Israeli scientists are developing crops which will grow to maturity with minimal water supplies. So far they have managed to grow commercial quantities of two cactus varieties. They say their work ...

This is a preview. Log in through your library . Abstract Five species of columnar cacti were examined with the aim of introducing new orchard crops to the Negev desert of Israel. The species ...

When you think of cactus, do you imagine harsh, sun-baked vistas with triple-digit temperatures in the shade -- except there isn't any shade? Well, delete that dreary picture, because plenty of ...