000 01855nam a2200265#a 4500
001 vtls000000470
008 230822s2023 xx 000 0 eng d
040 _aJPS
041 _aeng
080 _a40 551.49
090 0 0 _aFAO 40 551.49 FAO
110 _aFAO.
_eissuing body
245 0 _aEffective Rainfall
260 _aRome :
_bFAO
_c[date of publication not identified]
300 _a62 p. ;
_bill :
_c28 cm
440 _aFAO IRRIGATION AND DRAINAGE PAPER NO.25
505 _aChapter1: Introduction. 1. Effective rainfall and its significance. 2 The pathway of rain water. 3. Concepts of effective rainfall. 4. Definition of effective rainfall. 5. Effectiveness of rainfall 6. Factors influences effective rainfall. Chapter2: Measurement of effective rainfall. 1. Components of effective rainfall and their measurement. 2. Empirical methods of determining effective rainfall. 3. Determining effective rainfall from formulae 4. Determining effective rainfall from formulae. 4. Evaluation of methods. Chapter3: Application of effective rainfall data in irrigation and drainage projects. 1. Irrigation project design. 2. Irrigation project operation. 3. Drainage projects. 4. Rice cultivation. 5. Effects of groundwater 6. Effective rainfall in urinated and low rainfall areas. Chapter4: Increasing the proportion or effective rainfall its effectiveness and further lines of work. 1. Increasing effective rainfall 2. Increasing the effectiveness of rainfall. 3. Further lines of work needed in the field of effective rainfall in agriculture.
546 _aIn English
650 1 0 _aRAINFALL.
650 2 0 _aIRRIGATION.
650 2 0 _aWATER.
942 _cMONO
990 _a1974
999 _a00254 00952
_a551.49 FAO
_aVIRTUA00
_aVTLSSORT0010*0030*0050*0080*0390*0410*0800*0900*1000*2450*2600*3000*4400*5050*5460*6500*6501*6502*9040*9490*9900*9994
_c398
_d398
003 JPS