Polycarpi

Polycarpi
Polycarpi
Polycarpi
Polycarpi

General information

A stable variety with high fruit production.
Variety with small, black seeds (weight of 1000 seeds at 340-350 grams).
Sown using typical seeders.
Sown in Winter and is early and productive.
Great cold resistance and satisfactory resistance to sclerotinia.
Its yield is about 200 kg/sq.km.
As far as soil is concerned, it adapts to a wide variety of types, from the poorest to the most fertile.
However, they grow better on relatively heavy loamy calcareous soils that retain rainwater but with good drainage.
They are sensitive to acidic elements but more resistant compared to other legumes.
Excessive rainfall during the winter is not desirable, due to a higher risk of general sclerotinia attacks.
Also, a very warm and dry Spring restricts the growth of plants and is accompanied by an outbreak of black aphids that can significantly reduce yield.
Winter varieties can withstand up to -15°C.


Cultivation Technique

1. Soil preparation

Plowing and harrowing before sowing are enough.

2. Fertilizing

As legumes, broad beans bind large amounts of nitrogen and, therefore, under normal conditions, they do not need nitrogen fertilizing.
However, when the beans are grown in fields where there are not many nitrogen-binding bacteria in their soil (as is the case with many fields that have been receiving single-grain crops for many years) and, because plants in the early stages of their development need a small presence of assimilable nitrogen and have not yet managed to develop enough colonies of bacteria at their roots, then at the early stages of their growth, the plants react to a small addition (2-3 units) of nitrogen.
It is usually recommended to fertilize only with phosphate.
As regards potassium, it is used in cases of poor potassium soils (sandy soil etc.).

3. Sowing season

Alternative sowing also for spring in cold regions of Northern and Western Greece.
The minimum germination temperature of the winter broad beans sprouts is around 3°C, and their young plants can withstand cold down to -6°C, while the hardy varieties (which have already stored carbohydrates) more than -10°C.
Thus, all winter-type broad beans are sown in autumn.
For Greece, the period between October 20 and November 10 is the most appropriate.

4. Seed quantity per square km

Small-seeded broad beans (fodder) with a weight of 1000 grains lower than 400 grams are sown in rows, and the amount of seed to be used is 13-15 kilos/sq.km.


Advantages

  • Their fruit yields are higher than the yields of other annual dry legumes.
  • Their fruit is excellent for animal husbandry, and is a feed with high levels of protein (30-35%).
  • It completely replaces soy in the ration. For dairy animals (cows, sheep, goats), using a mixture of 25 kg of broad beans and 75 kg of cereal (barley – wheat – maize) in one week, spectacularly increases milk production.
  • It is a dry plant that can grow and yield in a wide range of climatic and soil conditions.
  • Due to its high resistance to lodging, it is offered for fully mechanized cultivation at all stages, thus reducing production costs.
  • It increases the population of nitrogen-binding bacteria in the soil, enriching it with nitrogen. It is also suitable for green manuring.

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Polycarpi

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