Topic · 220 articles
Chemical composition of soils and plants, nutrient cycling, properties of fertilizers and their interaction with soil. Methods of agrochemical survey, interpretation of analyses, and development of fertilization systems based on them.
9 min read For students
To obtain reliable data on yield increase and fertilizer efficiency, it is necessary to strictly follow the methodology of field experimentation. The article discusses the key rules for setting up experiments that ensure their practical value for production.
86 min read For students
The article describes the stages of preparation for scientific research in agrochemistry: from choosing a topic and formulating a hypothesis to developing a program and structure for a field experiment. The material will help to systematize the approach to establishing experiments and selecting methodological elements
8 min read For students
Soil agrochemical survey is the foundation for calculating the cost-effectiveness of mineral fertilizer application. The article discusses the rules for preparing for field work, methods for dividing plots into grids, and the procedure for collecting samples to obtain reliable analytical data.
5 min read For students
The Student's t-test is used to analyze the reliability of agricultural experiment results. The article describes the calculation algorithm and the practical application of the method for comparing biometric indicators of cultivars depending on fertilizer application
3 min read For students
The article discusses a methodology for evaluating the effectiveness of mineral fertilizers in field experiments. Learn how to confirm the statistical significance of the rice yield increase using analysis of variance and the LSD (Least Significant Difference) test
4 min read For students
The article discusses the requirements for organizing a two-factor field experiment and the rules for statistical processing of rice yield data. Examples of yield matrices and calculations of variance analysis for assessing the influence of agrotechnical factors are provided
