H-W Produce Supply

An Authorized Dealer for:

GSR Calcium and PhosRite

Calcium and Clean Available Phophorous are

Two of the Most Important Nutrients for Photosynthesis

 Phos Rite-The King of Phosphorous

Due to the inefficiency and low quality fo phosphates available to the agriculture sector, Phos Rite was established by GSR Calcium the world leaders in calcium technology. GSR Calcium went in search of the purest form of phosphates and ended their search in the human grade industry. The human grade industry only made sense and Phos Rite was created. Phos Rite now exists with its unique and difersifies sources of top quality phosphates. Phos Rite is a low salt, low sodium, low chloride highly available phosphorous.

Lab Services

Why Calcium...

Proper levels of calcium within the plant strengthen the whole plant and allow for efficient use of sunlight, carbon dioxide, water, nitrogen and mineral nutrients. Calcium makes nutrients available to the plant for higher energy and plays a major role in plant physiology by strengthening physical structure and helping in protection from disease attacks. Calcium also plays a vital part in the construction of numerous hormones and enzyme systems that protect the plant.

Calcium is a very heavy mineral and migrates down into the soil while exhibiting very little lateral movement. It is found in many of the primary or secondary minerals in the soil but in this state is relatively insoluble and unavailable to be absorbed by plant roots. Calcium is used extensively for plant growth and historically has been very difficult to return to the soil.

Photosynthesis means, “making things with light”. Plants use energy from the sun to change sunlight, minerals, carbon dioxide and water into starches and sugars. These starches and sugars are the plants’ food. The link between high sugar levels and inherent pest and disease resistance has been conclusively established but without the necessary building blocks a plant cannot make enough sugar to protect itself. The primary building blocks for a plant to make sugar are calcium, phosphorus and potassium. Three parts calcium to one part phosphorus and six parts calcium to one part potassium are essential ingredients to enable a plant to manufacture sugar through photosynthesis. Healthy plants always have a higher sugar content.

It is well known among organic growers that a brix reading of 13% or more will prevent bacterial and fungal infestations and is very beneficial for plants’ insect resistance. Insects cannot digest high sugar fiber because they lack a pancreas and sugar will turn to alcohol in their bodies and kill them. It is also known that plants with low sugar content will never grow to their genetic potential; they’ll be low in minerals, vitamins, amino acids and will have poor general nutrition. Low sugar plants lose some of their ability to draw nitrogen and nutrients moisture from the air and are not as resistant to drought and disease.

Elevated salt levels are indication of a calcium deficiency. Many chemicals and fertilizers typically contain salts as carriers or preservatives and without calcium these salts can build up in the soil. Calcium lowers salts by combining with the sodium ion and allowing the chloride to liberate and go away harmlessly. Beneficial bacteria do not like salt and have difficulty living in a saline environment. Without a healthy population of beneficial bacteria organic matter will oxidize rather than be absorbed back into the earth. The carbon in the organic matter does not get converted into sugar so the sugar content of the soil decreases and the sugar content of plants grown in that soil will also decrease. Low sugar soils and plants give off high infrared, which is visible up to eight miles by plant feeding insects.

Please contact Jim Patterson at

1-419-736-2117

for additional information and prices