How can precision nutrient management techniques, such as site-specific nutrient application and remote sensing technologies, help optimize fertilizer use efficiency, reduce environmental pollution, and enhance farmers' income in diverse cropping systems?
The most probable effect of precision nutrient management techniques, as example of variable application rates of fertilizers can be expected in two ways: 1) by reduction of fertilizer dose in areas of lower potential productivity - i. e. cost reduction; 2) by increase of yields in areas of high potential productivity - i. e. increase of economic incomes. Be aware that this effects may not always justify increased costs needed for use of precision agriculture techniques, at least at short-term calculation.
Soil health is deteriorating day by day in order to meet the demand of food,fodder, Fibre, feed and fuel for increasing population.improving fertilizer use efficiency is a challenge for sustainable food grain production.Farming systems should be more sustainable to reach economical and social profitability as well as for environmental conservation.
Precise management of nutrient addition requires knowledge about the soil fertility status at the site, the crop rotation, and the type of crops to be grown, in addition to the presence of a smart and precise irrigation method. Accordingly, a sound strategy can be developed in terms of selecting the type of mineral, organic, and biological fertilizers to achieve integrated fertilization management and linking them to the plant's life stages, as well as choosing the appropriate doses and time for addition in the appropriate manner.
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