Abstract
ABSTRACT The objective of this research was to evaluate the productive capacity of orchard grass alone and associated with perennial ryegrass and white clover sown at different proportions. Treatments consisted of the following associations and monoculture: 100-00-00, 70-20-10, 50-00-50, 40-40-20, 40-20-40, 20-70-10, 20-40-40, and 00-50-50% of orchard grass, perennial ryegrass, and white clover, respectively. The eight treatments were randomly distributed into 24 experimental plots of 9 × 8 m according to a completely randomized block design with three replicates. On [...]
Highlights
The new requirements that worldwide agricultural production faces point to the competitive increase of agricultural production, but it should be done in a sustainable manner
The objective of this research was to evaluate the productive capacity of orchard grass alone and associated with perennial ryegrass and white clover sown at different proportions
The legume has a better behaviour when it is associated with perennial ryegrass and worse with orchard grass
Summary
The new requirements that worldwide agricultural production faces point to the competitive increase of agricultural production, but it should be done in a sustainable manner. From the ecological point of view, legumes improve soil fertility by fixing atmospheric nitrogen, reducing the use of chemical fertilizers, as well as provide better light interception and seasonal distribution of biomass production (Camacho and García, 2003; Gonzales et al, 2004) In this regard, Cook et al (1990) and Rojas et al (2005) mentioned that, in the temperate region of Mexico, white clover may contain an average of 168 to 270 g of crude protein kg−1 DM and fix 57 to 232 kg of nitrogen ha−1 (Zanetti et al, 1999) and its association is preferred with grasses like perennial ryegrass and orchard grass
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