Growing Tomatoes
Posted: March 27th, 2012, 6:02 pm
Climate
Tomatoes grow best under moderate temperatures. Fruit setting is poor when average temperatures exceed 32°C or fall below 10°C. Tomatoes cannot withstand frost. Frost can damage or destroy your tomato plants. Humidity is an important factor. Humidity levels higher than 60% will increase disease problems.
Planting Site
Tomatoes like a nice warm area in full sun, and need at more than 6 hours of sunlight a day, or they get spindly and produce little mature fruit. Optimum soil pH for tomato is 6.0 to 7.0
Season
Due to varying climatic conditions, there is a wide range of sowing seasons for tomato in Pakistan.
Early crop
Sowing: July-August
Transplant: after four or five weeks
First harvest: 60-70 days after transplant
Fall sowing
Sowing: September
Transplant: after four or five weeks
First harvest: 60-70 days after transplant
Note: This season is not for those areas where frost occurs in December.
Summer crop
Sowing: December, January
Transplant: after five or six weeks
First harvest: 50-60 days after transplant
Growing media for seedlings is a mix of farm yard manure, soil and sand with the ratio of 1:1:1. Cover your seeds with transparent polythene sheet till germination. The seeds will germinate in 7-14 days.
Transplanting

Indeterminate varieties are best for containers.
Moneymaker (Container Variety)
Indeterminate, Maturity 80 days, Red round-shaped. Does well under humid conditions
Rio Grande (Fall sowing variety)
Maturity 75 days, Determinate, Disease Resistant
Roma VF (Early season & spring sowing variety)
Maturity 75 days, determinate, Plant height 4 feet, Red Plum shaped
Tropic (Early season & spring sowing variety)
80 days, Indeterminate, Highly recommended for those areas that are hot and humid and prone to disease.
Tomatoes grow best under moderate temperatures. Fruit setting is poor when average temperatures exceed 32°C or fall below 10°C. Tomatoes cannot withstand frost. Frost can damage or destroy your tomato plants. Humidity is an important factor. Humidity levels higher than 60% will increase disease problems.
Planting Site
Tomatoes like a nice warm area in full sun, and need at more than 6 hours of sunlight a day, or they get spindly and produce little mature fruit. Optimum soil pH for tomato is 6.0 to 7.0
Season
Due to varying climatic conditions, there is a wide range of sowing seasons for tomato in Pakistan.
Early crop
Sowing: July-August
Transplant: after four or five weeks
First harvest: 60-70 days after transplant
Fall sowing
Sowing: September
Transplant: after four or five weeks
First harvest: 60-70 days after transplant
Note: This season is not for those areas where frost occurs in December.
Summer crop
Sowing: December, January
Transplant: after five or six weeks
First harvest: 50-60 days after transplant
Note: In frost occurring areas protect your seedling from frost with the help of plastic sheet covering & transplant after no danger of frost.
Keeping in mind the climate for tomatoes, you can plan your own season for example in Karachi tomatoes can be sown in October, November & Feb, March which will give you fruit in those months when there is shortage of tomatoes. The best planning for home gardeners in Karachi is to start from July & prepare some seedlings of tomatoes each month till March, which will give you a long & continuous supply of tomatoes.
Growing SeedlingsKeeping in mind the climate for tomatoes, you can plan your own season for example in Karachi tomatoes can be sown in October, November & Feb, March which will give you fruit in those months when there is shortage of tomatoes. The best planning for home gardeners in Karachi is to start from July & prepare some seedlings of tomatoes each month till March, which will give you a long & continuous supply of tomatoes.
Growing media for seedlings is a mix of farm yard manure, soil and sand with the ratio of 1:1:1. Cover your seeds with transparent polythene sheet till germination. The seeds will germinate in 7-14 days.
Transplanting

The seedlings should be hardened to withstand the out-door conditions with as little shock as possible. The hardening may be accomplished by lessening water supply. The process may require 7 to 10 days. Transplant four or five week old seedlings on the both sides of 36 inch wide & 4 to 6 inch high beds with a distance of 24 to 30 inch on the rows & 18 inch b/w plants. Transplant seedlings in the evening.
Watering
The first watering is given immediately after transplanting.Afterwards subsequent irrigation at an interval of 7-8 days is recommended. The irrigation interval can be decreased from 5-6 days when weather is too hot. Irrigation water should be given with care so that beds should not be submerged into water.
Fertilizing
A high-nitrogen fertilizer will help the plant start off well, but as soon as the plant is off to a good start, the best fertilizer ratio is low on nitrogen, medium phosphorous and high on potassium.
Harvesting
Harvesting tomatoes at the right time means you get fantastic flavor. Fully-ripened fruit tastes much better than fruit picked early.
Tomato Plant Types
Determinate tomatoes bear their crop all at once, while indeterminate tomatoes bear fruit over the course of a season. Indeterminate varieties tend to grow longer vines and will require more support in terms of staking or caging over the course of a season. Determinate varieties often tend to be more compact and manageable.
credit: http://organicgardening.about.com/od/ve ... aq.htm)
Recommended varieties for Pakistancredit: http://organicgardening.about.com/od/ve ... aq.htm)
Indeterminate varieties are best for containers.
Moneymaker (Container Variety)
Indeterminate, Maturity 80 days, Red round-shaped. Does well under humid conditions
Rio Grande (Fall sowing variety)
Maturity 75 days, Determinate, Disease Resistant
Roma VF (Early season & spring sowing variety)
Maturity 75 days, determinate, Plant height 4 feet, Red Plum shaped
Tropic (Early season & spring sowing variety)
80 days, Indeterminate, Highly recommended for those areas that are hot and humid and prone to disease.