Cultivo de algodoeiro colorido em solos salino-sódico sob adubação orgânica no segundo ciclo de produção.

Abstract

Salinity and / or sodicity soil is a limiting factor for agriculturas production. especially in arid and semi-arid regions of the world. Varying these sons recovery methods such as washing the salts, applying chemical and organic correctives, as well as the use of species tolerant to salta has been used. aimed to to research, evaluate the growth and yield of cv colored fiber coüon. BRS Topaz, the second post pruning cycle in sons with different percentages of exchangeable sodium (PST) and bovine manure. The experiment was conducted in a greenhouse of CCTA / UFCG. It used the randomized block design in a factorial 5 x 4, whose treatments consisted of ave leveis of PST(13.61 22.41 30.11 39.0 and 48.0%) and four leveis of manure Bovine(0, 5,. 10 and 15% in soil volume basis, with 3 repetitions The exchangeable sodium percentage ranging from 13.3 to 48.0% did not interfere with NF variables, AF after 31 DAP, EBF, NFP , CCP, and MPluma. was obtained most FSR PST with 20%. The use of manure is effective in hp cotton cultivation. BRS Topaz in saline-sodic sons.