AGRITECH, Vol. 36, No. 1, Februari 2016
STUDI POLA PERTUMBUHAN TANAMAN SAWI (Brassica rapa var. parachinensis L.) HIDROPONIK DI DALAM GREENHOUSE TERKONTROL 3ODQW*URZWK3DWWHUQ6WXG\RI+\GURSRQLFV0XVWDUG Brassica Rapa Var. Parachinensis L.) LQ7KH&RQWUROOHG*UHHQKRXVH Mareli Telaumbanua1, Bambang Purwantana1, Lilik Sutiarso1, Mohammad Affan Fajar Falah2 -XUXVDQ7HNQLN3HUWDQLDQ)DNXOWDV7HNQRORJL3HUWDQLDQ8QLYHUVLWDV*DGMDK0DGD -O)ORUD1R%XODNVXPXU
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AGRITECH, Vol. 36, No. 1, Februari 2016
PENDAHULUAN 7DQDPDQ XQWXN SDQJDQ KDUXV GDSDW GLEXGLGD\DNDQ GHQJDQ RSWLPDO GLPDQDSXQ ORNDVL GDQ PHGLDQ\D 'DODP KDO LQL VLVWHP KLGURSRQLN PHUXSDNDQ DOWHUQDWLI \DQJ EDLN karena menggunakan media air, sehingga konsentrasi nutrisi relatif, distribusi nutrisi, lebih mudah dikontrol SDGD PDVD EXGLGD\D /RNDVL EXGLGD\D \DQJ GLSLOLK DGDODK UXPDK WDQDPDQ greenhouse NDUHQD UXPDK WDQDPDQ GDSDW PHOLQGXQJLWDQDPDQGDULSHQJDUXKEXUXNIDNWRUOXDUVHSHUWL DQJLQ NHQFDQJ KXMDQ GHUDV KDPD GDQ ODLQ VHEDJDLQ\D Pengendalian iklim mikro di dalam rumah tanaman relatif OHELK PXGDK XQWXN DSOLNDVLNDQ 3HUDZDWDQ LQWHQVLI GDSDW GLODNXNDQDJDUNHJDJDODQSDQHQDNLEDWLNOLP\DQJWLGDNVWDELO GDSDWGLPLQLPDONDQ 6DZL KLMDX Brassica rappa var. parachinensis L.) WHUJRORQJ VD\XUDQ \DQJ EDQ\DN GLNRQVXPVL ROHK SHQGXGXN ,QGRQHVLD5DVDQ\D\DQJPDQLVGDSDWGLMDGLNDQPDQLVDQGDQ PHPLOLNLNDQGXQJDQJL]L\DQJWLQJJLPHUXSDNDQNHOHELKDQQ\D 1DPXQ GHPLNLDQ VD\XUDQ VDZL SHND WHUKDGDS SHUXEDKDQ OLQJNXQJDQ \DQJ WLGDN VHVXDL GHQJDQ SHUWXPEXKDQQ\D +DO LQLGLWXQMXNNDQODQJVXQJROHKSHUXEDKDQ¿VLNSDGDWDQDPDQ VHSHUWLGDXQPHQMDGLOD\X 2SHQDGDQ7D\ 7DQDPDQ VDZL PHPEXWXKNDQ SHUODNXDQ NKXVXV VHSHUWL EXGLGD\D GL dalam greenhouse\DQJSHQJHQGDOLDQLNOLP\DQJVHVXDLXQWXN EXGLGD\DQ\DDJDUGLSHUROHKSDQHQ\DQJOHELKEDLN3HQHOLWLDQ LQLPHQJJXQDNDQREMHNVD\XUDQVDZLKLMDX Brassica rappa var. parachinensis/ GHQJDQSHQJDPDWDQNKXVXVSDGDOXDV NHVHOXUXKDQOXDVGDXQ+DVLOXWDPDWDQDPDQLQLDGDODKGDXQ \DQJGLMDGLNDQWLQJNDWSHUWXPEXKDQWDQDPDQ 'DODP EXGLGD\D GL greenhouse, tanaman sawi PHPEXWXKNDQ NHVHVXDLDQ LNOLP PLNUR EHUXSD FDKD\D VXKX GDQ QXWULVL DJDU SHUWXPEXKDQ WDQDPDQ VDZL GDSDW RSWLPDO Pertumbuhan tanaman sawi maksimal jika didukung dengan