(Decanter) - As harvest gets underway in Spain, observers are predicting a reduction in quantity, while prices for bulk wine are already substantially higher than last year.The harvest began in mid-August with white varieties in the hotter south, including La Mancha and Andalucía. In the north, February frosts delayed budding, and drought conditions (compounded by a very dry winter) throughout much of Spain have seen a reduction in quantity predicted to be down 15-20% compared with 2011.