nebulous amount and i think depends on which country you are in. in uk, a cup is half of an imperial pint. i cannot find a 'metric cup' defined anywhere with authority, and your amounts specified above make it exactly half a litre - (that's a very large cup). this entire issue is further complicated by...
summer heat is necessary to mature the crop. the fruit is closely monitored to be picked at the optimal time. a constant supply of water, increased shortly before harvest, is necessary and a drip irrigation system is ideal. row middles are moved regularly during the growing season. fruit is harvested by...
go early -many crops, especially strawberries and blueberries, ripen daily, and get picked out by late morning. so go as early as the farm opens for best selection and easiest picking. going early also avoids the hot sun and heat!...