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Macronutrient accumulation and decomposition of brachiaria species as a function of nitrogen fertilization during and after intercropping with corn

Nídia Raquel Costa, Marcelo Andreotti, Salatiér Buzetti, Keny Samejima Mascarenhas Lopes, Fernanda Garcia dos Santos, Cristiano Magalhães Pariz

01/Aug/2014

In regions with a tropical climate, the greatest limitations for straw maintenance on the soil surface are difficulties on its establishment and high rates of decomposition. With the aim of identifying the productive potential of Xaraes and Ruziziensis grasses, as well as subsequent straw formation for continuity of the no-tillage system, the following factors were evaluated: the dry matter yield, the lignin/total N ratio, macronutrient accumulation, and straw decomposition in two growing seasons. The treatments consisted of two Brachiaria species […]