GHQJDQNRQGLVLLNOLP\DQJSDOLQJVHVXDL8QWXNPHQJHWDKXL SHQJDUXK SHUWXPEXKDQ VDZL WHUKDGDS NRQGLVL LNOLP \DQJ EHUEHGD GLSHUOXNDQ SHQHOLWLDQ WHQWDQJ LGHQWL¿NDVL SROD SHUWXPEXKDQWDQDPDQVDZLWHUKDGDSVXKXQXWULVLGDQFDKD\D \DQJEHUEHGD'HQJDQSHQHUDSDQWHNQRORJLRWRPDWLVDVLSDGD VLVWHP KLGURSRQLN GL GDODP greenhouse SURVHV EXGLGD\D GHQJDQEDQ\DNYDULDVLLNOLPPLNURGDSDWGLNHQGDOLNDQ 3ROD SHUWXPEXKDQ VHWLDS UXDQJDQ GHQJDQ SHUEHGDDQ LNOLP PLNUR GL GDODPQ\D PHQXQMXNDQ OXDV GDXQ \DQJ EHUEHGD +DO LQL GLEXNWLNDQ ROHK 1XUVKDQWL WHQWDQJ SHQJDUXK QXWULVL WHUKDGDS SHUWXPEXKDQ WDQDPDQ VDZL 6HODLQLWXLGHQWL¿NDVLWLQJNDWSHUWXPEXKDQWDQDPDQSHUQDK GLODNXNDQWHQWDQJLGHQWL¿NDVLSHUWXPEXKDQWDQDPDQNHGHODL Glycine max / GHQJDQ SHQJDUXK SHPEHULDQ NRPSRVLVL QXWULVLWDQDPDQ 6X\DQWRKDGLGNN Kandungan nutrisi XQWXN SHUNHPEDQJDQ OXDV GDXQ WLQJJL WDQDPDQ SDQMDQJ DNDUWDQDPDQ\DQJWHUEDLNDGDODKQXWULVL\DQJVHVXDLGHQJDQ
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105
AGRITECH, Vol. 36, No. 1, Februari 2016
Pelaksanaan Penelitian
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AGRITECH, Vol. 36, No. 1, Februari 2016
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107
AGRITECH, Vol. 36, No. 1, Februari 2016
PHQXQMXNNDQ SHUEHGDDQ DQWDUD PDVLQJPDVLQJ VXKX GDODP EXGLGD\DVDZLGHQJDQSUREDELOLWDV3HUEHGDDQWHUGDSDW SDGD VXKX & & GHQJDQ & VHGDQJNDQ NDQ & GHQJDQ&WLGDNWDPSDNEHGDQ\DWD3HUVDPDDQNXDGUDWLV GDODPWDEHOPHUXSDNDQSRODSHUWXPEXKDQWDQDPDQ Pengaruh Cahaya terhadap Pertumbuhan Tanaman Sawi di Greenhouse &DKD\D VDQJDW EHUPDQIDDW EDJL WXPEXKDQ NDUHQD SHUDQQ\D GDODP NHJLDWDQ ¿VLRORJLV VHSHUWL SHPEHQWXNDQ NUROR¿O UHVSLUDVL SHPEXNDDQ SHQXWXSDQ VWRPDWD SHUNHFDPEDKDQ GDQ SHUWXPEXKDQ WDQDPDQ 3HQ\LQDUDQ PDWDKDUL PHPSHQJDUXKL SHUWXPEXKDQ UHSURGXNVL GDQ KDVLO WDQDPDQPHODOXLSURVHVIRWRVLQWHVLV
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Pengaruh Nutrisi terhadap Pertumbuhan Tanaman Sawi di Greenhouse 1XWULVLPHUXSDNDQKDO\DQJSHQWLQJEDJLWDQDPDQ+DO ini berfungsi sebagai makanan bagi tanaman untuk diubah menjadi energi dan menambah massa tanaman selama masa KLGXSQ\D
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AGRITECH, Vol. 36, No. 1, Februari 2016
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