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Water Hyacinth Tag

26 Oct

Posted at 09:07h in Miscellaneous
Hiralal Jana 25 views

जलकुंभी: कृषि के लिए एक गंभीर खतरा Water hyacinth (Eichhornia crassipes) is a free floating perennial aquatic plant, native to South America.  Water hyacinth is a popular water garden plant because of the beauty of its large, purple to violet flowers and its interesting floating vegetation. Many plant nurseries and big box stores sell it as an ornamental pond plant. Later it was seen that the plant is basically a very aggressive invader which can form thick mats on water surface. Gradually, it is known that among the aquatic plants, water hyacinth is the worst aquatic plant in the world. It becomes a fierce competition with other micro flora and fauna in the aquatic ecosystem for light, space, nutrients and water. Now, water hyacinth is the most predominant, persistent and troublesome weed in India. Water hyacinth (Eichhornia crassipes) is a perennial aquatic macrophyte belongs to the family Pontederiaceae and its name Eichhornia was derived from well known Prussian politician J.A. F. Eichhornia.  Identification of Water hyacinth Following are the points by which it is possible to identify the plant. A mass of fine roots hang in the water underneath the plant. The leaf stalk is thick and spongy and helps to keep the plant buoyant. They are floating plants with round to oval; shiny green leaves up to ten...

09 Oct

Posted at 04:46h in Soil & Fertilizers
K.Jeevika 16 views

मृदा पोषण में तरल जैवि‍क खाद की भूमिका Manures are organic materials with plant nutrients in small concentrations. Organic manures are the main source of replenishing soil fertility. Organic farming is an internationally regulated legally enforced and standardized alternative paradigm relies on ecological processes, biodiversity for sustaining the health of soil. Solid organic fertilizer, cattle manure and green manure are the most nutritive organic fertilizers with an average nitrogen (N) content of 1.5%. Now a days Liquid Organic Manure has largely remained in background of bio-dynamic farming. The plant can absorb nutrients about 20 times fast through the leaves than applied through the soil. Therefore, liquid manures are helpful to overcome temporary nutrient shortages. In organic farming it is mainly used to stimulate growth during the season when nutrient uptake through the roots is hindered. Liquid manure is from farmyard manure or plant material (plant teas or slurry). Nutrient rich material is soaked in water for several days or weeks to undergo fermentation. Frequent stirring encourages microbial activity in liquid manures. The resulting liquid can either be used as a foliar fertilizer or applied to the soil. Types of Liquid Organic Manures 1. Panchagavya In India traditional liquid fertilizer called Panchagavya, a manure tea made by fermenting cow dung, cow urine, milk, curd and ghee in water  have a modest NPK...