Our network of Straights producers

We have developed a unique network of European Straights producers to provide you the best and widest range of Water Soluble Straights.

Combining a wide range with high quality

Working in partnerships is in the DNA of Van Iperen International. As of the start of our company we have deep rooted relationships with several European production partners. Together we offer you the complete range of high quality WS Straights for fertigation and foliar application. From Calcium Nitrate to Potassium Sulphate, from Magnesium Nitrate to Monoammonium Phosphate and from Potassium Nitrate to Magnesium Sulphate. Their production know-how and capacity combined with our market approach and global distribution network creates a unique synergy.

Packed in one single brand

Examples of our Straights smart packaging

In addition to delivering high quality products, we also care about the packaging. We offer a complete range of top quality Straights packed under one single brand, enabling you to differentiate in the market. All Straights come in the same packaging style, with superior quality foil and strong sealing. With each product group having its own color, it makes them easy to store and use.

Straights in the spotlight

Potassium Sulphate (SOP) Horticultural Grade

Van Iperen Potassium Sulphate (SOP) Horticultural Grade is a highly pure Potassium fertilizer, which dissolves rapidly and completely. Our product is not sensitive to caking and is recommended during fruit or tuber development and up until maturation, and during coloring of fruits. The high level of Potassium in our formula plays an essential role in achieving higher quality yields.

Calcium Nitrate Agricultural Grade

Van Iperen Calcium Nitrate Agricultural Grade is a granulated, hard and homogeneous Calcium fertilizer. Our product has a limited caking tendency and is recommended from early spring until fruit set and fruit development. This high Calcium fertilizer improves the strength of the cell walls during active cell division phases. The presence of Nitrate has a positive effect on the absorption of Calcium by the plant.

Calcium Nitrate 51% Liquid

Van Iperen Calcium Nitrate 51% Liquid is a pure and highly concentrated liquid Calcium fertilizer, free of Ammonium which makes it ideal for soilless cultivation. Our product is a transparent, stable solution and is recommended as of early spring until fruit setting and during fruit development. The high level of Calcium improves the strength of cell walls. The presence of Nitrogen has a positive effect on the uptake of Calcium in the plant.

CalZinc Horticultural Grade

Van Iperen CalZinc Horticultural Grade is a derivative of Calcium Nitrate and Zinc nitrate fertilizer, which dissolves quickly and completely. Our product is not prone to caking and is recommended from early spring until fruit set. The high levels of Calcium and Zinc in our formula improve cell wall strength and the growth of new, healthy roots, vigorous shoots and flower buds. The presence of nitrogen has a positive effect on the absorption of Calcium by the plant.