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PS#5 - cover crops in ETo zone 15 for a typical year with...

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Roman Ferro BRAE 331 PS #5 1. True or false. If a crop has a high crop coefficient for a particular growth stage, the ET will be the highest during that growth stage. True. From the equation Etc = Etr x Kc, if Kc is larger, the ET of the crop at the particular part of growth stage will be higher (assuming ETr remains constant). 2. Develop a well-labeled table of monthly Kc values for ETo Zone 15 of the San Joaquin Valley- using data for drip irrigation for a typical year. a. Kc = Etc/Eto 3. Draw a graph of cumulative ET vs date for a deciduous orchard (almonds) without
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Unformatted text preview: cover crops in ETo zone 15, for a typical year with undertree sprinklers. Then indicate dates to irrigate if a 40% MAD is used. Assume the soil is at field capacity on April 1, with no rain after that date. Assume clay loam soil w/ and AWHC of 2.0”/ft. Assume walnuts have a 3 foot root zone April May June July August September October November Dece mber Almonds 4.06 6.24 6.44 6.73 5.52 4.1 1.89 0.76 1.01 Irr./month 1.69 2.60 2.68 2.80 2.30 1.71 0.79 0.32 0.42 Roman Ferro BRAE 331...
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