12Site Selection and Preparation Grapes require full sunlight.Adequate drainage and moistureThe best soils are loams or sandy loams with added organic matter.Grapes grow best in soil with a pH range of 5.5 to 6.5.Rows should usually run north to south. This allows the plants gather the most sunlight and less wind damage will occur.
13Continue>>plowing to 25 cm and providing organic matter in soil ,by turning under a cover crop or green manure. Grapes are set in either fall or spring. If in spring, plant early to give plants long growing season. Fall planting is unwise in northern regions
14Planting till the soil well to get rid of weeds and grasses.. Grapes need the summer heat to develop and willproduce the best grapesTempreture:Plant damage occurs at - 18°C; frost kills young shoots. Daily mean temperature should be at least 18°
15Flowering and pollination . The flowers are unisexual all species of Vitis are normally dioecious but under domestication, variants with perfect flowers appear to have been selected . . The flowers are hermaphroditic and most are self-pollinated but cross-pollination also accur
17PruningIf the vine is left unpruned, the number of grape clusters would be excessive. The vine would be unable to ripen the large crop or give adequate vegetative growth. The purpose of pruning is to grow yields of high quality grapesand to allow better growth for the followingseason. has a direct relationship to larger yields and more uniform production.
19Harvesting and Picking After 3 or 4 years each vine will produce pounds of grapesWait until they separate easy from the seeds to pick.Guides to proper stage of ripeness are: taste , color, aroma, changing of stem from green to brown