Revista Brasileira de Engenharia Agrícola e Ambiental

Rodrigues, Pedro N. F.³  Bezerra Neto, Egidio²  Oliveira, Veronildo S.²  Costa, Raimundo N. T.¹  Pedrosa, Elvira M. R.²  Rolim, Mário M.² 

[1] UFC;UFRPE;Escola Agrotécnica de Iguatu, Iguatu

关键词: residue use;    fertilization;    soil density;    Zea mays    INTRODUÇÃO Nas centrais de abastecimento a comercialização de produtos agrícolas resulta em um resíduo de natureza orgânica oriundo das perdas e do processamento primário dos alimentos;   

DOI  :  10.1590/S1415-43662011000800004

学科分类：农业科学（综合）

来源: Universidade Federal de Campina Grande * Centro de Ciencias e Tecnologia

【 摘 要 】

When well utilized, organic residues lead to great benefits making organic matter and nutrients available in soils. In this context, the present study had the objective to evaluate the effect of organic compost doses on two soils submitted to different compactions and on corn biomass. Thus, in 54 pots were added three doses 0, 40 or 80 g dm-3 of organic compost in a Dark Red Argisoil or Red Yellowish Argisoil, collected from the Ap horizon (depth of 0 to 0.20 m), submitted to three compaction degrees (1.3, 1.5 and 1.7 kg dm-3), with three replications. The crop used in the experiment was corn (Zea mays), cultivar Itapuã 700. The plant growth, and content of N, P, K, Ca, Mg and organic carbon (TOC) in soil were evaluated. The results point out that the organic compost application significantly affected soil OC and macronutrients, but little effect was induced by the soil compaction on these variables.

【 授权许可】

CC BY-NC