文档介绍：Wine Grapes Irrigation & Fertigation
Advantages of Drip Irrigation: Logo: The Drip System Irrigates the Vine, Not the Soil.
Best Control of the water & fertilizers amount.
Very high efficiency.
Improved Unity in the Vineyard.
The Application of Water & Fertilization is According to Needs and Timing Required by the Vine.
An Everyday Application is a mon.
6. No Stress at the End of the irrigation cycle, Less Water & Fertilizers Leaching, and Better Aeration.
Less Salt problems.
Less weeds Problems.
Less Energy Consumption (parison to Sprinklers System).
It’s Easy to Irrigate in Steep Hills.
Maintenance Requires Less Work then Furrows.
Drip System Limitations:
Drip irrigation is a technological progress which enable the grower to bring the vine to it’s potential - meaning, higher yields & quality, and hence - higher profits.
1. Filtration is a must.
2. In Hot Regions, It’s better to have a frequent access to water.
3. Crop cover in between the rows, and incorporation anic matter are limited.
1St tenth
2nd -”-
3rd -”-
June
July
May
August
Pan Evaporation Coefficients for Wine Grapes
Evaporation data, Crop Coefficients and Irrigation Scheduling
June
May
April
Month
March
July
August
Evaporation
(mm/day)
Crop factor
Irrigation rate (mm/day)
1-2 7
2 7
6
Interval
14
1 2
2
50-100 60
60 63
72
Amount (cubic m/Ha)
70
60 68
68
Table Grapes in hot region
Wine Grapes
Factors in water rate consideration
Destination of the Grapes: Table, Wine or Raisins.
The specific Variety Characters and it’s harvest date.
The trellis system.
The level of the yield.
Weed coverage.
The ponents
The Number of Vines per unit area.
The Number of Shoots per vine.
The Number of Clusters per Shoot.
The Number of Berries per Cluster.
The Berry Weight.
Ber