Water requirements of major vegetables

Leon F. M. Water requirements of major vegetables.

Research Institute of Irrigation and Drainage, Havana, Cuba, 1998.

In Cuba are grown around 20 species of vegetables of them tomatoes, peppers, onions and garlic have a greater economic importance, mainly due to the consumption habits of our population. At the Horticultural Experimental Station “Liliana Dimitrova” in Havana and in the Experimental Station of Irrigation of Bayamo, the water requirement of tomato, peppers, onions and garlic crops was studied.

It was found that the tomato has a water requirement from 1932 to 2871 m3/ha, using 10 to 12 irrigation, with an actual evapotranspiration from 244 to 305 mm for the western region of the country and from 1100 to 1274 m3/ha, 6 to 7 irrigation and from 240 to 290 mm respectively to the east region.
Pepper has a water requirement of 2850 to 3320 m3/ha, to employ 14 to 15 irrigation, with an actual evapotranspiration from 350 to 450 mm for the western region.

The onion in the western region requires a water demand of 2800 to 3200 m3/ha, to perform 17 to 18 irrigation, with an actual evapotranspiration from 340 to 400 mm.
The garlic in the western region requires a water demand of 2400 to 2700 m3/ha, to employ 14 to 15 irrigation, with an actual evapotranspiration from 300 to 380 mm.
Maximum Evapotranspiration in the western region of the country was: 305 to 380 mm for the tomato; from 400 to 500 mm for the pepper; from 400 to 480 mm for the onion and 330 to 400 mm for garlic.

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