Farmland Irrigation Water Testing

1. Introduction to Farmland Irrigation Water Testing

Agricultural irrigation water refers to water bodies that meet the water quality requirements for agricultural production and forestry cultivation. Testing the water quality of farmland irrigation water aims to understand its condition, improve the agricultural environmental quality of irrigation areas, and ensure the food safety of agricultural products.

2. Classification of Irrigation Water

Based on the water requirements of crops, irrigation water is mainly divided into three types: water crop irrigation water, dry crop irrigation water, and vegetable irrigation water.

3. Testing Items

Water temperature, pH value, chemical oxygen demand (COD), suspended solids, anionic surfactants, Kjeldahl nitrogen, total phosphorus, chlorides, sulfides, total salt content, total mercury, total cadmium, total arsenic, chromium (hexavalent), total lead, total copper, total zinc, total selenium, fluorides, petroleum, volatile phenols, benzene, fecal coliforms, etc.

4. Relevant Standards

"Standards for Irrigation Water Quality" GB5084-2021