How to look at "day" fertilization?
2020-01-04 12:05:36
1. Fertilization should be based on weather conditions Improper application may cause fertilizer damage or poor results. For example, application of ammonium bicarbonate and other volatile nitrogen fertilizers at noon will cause “ammonia harm†to the crops. Applying chemical fertilizers in the dry season does not combine watering, and fertilizer efficiency is difficult to exert. 2. In the production practice, the following should be noted: First, in early spring and low-temperature years, rice is prone to phosphorus deficiency and zinc deficiency. Attention should be paid to the use of phosphate fertilizer and zinc fertilizer. Second, under conditions of insufficient sunlight, potassium fertilizer should be added. , can increase crop photosynthesis; Third, in drought years, rape is prone to boron deficiency, Chinese cabbage, radish is prone to calcium deficiency, attention should be paid to the use of boron fertilizer and calcium fertilizer; Fourth, in the rainy season, it is easy to cause soil iron Loss of leaching, often iron deficiency in fruit trees, attention should be paid to the application of iron fertilizer
This product contains two packs of 100 pH strips, 200 strips in total. Each strip is made of premium grade litmus paper intended for universal application. To test the pH of a solution simply dip the pH strip into your solution and the strip will change color.With Ph Test Strips, you can test the pH value quickly and easily directly at the point of interest. The strips are ready to use at any time and don`t need any calibration, set-up or maintenance. Therefore, pH determination with pH-Fix test strips is very easy, regardless of your experience or chemical background.
Ph Test Paper,Ph Test Strips,Accuracy Ph Test Paper,Ph Paper 4.5-9.0
Changchun Medicon Technology Development Co., Ltd , https://www.jlmdk.com