| Nutrient management for rice | Nutrient management | Most soils provide only limited amount of nutrients to the crop, therefore fertilizers need to be applied to increase grain yield. In some cases fertilizers are also added to improve the soils physical condition. | nutrient management for rice, essential plant nutrients, nutrients from soil, nutrients form air and water, efficient fertilizer use |
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| Essential nutrients for rice | Nutrient management | There are 16 essential elements needed for rice production. These may be supplied by the soil or added in the form of chemical or organic fertilizer. If any of these nutrients are in short supply the plant will not reach its yield potential. | essential nutrients for rice, macro nutrients, micro nutrients, nutrients in soil, chemical fertilizer, organic fertilizer, importance of nutrients |
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| Copper deficiency | Nutrient management | Copper (Cu) deficiency affects the metabolic processes of rice plants, specifically photosynthesis and respiration. It can lead to reduced pollen viability and increase in spikelet sterility, thus developing many unfilled grains. | copper deficiency management, rice plant nutrients, copper deficiency symptoms, Cu deficient soil |
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| Calcium deficiency | Nutrient management | Calcium (Ca) deficiency impairs root function and predisposes plant to iron toxicity. It causes stunting and death of growing points. | reasons of calcuim deficiency in rice, Ca deficiency symptoms, management practices for Ca deficiency, how to confirm Ca deficiency in plant |
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| Boron toxicity | Nutrient management | Boron (B) toxicity inhibits the formation of starch from sugars and affects the formation of B-carbohydrate complexes. | boron toxicity in rice, B toxicity symptoms, how to identify B toxicity, management practices for B toxicity |
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| Boron deficiency | Nutrient management | Boron (B) deficiency affects cell wall biosynthesis and the structure and plasma membrane integrity. It leads to reduction in plant height, death of growing points, and white discoloration and rolling of leaf tips. | boron deficiency in rice, boron deficient soil types, how to identify and manage B deficiency, symptoms of B deficiency |
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| Aluminium toxicity | Nutrient management | "Aluminum toxicity in soil inhibits the growth of plant shoots by causing nutrient deficiencies in Magnesium, Calcium, and Phosphorus. It can also lead to drought stress and plant hormone imbalance. " | aluminum toxicity in rice, aluminium toxic soil types, symptoms of aluminium toxicity, management practices for aluminium toxicity |
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| Alkalinity | Nutrient management | Alkalinity impairs plant growth by restricting water supply to the roots, thus obstructing root development. It results to phosphorus and zinc deficiencies, and possibly iron deficiency and boron toxicity. | alkalinity problem in rice, abiotic stresses of rice, effets of alkalinity on plant growth, alkaline soils |
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| Azolla | Nutrient management | Azolla is a freshwater water fern that lives in ponds, lakes, swamps, and streams in both tropical and sub-tropical conditions. | nutrient management, azolla in rice, how to manage azolla, green manure |
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| Rice husk furnace for grain dryer | Mechanization | Rice husk is cheap and lowers drying cost, thus making mechanical drying competitive. As a waste of the rice milling process, the cost of acquiring rice husk is practically its transportation cost to the dryer. | rice husk furnace for grain dryer, types of husk furnace, components of rice husk furnace, inverted draft automatic furnace |
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