OBTAINING AND TESTING OF FERTILIZERS WITH ORGANIC SUBSTANCES

Due to legislation for environmental protection and the need to obtain products "cleaner" worldwide there is a major trend of development both the research and the production of fertilizers with organic substances with growth stimulating effect for use for intensive and organic agriculture (especially for protection of crops, and prevent and combat nutritional deficiencies).Approaching the concept of fertilizers containing substances of category biostimulators is a difficult task by the fact that describing the concept of biostimulants is far from being completely understood and legislation, research and experimentation are, regarding this category of products used in agriculture, at an early stage of development.This paper presents a range of NPK fertilizers with organic substances represented by protein hydrolysates and extracts from algae, with primary and secondary nutrients and physical and chemical characteristics of fertilizers obtained experimentally. These fertilizers were tested in the national network of testing of fertilizers in order of authorization for use in agriculture. It was observed that the combination of fertilizer is well assimilated by plants, with a synergistic effect of growth and protection against diseases and pests.If the application of these fertilizers were obtained yield increases between 25-30% for the tomato crop and 27 - 32.5% for the apple, as well as changes in photosynthesis process marked by increases of 30-37% of assimilating pigments

European Countries Step-up Humanitarian and Medical Assistance to Ukraine as the Conflict Continues

Copyright © 2022 by SAGE Publications Inc unless otherwise noted. Manuscript content on this site is licensed under Creative Commons LicensesOn the 24th of February 2022, the Russian Federation began an unprovoked invasion of Ukraine, marking the biggest military attack in Europe since the second world war. Over 4 million people have fled their homeland within the first month of the war and have triggered a large refugee crisis with impacts far beyond the Ukrainian border. People in the neighboring countries have shown tremendous support by stepping forward to donate food, clothes, medications, money, and other essential supplies. The governments and other regional stakeholders have also been supportive in accommodating and easing regulations for the incoming refugees. Herein, we summarize the humanitarian measures and medical donations that have been made by European countries as they stepped up their efforts to provide refugees with all necessary basic services. We further highlight potential oncoming challenges in Ukraine and the host countries along with relevant solutions to these challenges. The current scenario highlights the need for multi-party and multi-level collaborations (both public and private) to tackle the emerging situation.publishersversionPeer reviewe

Fertilizers with humic substances: development and characterization of new products

Fertilizers with humic substances can be used on different types of soil, as well as in technologies for improving degraded or contaminated soils and they proved effective on a wide range of cultures. Due to the variety of sources from which they can be obtained, there are many types of fertilizers containing natural biostimulating substances. This paper presents the development of a rage of complex NPK liquid fertilizers with humic substances, meso and micronutrients. The extraction processes, the humic substances separation, and the organo-mineral fertilizers technology were conducted regarding the physicochemical properties of the humic and fulvic acids in the alkaline/acidic reaction media, as well as their stability in the NPK, meso and micronutrients matrix. Two of the experimental fertilizers are physicochemically characterized and their agrochemical efficiency is shown by the results obtained in the National Fertilizers Testing Network. In the case of soil incorporation of the experimental fertilizers, the average yield increases, as compared to the unfertilized control, were ranging from 37.8% for sunflower crop to 42.3% for sugar beet cro