ECONOMIC ANALYSIS OF WINTER AND SUMMER CROPS IN MIXED PRODUCTION SYSTEMS UNDER NO-TILLAGE
Keywords:
costs, net return, crop rotation, field, winter and summer annual pastures.Abstract
- During five years, in Passo Fundo, RS, Brazil, the contribution of winter and summer crops to net
return in mixed production systems, under no-tillage, was assessed. Six production systems were evaluated:
system I (wheat/soybean, black oats + common vetch pasture/corn); system II (wheat/soybean, black oats +
common vetch + ryegrass pasture/corn); system III (wheat/soybean, black oats + common vetch pasture/pearl
millet pasture); system IV (wheat/soybean, black oats + common vetch + ryegrass pasture/pearl millet pasture),
system V (wheat/soybean, white oats/soybean, and black oats + common vetch pasture/pearl millet pasture); and
system VI (wheat/soybean, white oats/soybean, and black oats + common vetch + ryegrass pasture/pearl millet
pasture). Economic analysis is discussed in this paper. Treatments were replicated four times in a randomized
blocks design. Corn was superior to other crops studied for net return per hectare (R$ 551.00 ha-1). The systems I
(R$ 335.00 ha-1) and II (R$ 351.00 ha-1) had a higher net return. Stocker cattle enterprise supplemented the net return
of crop production.
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