DAR ES SALAAM, Feb. 16 -- ON matters connected with weather trends, we can safely declare that times have truly changed, without the remotest fear of contradiction.

There is ample evidence to that end, indeed, for in the fairly distant past, agricultural seasons followed particular patterns.

On a virtually unbroken chain, the time for planting and harvesting in relation to particular crops or plants was known, based on sets embracing some months being wet and dry seasons, as well as those of moderate ones inbetween.

Come the curse of climate change, substantial guesswork, as well as reliance on good luck, have come into play.

Due to hostile weather, farmers suffer considerable losses when rains on which they count to soften the soil and...