-
Benefits, Implementation Methods and Technical Points of Soil Testing and Formulated Fertilization for Crops
For crop growth, when the soil nutrients are insufficient, artificial fertilization is indispensable. So what is soil testing and formulated fertilization? How is it carried out? What benefits does it have? What techniques are involved? It is reported that soil testing and formulated fertilization is based on soil testing and fertilizer field trials, and according to crop nutrient requirements, soil nutrient supply capacity and fertilizer effects, on the basis of rational application of organic fertilizers, it proposes the application amounts, application periods and application methods of nitrogen, phosphorus, potassium and medium and trace element fertilizers.
-
How is soil testing and formulated fertilization carried out for rice cultivation?
I. Technology Introduction Based on the fertilizer requirement characteristics of major crops and formulated fertilization technology, soil testing and formulated fertilization mainly follows three principles: first, combining organic fertilizer with inorganic fertilizer; second, combining macro, secondary and trace elements; third, combining land use with land maintenance, with input and output in balance.
-
Key Technical Points for Soil Testing and Formulated Fertilization in Sweet Potato Cultivation
1. Fertilizer requirements: Of the three major elements nitrogen, phosphorus and potassium, sweet potato has the greatest demand for potassium, followed by nitrogen, then phosphorus. Sweet potato likes potassium, and increasing potassium fertilizer has a clear effect on both yield and quality. Sweet potato absorbs few nutrients at the seedling stage; from the branching and tuber-setting stage to the vigorous stem and leaf growth
-
How to do soil testing and formulated fertilization for tea planting
In tea fertilization, our province commonly has problems such as insufficient organic fertilizer use and an unreasonable ratio of nitrogen, phosphorus and potassium application. Soil testing and formulated fertilization for tea should, on the basis of adhering to the combination of organic and inorganic fertilizers, control the total amount of nitrogen fertilizer, especially control the amount of nitrogen fertilizer applied later, improve
条件筛选