Padi adalah sumber makanan pokok bangsa Indonesia. Umur bibit dan jumlah bibit per titik tanam merupakan faktor yang perlu dipertimbangkan untuk efisiensi budidaya padi. Penelitian ini bertujuan mengetahui pengaruh umur bibit dan jumlah bibit per titik tanam terhadap produksi padi sawah varietas Ciherang. Percobaan menggunakan rancangan acak kelompok dengan perlakuan berpola faktorial. Faktor umur bibit terdiri atas 2 taraf, yaitu umur 15 hari dan 20 hari, sedangkan faktor jumlah bibit per titik tanam terdiri atas 5 taraf, yaitu 1, 2, 3, 4, dan 5 bibit per titik tanam. Hasil penelitian menunjukkan bahwa secara umum produksi padi tidak dipengaruhi oleh umur bibit dan banyaknya bibit per titik tanam. Oleh sebab itu untuk efisiensi disarankan menggunakan bibit berumur 15 hari dengan satu bibit per titik tanam.KATA KUNCI: padi, umur bibit, jumlah bibit, produksi padiEFFECT OF AGE OF SEEDS AND NUMBER OF SEEDS PER POINT OF PLANTING ON THE GROWTH AND PRODUCTION OF RICE (Oryza sativa) CIHERANGABSTRACTRice is the staple food of Indonesia. Age of seeds and number of seeds per point of planting is one of the factors that need to be considered for rice cultivation efficiency. This study aims to determine the effect of age of seeds and the number of seeds per point of planting against Ciherang rice production. Experiments using a randomized block design with factorial treatment. The age of seedlings consists of two levels, namely the age of 15 days and 20 days after seedling, while the number of seeds per point of planting consists of 5 levels, namely 1, 2, 3, 4, and 5 seeds per point of planting. The results showed that the overall rice production was not affected by age of seeds and number of seeds per point of planting. Therefore, for the rice cultivation efficiency, it is suggested to use age of 15 days old seedlings with one seed per point of planting.
Antraknosa merupakan salah satu penyakit utama yang menyerang tanaman cabai merah (Capsicum annuum L.) sehingga dapat menurunkan produktivitas. Penggunaan fungisida nabati dan mikroorganisme dapat mengurangi persentase serangan antraknosa pada cabai merah tanpa menimbulkan dampak negatif terhadap lingkungan. Penelitian ini bertujuan yaitu untuk mengetahui potensi larutan daun mimba dan MOL bonggol pisang dengan dosis yang tepat dalam mengendalikan penyakit antraknosa serta meningkatkan pertumbuhan dan hasil pada tanaman cabai merah. Model penelitian yang digunakan yaitu Rancangan Acak Kelompok Faktorial yang terdiri atas dua faktor yaitu konsentrasi larutan daun mimba (0%, 15%, 30%, 45%) dan konsentrasi MOL bonggol pisang (0%, 15%, 30%, 45%). Hasil penelitian menunjukkan bahwa konsentrasi larutan daun mimba tidak memberikan pengaruh yang nyata terhadap semua peubah yang diamati. