Tomato belongs to the Solanaceae family. Its industrial use is mainly for paste, juice, sauces and canned peeled tomatoes.
It is an annual plant. Growth stages of plants, in very general terms, can be split into four periods: Establishment from planting or seeding during vegetative growth until first flower appears, from first flowering to first fruit set, from fruit ripening to first harvest, and from first harvest to the end of the last harvest. The duration of each stage may vary according to growing method, variety characteristics and climatic conditions.
Climate: Temperature is the primary factor influencing all stages of development of the plant: vegetative growth, flowering, fruit setting and fruit ripening. It adapts to a great variety of climates. It does not tolerate frost: at temperatures below 12ºC, the vegetative activity is paralyzed. The optimum temperatures for growth are from 18º to the 27ºC. Outside this range the production can be seriously affected.
Soil: Tomatoes can be grown on soils with a wide range of textures, from light, sandy soils to heavy, clay soils. Sandy soils are preferable if early harvest is desired.
pH: The optimum level is is between 6.0 – 6.5, tolerating up to 5.5
The main market requirements for processing tomato are a strong red colour, uniformity and free from defects such as cracking and impact blows.
While most phosphorus is required early on, nitrogen's peak requirement is just before flowering.
Most calcium needs are from flowering through fruit development and up to harvest.
Water soluble NPK fertilizers: 5 5 Brochure
Foliar fertilization is the fastest and most effective method to supplement and enrich plant nutrition and to correct nutritional deficiencies when needed. This contributes significantly to higher and better quality productions.
Determine safe foliar application rate:
To verify the safe rate under local conditions, it is advisable to spray recommended rate on a few plants. After 3-4 days check the tested plants for scorching symptoms.
Grogreen Calciphos: 2-5 kg/ha from Preplant stage
Zinc E-15: 1-2 kg/ha from Vegetative Growth stage
Manganese E-13: 1-2 kg/ha from Vegetative Growth stage
Grogreen Ca/B: 4-5 kg/ha applied starting from Fruit ripening stage
proteKt-K50: 2 l/ha starting from Vegetative Growth stage