Responses of processing tomato to water regime and fertilization in Central Italy

被引：23

作者：

Colla, G ^{[1
]}

Casa, R ^{[1
]}

Lo Cascio, B ^{[1
]}

Saccardo, F ^{[1
]}

Temperini, O ^{[1
]}

Leoni, C ^{[1
]}

机构：

[1] Univ Tuscia, Dipartimento Prod Vegetale, I-01100 Viterbo, Italy

来源：

SIXTH INTERNATIONAL ISHS SYMPOSIUM ON THE PROCESSING TOMATO - WORKSHOP ON IRRIGATION AND FERTIGATION OF PROCESSING TOMATO | 1999年 / 487期

关键词：

drip irrigation; fruit quality; growth period; fruit set; water deficit;

D O I：

10.17660/ActaHortic.1999.487.88

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

In a study carried out at Viterbo, 9 drip irrigation treatments and 3 fertilization treatments were compared in a split-plot experiment. Water deficits were imposed by reducing irrigation volumes to 50% or 75% of crop evapotranspiration in 2 growth periods: before or after fruit set. Irrigation deficit in the 1(st) growth period reduced the number of flowers leading to a decrease in the number of fruits and in the marketable yield. Water deficits improved the quality of fruits increasing soluble solids and acidity. Reducing irrigation by 25% before fruit set and by as much as 50% in the fruit development and ripening stages resulted in no significant decrease of soluble solid yield. Fertilization affected mainly plane vegetative growth, increasing LAI and biomass.

引用

页码：531 / 535

页数：5