Economic Efficiency in Cultivation of Perrenial Grassland Leguminous for Seed Production

摘要

To study economic efficiency in the cultivation of perrenial grassland leguminous for seed production in spring 2005 we have initiated studies regarding the optimization of technological factors (fertilization, planting distance between rows, sowing norm, sowing time, harvest time, how to prepare the bed germinative) to Medicago sativa Satellite variety, Trifolium pratense Select 1 variety, Onobrychis vicifolia Splendid variety and Lotus corniculatus Alina variety, experiments were seeded in three repetitions with harvested plot size of 10m square. Data from the process charts for the years of study (2005 and 2006) were those obtained using optimal productions: hay in year 1 and year 2 of cutting, straw production and seed production for each species that were studied, but prices for materials and farming were those used in the usual practice in agriculture. After laborious studies conducted field and laboratory as well as the calculations was obtained a greater economic efficiency if the species of vegetation cultivated for seed production was red clover and in the worst for trefoil in the first two years, but was obtained a good economic efficiency in case of lucerne and sainfoin cultivars.