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A large number of Indian Standard (IS) codes are available that are meant for virtually every aspect of civil engineering one can think of. During one's professional life one normally uses only a handful of them depending on the nature of work they are involved in. Civil engineers engaged in construction activities of large projects usually have to refer to a good number of IS codes as such ...
The first MPR nozzles, the MP Rotator, were produced by Nelson Irrigation in 2003, and acquired by Hunter Industries in 2007. [4] [5] [6] Since then the popularity of these highly uniform yet low application sprinklers has caused every major sprinkler manufacturer to produce their own version of an MPR sprinkler, including Rain Bird [7] and Toro.
The Kothari family reigned over Sagardighi from the time of Mir Qasim until the abolishment of the Zamindari system after the independence of India. The last ruling Zamindar of Sagardighi and the surrounding areas of Ratanpur was Bimal Singh Kothari. His family/descendants continue to live in Calcutta (now Kolkata).
Irrigation scheduling is the process used by irrigation system managers to determine the correct frequency and duration of watering. The following factors may be taken into consideration: Precipitation rate of the irrigation equipment – how quickly the water is applied, often expressed in inches or mm per hour.
NDVI is functionally and linearly equivalent to the ratio NIR / (NIR+VIS), which ranges from 0 to 1 and is thus never negative nor limitless in range. [6] But the most important concept in the understanding of the NDVI algebraic formula is that, despite its name, it is a transformation of a spectral ratio (NIR/VIS), and it has no functional ...
The old Sardar canal project in the state of Gujarat, India, was designed with an irrigation intensity of 32%, but at the upstream part the delivery was at an intensity of 42% (i.e. 131% of the design norm) and at the downstream end it was only 19% (i.e. 59% of the norm), although the project aimed at protective irrigation with equal rights for ...
Minor irrigation project is a classification of irrigation projects used in India. A project with a designed to irrigate an area of 2000 hectares or less is classified as a minor irrigation [ 37 ] [ 38 ] [ 39 ] Before the Fifth Five-Year Plan , irrigation schemes were classified on the basis of investments needed to implement the scheme. [ 37 ]
The non-limiting water range (NLWR) represents the range of water content in the soil where limitations to plant growth (such as water potential, air-filled porosity, or soil strength) are minimal. John Letey (1985) from UC Riverside introduced the NLWR concept in an attempt to integrate several physical properties associated with plant or root ...