Click on the image to view more details Amaravathi Dam Bhavanisagar Dam Periyar Dam Vagai Dam Krishnagiri Dam Manimuthar Dam Mettur Dam Sathanur Dam Papanasam Dam Aliyar Dam Details of Storage Capacity and Opening of Major Reservoirs of Tamil Nadu Reservoir Ar

Home | Seasons & Varieties | Tillage | Nutrient Mgmnt | Irrigation Mgmnt | Weed Mgmnt | Crop Protection | Cost of Cultivation | Photobank Soil India Water Tamil Nadu

This centre is in operation in the Department of Soil Science and Agricultural Chemistry, Centre for Soil and Crop Management Studies, TNAU, Coimbatore.

Place Address Cuddalore Senior Agricultural Officer Soil Testing Laboratory Sugarcane Research Station Campus Semandalam, Cuddalore – 607 001 Kanchipuram Senior Agricultural Officer STL Panchupettai Kanchipuram -631 502 Vellore Senior Agricultural Officer Soil

To avoid indiscriminate use of fertilizer and to ensure environmental safety. When crops are harvested, a considerable amount of nutrients are removed from the soil system. Only a part of it is replaced in the form of manures from crop residues. This practice

Nutrient pH Low Medium High Organic carbon < 0.5 % 0.5 - 7.5% > 0.75% Available nitrogen ( N) < 240Kg/ha 240- 480kg/ha > 480Kg/ha Available Phosphorus (P) < 11.0 Kg/ha 11 – 22 Kg/ha > 22 Kg/ha Available potassium ( K) < 110Kg/ha 110-280Kg/ha > 280Kg/ha Soil Ty

What is Soil Health Card? The soil health card evaluates the health or quality of a soil as a function of its characteristics, water, plant and other biological properties. The card is a tool to help the farmer to monitor and improve soil health based on their

Soil sampling, processing and storage Soil sampling Principle Soil testing is an essential component of soil resource management. Each sample collected must be a true representative of the area being sampled. Utility of the results obtained from the laboratory

Soil is the natural and a vital resource for growing food, fibre and firewood to meet the human needs. The soils are highly vulnerable to degradation and nature takes very long period (say 300 – 1000 years) to form an inch of the top soil mainly due to the com

Source: www.india.gov.in/citizen/agriculture/soil_fertility.php

With a piece of string, attach a clean weight to the sampling bottle.

Chief Water Analyst TWAD Board, No. 31, Kamarajar Salai, Chepauk, Chennai - 600 005. Ph: (044) 28412098. E-Mail: twadboard@dataone.in

This centre is in operation in the Department of Soil Science and Agricultural Chemistry, Centre for Soil and Crop Management Studies, TNAU, Coimbatore.

12.Water helps in the chemical, physical and biological reaction in soil.

After flows in streams / gullies are being diverted into adjoining lands by creating small embankments / bunds across the streams. Such diverted water may be pumped or taken by natural gravity so that the excess runoff will fall back in to the same stream afte

Role of Water in Plant Growth Source and Necessity of Irrigation Irrigation Sources of India Irrigation Sources of Tamil Nadu Major Resorvoirs in Tamil Nadu WRO - Citizen's Charter Water Sampling - Procedure Water Testing Service - TNAU Water Testing Service -

Casuarina , Prosopis juliflora, Acacia nilotica, Terminalia arjuna, Butea monosperma, Eucalyptus, Achres sapota and Glyricidia

Application of Untreated Distillery Effluent (Spentwash) for the Reclamation of Sodic Soils

Alternate analytical technology(AAT) for soil nutrient analysis through image processing of chromatogram(A project supported by Department of science and technology,)

Soil Soil - An Introduction Soil Groups of Tamil Nadu Soil Types of Different Agroclimatic Zones Characteristics of Fertile Soils Soil Testing Alternate analytical technology (AAT) for soil Soil Testing- Need Soil Sampling Procedure Soil Testing Laboratories i

A constraint free soil environment is very important for achieving higher food production. The major soil constraints affecting the crop production in Tamil Nadu are

Soil amendment includes all inorganic and organic substances mixed into the soil for achieving better soil constitution regarding plant productivity. There are different substances for different soils and plants to optimize the soil conditions. A very common a

The crop is irrigated from 30-35 days onwards, utilizing water impounded in the tanks. Irrigation depth will be 2.5 -5.0cm only. Follow the schedule of one day after disappearance of ponded water in order to save water and to bring additional area under this t

IW/CPE ratio of 1.0 with 3 cm depth of water – total water requirement of 650 mm.

During first one week just wet the soil by thin film of water. Depth of irrigation may be increased to 2.5cm progressively along the crop age. Afterwards follow the schedule as given to transplanted rice. During first one week just wet the soil by thin film of