Why spend agrochemical soil survey
The problem of agrochemical soil survey:
How often to do agrochemical soil survey
Chemical processes in the soil are constantly, especially after each agrochemical activities, when the speed and complexity of the chemistry has grown significantly, so agrochemical examination of soil is recommended on all types of agricultural land each year. And, after collecting predshestvennika- full analysis, and in the spring - check. To ensure the quality agrochemical inspection must correctly select the soil sample in the field.
The content of nutrients in plant tissues
It is necessary to determine with greater regularity as compared with the ground - the use of a chemical plant diagnosis data depends efficiency foliar application. Foliar feeding is carried out in several stages during the growing season, they agree with the content of both the batteries in the plant tissues and physiological phases of organogenesis culture. The deficit of the battery can also be influenced by external factors, namely:
The presence of at least one of these factors is the basis for an additional plant diagnostics.