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<br />. <br /> <br />. <br /> <br />Results from soi I probing and from atmometer readings wi II aid in <br /> <br />schedul ing irrigations as part of achieving IWM. <br /> <br />2. The computer software (FURCAL> is used <br /> <br />(present) situation and on an after (proJected) <br /> <br />on a before <br /> <br />situation00 <br /> <br />recommend changes in IWM practices and to estimate changes In deep <br /> <br />percolation, runoff, and efficiency. <br /> <br />3. An Irrigation Water Management Information Sheet IS to be <br />fi lied out on all contracts, showing present conditions. <br /> <br />4. FIRI Worksheets are being fi lied out on all existing and <br /> <br />new contracts showing the present rating. <br /> <br />Each year, during the <br /> <br />status review, the FIRI Worksheet is being fi I led out to show the <br /> <br />new rating as improvements are being implemented. <br /> <br />G. ECONOMICS: <br /> <br />The reduct i on in sa I in i ty I eve I s ach i eved by treatment of <br /> <br />irrigated land causes economic effects on users of the land. <br /> <br />These <br /> <br />effects experienced by the landusers are an important determinant. <br /> <br />Therefore, estimation of on-farm economic effects is one aspect of <br /> <br />monitoring. Second, is to determine changes or impacts, in <br /> <br />monetary terms, from the implementation of the sal inity control <br /> <br />program measures on farm operations. <br /> <br />1. Conservati on Impact Worksheets (CIW) are be i ng fill ed out <br /> <br />on approximately 257. of al I contracts. <br /> <br />This wi I I enable us to <br /> <br />identify changes from without treatment to with treatment. <br /> <br />7 <br /> <br />~-'"'955 <br />