ONION
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NAANDANJAIN A JAIN IRRIGATION COMPANY

BACKGROUND: • Onion is the most widely-used flavoring vegetable in the world. • Its origin is in the tropical center of Western Asia. • Onions come in three colors: yellow, red, and white. • The most popular onions are the yellow varieties, which account for almost 90% of the total onion production. GROWING CONDITIONS: • Varieties are divided according to the length of day required for bulb development: Short day varieties: 11-12 hours Intermediate day varieties: 12-14 hours Long day varieties: 14 hours or more • Common yields are: Short day varieties: 60-70 tons/ha Intermediate day...

FIELD PREPARATION: • Onion can be grown from both :seeds and transplants • Sowing is usually done on elevated beds 1.5-2 m wide. • Seeds are sown in double rows, with 4-6 rows per bed. • 800-900 thousand seeds per hectare will give 700-800 thousand plants (90-95% germination). FERTILIZATION: Onion reacts strongly to fertilization. It is recommended to apply 20-30 m3 compost per hectare during field preparation. It is recommended performing a soil analysis of the top 20 cm and supplementing necessary nutrients to minimum levels. The rest of the fertilizers should be applied via...

IRRIGATION: • Total water consumption depends on local conditions and varies from 400-1,000 mm per cycle. • After sowing, irrigation of 30-40 mm is required for germination, followed by light daily irrigation until seedling mergence. It is critical to keep the soil wet during this period. • Irrigation can be done according to local evaporation and the crop coefficient. Irrigation requirements = Kc x Daily evaporation NAANDANJAIN SOLUTIONS FOR ONION IRRIGATION: Irrigating onion is not an easy task and can be done with different methods, using different systems. When planning an irrigation...

IRRISTAND SYSTEM Irristand is a low-flow sprinkler system that simulates light rain. The IrriStand is based on a flexible in-and-out, solid-set PE system. It is specifically designed to successfully meet onion development requirements during all growth stages. AMIRIT SYSTEM Based on the IrriStand concept, the Amirit is a solidset system including 50 mm PE pipes with10–12 meter segments. Its main advantages are flexibility, portability and easy operation. 1/2’’ SPRINKLER RANGE FOR AMIRIT AND IRRISTAND Super10 Compact ball-driven, sealed mechanism for spacing up to 12 m. Available with flow...

DRIP IRRIGATION: This is a localized irrigation method characterized by high water use efficiency and minimum humidification of the foliage, thereby reducing susceptibility to foliar diseases. Dripline is located between each 2 rows of plants, allowing water to reach all the plants. Drippers are spaced 20–30 cm apart in order to provide a uniform wetted stripe. Common dripper flow rates are 1-2 l/h or 3-5 l/h/meter for drip tapes Chapin High-quality drip tape for seasonal use. TalDrip Thin &medium-walled dripline for maximum performance at minimum cost. TopDrip Pressure-compensating (PC)...

UCATION COMPANY SYSTEM COMPARISON TABLE

NaanDanJain is committed to finding the ideal solution for your onion crop, tailored to your local climatic conditions, soil and water properties and budget. Contact our office or your local dealer for further information. © 2014 NaanDanJain Ltd. All rights reserved. All specifications are subject to change without notice. All information should be used only as a guideline. For specific recommendations contact your local agronomist. NaanDanJain Irrigation Ltd. Post Naan 7682900, Israel. T:+972-8-9442180, F:+972-8-9442190 E: mkt@naandanjain.com www.naandanjain.com