?url_ver=Z39.88-2004&rft_id=1414071001&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+DEFISIT+EVAPOTRANSPIRASI+PADA+FASE+PENGISIAN+POLONG+TERHADAP+PRODUKSI+TANAMAN+KEDELAI+(Glycine+max+%5BL%5D+Merr.)&rft.creator=+ABI+WIJAYA+ANGGA+PRAHATMA+%2C+1414071001&rft.subject=Budidaya+tanaman&rft.description=Kedelai+merupakan+salah+satu+komoditi+pangan+utama+yang+hingga+saat+ini+produksinya+belum+mencapai+target+dan+harus+ditutupi+dengan+melakukan+impor.+Dalam+upaya+peningkatan+produksi+kedelai+nasional%2C+salah+satu+upaya+yang+dilakukan+adalah+melakukan+perluasan+areal+dan+pengelolaan+lahan.+Salah+satu+permasalahan+yang+terjadi+yaitu+terbatasnya+suplai+air%2C+mengingat+peranan+air+digunakan+seluruhnya+untuk+proses+evapotranspirasi+tanaman.+Irigasi+defisit+merupakan+teknik+pemberian+air+irigasi+dimana+diberikan+pada+saat+tanaman+membutuhkannya.+Pengaruh+kekurangan+air+yang+paling+besar+yaitu+pada+saat+fase+pengisian+polong+tanaman.+Untuk+itu%2C+penelitian+ini+dilakukan+untuk+mengetahui+pengaruh+tersebut.%0D%0APenelitian+ini+bertujuan+untuk+mengetahui+pengaruh+perlakuan+berbagai+tingkat+defisit+evapotranspirasi+(ETc)+terhadap+produksi+tanaman+kedelai+dan+mengetahui+produktivitas+air+tanaman+yang+optimum+untuk+tanaman+kedelai.+Penelitian+dilaksanakan+di+dalam+rumah+plastik%2C+Laboratorium+Lapang+Terpadu%2C+Fakultas+Pertanian%2C+Universitas+Lampung+pada+bulan+September+sampai+bulan+Desember%0D%0A2017.+Penelitian+ini+mengunakan+Rangkaian+Acak+Lengkap+(RAL)+dengan+empat+taraf+perlakuan+defisit+ETc+(DE)%2C+yaitu+1.0+x+ETc+(DE1)%3B+0.8+x+ETc+(DE2)%3B+0.6+x+ETc+(DE3)%3B+0.4+x+ETc+(DE4)+dan+0%2C2+x+ETc+(DE5)+Setiap+perlakuan+menggunakan+4+kali+ulangan.%0D%0AHasil+penelitian+menunjukan+bahwa+perlakuan+defisit+evapotranspirasi+(ETc)+pada+fase+pengisian+polong+berpengaruh+terhadap+produksi+dan+produktivitas+air+tanaman+kedelai.+Hasil+produksi+tertinggi+dicapai+oleh+perlakuan+DE1+1%2C0+x+ETc+dengan+rata-rata+produksi+berupa+biji+kering+sebesar+21%2C02+gram.+Produktivitas+penggunaan+air+tertinggi+dicapai+oleh+perlakuan+DE1+1%2C0+x+ETc+dengan+rata-rata+nilai+sebesar+0%2C63+gr%2FL.%0D%0AKata+Kunci+%3A+defisit+evapotranspirasi%2C+fase+pengisian+polong%2C+kedelai%2C+dan+produktivitas+air.%0D%0A%0D%0Aabstract%0D%0A%0D%0ASoybean+is+one+of+the+main+food+commodities+which+until+now+has+not+reached+the+target+and+must+be+covered+by+importing.+In+an+effort+to+increase+national+production+of+soybean%2C+one+of+the+efforts+made+is+to+extend+the+area+and+land+management.+One+of+the+problems+that+happens+is+the+limited+supply+of+water%2C+given+the+role+of+water+is+used+entirely+for+the+evapotranspiration+of+plants.+Deficit+irrigation+is+a+technique+of+providing+irrigation+water+which+is+given+when+the+plants+need+it.+The+biggest+effect+of+water+shortage+is+when+its+occurs+during+the+filling+phase+of+pods.+For+this+purpose%2C+this+research+is+conducted+to+investigated+the+effect.+This+study+aims+to+observe+the+effects+of+treatment+of+various+levels+of+evapotranspiration+deficit+(ETc)+on+soybean+crop+yields+and+to+determinane+the+optimum+plant+water+productivity+for+soybean.+The+research+was+conducted+in+a+plastic+house%2C+Integrated+Field+Laboratory%2C+Faculty+of+Agriculture%2C+University+of+Lampung%2C+from+September+to+December+2017.+This+study+used+Randomized%0D%0Acomplete+block+(RCB)+with+four+levels+of+ETc+deficit+(DE)%2C+1.0+x+ETc+(DE1)%3B+0.8+x+ETc+(DE2)%3B+0.6+x+ETc+(DE3)%3B+0.4+x+ETc+(DE4)+and+0%2C2+x+ETc+(DE5).+Each+level+used+four+replicates.+The+results+showed+that+the+treatment+of+evapotranspiration+deficit+(ETc)+in+pod+filling+phase+had+an+effect+on+the+yield+and+water+productivity+of+soybean.+The+highest+yield+was+achieved+by+the+treatment+of+DE1+1.0+x+ETc+with+the+average+production+in+dry+seeds+of+21.02+grams+The+highest+water+productivity+was+also+achieved+by+the+treatment+of+DE1+with+an+average+of+0.63+gr+%2F+L.+Keywords%3A+evapotranspiration+deficit%2C+pod+filling+phase%2C+soybean%2C+and+water+productivity&rft.publisher=FAKULTAS+PERTANIAN+&rft.date=2018-04-16&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31346%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31346%2F9%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31346%2F10%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=+++ABI+WIJAYA+ANGGA+PRAHATMA+%2C+1414071001++(2018)+PENGARUH+DEFISIT+EVAPOTRANSPIRASI+PADA+FASE+PENGISIAN+POLONG+TERHADAP+PRODUKSI+TANAMAN+KEDELAI+(Glycine+max+%5BL%5D+Merr.).++FAKULTAS+PERTANIAN+%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F31346%2F