EFEKTIVITAS TEKNIK KONSERVASI LAHAN DALAM MENEKAN EROSI DAN PENYAKIT LINCAT

Djajadi, Mastur, Gembong Dalmadiyo, A. S. Murdiyati
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Abstract

Penelitian dilaksanakan di Desa Glapansari, Kecamatan Parakan, Kabupaten Temanggung pada bulan Maret sampai Desember tahun 2001 untuk mcngcvaluasi pengaruh penerapan teknik konservasi lahan dalam pengendalian erosi dan penyakit lincat terhadap erosi, sifat fisik tanah, populasi patogen, kematian tanaman, serta hasil tembakau. Perlakuan yang diuji adalah teknik pengendalian erosi yang meliputi penanaman rumput Setaria pada bibir teras dan tanaman Elemingia congesta pada bidang tampingan, seta pembuatan rorak di dasar saluran teras dan pengolahan tanah minimum. Perlakuan tersebut dikombinasikan dengan teknologi pengendalian penyakit lincat, yaitu penanaman galur tembakau tahan (BC3-C51) dan pembcian/penyemprotan mikrobia antagonis Aspergillus fumigatus dan Bacillus cereus. Rancangan yang digunakan adalah rancangan acak kelompok dengan dua perlakuan (konservasi dan kontrol) dan enam ulangan. Setiap satuan percobaan tersusun atas petak berukuran 22 m x 4 m dan masing-masing dipasang satu unit bak penampung erosi. Hasil penelitian menunjukkan bahwa penerapan teknik konservasi dapat menekan besanya erosi dari 30.2 ton/ha menjadi 16.7 ton/ha atau turun 44.8 %. Kombinasi teknik pengendalian penyakit lincat dapat menekan perkembangan patogen lincat dan mengurangi kematian tanaman tembakau sebesar 53.6%. Hasil daun tembakau basah dan rajangan kering pada perlakuan konservasi masing-masing 41.7% dan 42.1% dibanding kontrol.Kata kunci: Tembakau, Nicotiana tabacum, tembakau temanggung. konservasi tanah, erosi, patogen tanah ABSTRACTEffectiveness of land conservation technique in reducing soil erosion and lincat plant diseasesField trial was conducted in Glapansari Village, Parakan, Temang¬ gung District from March to December 2001 to evaluate the effect of land conservation by controlling soil erosion and plant disease on soil erosion, soil physical characteristics, soil pathogens population, dead tobacco plant, and tobacco yield. The treatments were soil conservation technique by planting of Setaria grass on Ihe terrace edge and planting Elemingia congesta on the riser, and digging of sediment trap on the base of terrace ditch. The treatments were planting tobacco line (BC3-C51) tolerant to lincat disease combined with the application of antagonistic microbes (Aspergillus fumigatus and Bacillus cereus). The research used complete randomized block design with two treatments and six replications. Each expeimental units composed of plot sized 22 m x 4 m and soil erosion collector. Results showed that the land conservation technique reduced soil erosion rom 30.2 to 16.7 tones/ha or 44.8%. This technique reduced soil pathogen population and dead tobacco plant 53.6%. The land conservation technique increased signiicantly tobacco fresh leaves yield 41.7% and dried sliced tobacco yield 42.1 % compared to that of control.Key words: Tobacco, Nicotiana tabacum, temanggung tobacco, soil conservation, erosion, soil pathogen
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土壤保护技术在抑制侵蚀和疾病方面的有效性
这项研究于2001年3月至12月在Temanggung区的Glapansari村、街道街道、paranda区进行了评估,以评估土壤保护技术对侵蚀控制、土壤性质、病原体种群、植物死亡和烟草产品的影响。测试的治疗方法是一种控制侵蚀的技术,包括在门廊的嘴唇上种植咽喉草,在屏风区种植咽喉草,在至少的梯田底部制造出rorak。这种治疗方法与耐药烟草种植(BC3-C51)和消炎药微生物消炎药和杆菌小茴香。使用的方案是由两种治疗(保护和控制)和六种重复的群体随机设计。每个实验单元都有一个22米乘4米的网格,每个单元安装了一个侵蚀槽。研究表明,应用保护技术可以将其侵蚀从30吨/ha增加到16.7吨/ha,或者下降44.8%。链接疾病控制技术的组合可以抑制任何病原体的发展,并将烟草植物的死亡人数减少53.6%。由湿烟叶和干草叶所产生的保护措施分别为41.7%和42.1%。关键词:烟草,尼古丁tabacum,烟草。保护土壤侵蚀,病原体ABSTRACTEffectiveness of conservation技巧在reducing土地的土地erosion and lincat普兰diseasesField审判was conducted在Glapansari村、Parakan安静¬gung区效应》2001年12月从三月到to evaluate条控制的土地erosion偏土地保护和植物疾病上的土地erosion,土地的体格characteristics,土地pathogens人口,死烟草植物和烟草公司收益。采集器是用片状包装包装的技术,设计在边缘的片状装饰和倾斜的垫圈上,并在平台的底部挖出一个临时陷阱。治疗方法是针对烟草的(BC3-C51),可与有害微生物的应用(曲霉菌和杆菌小脑)结合。研究人员用两种treatments和六种复制品完成了分块设计。每一个曝光单位都暴露在22米x4米和soil色情收集器中。建议取消土地保护技术32.2到16.7色调/ha或44.8%。这款技术减少了人类病原体和死亡烟草植物53.6%。土地保护技术增加了对新鲜烟草的理解,有41.7%的限制,加上42.1%的限制。烟话:烟草,尼古丁tabacum,烟草生意,保护,腐蚀,soil pathogen
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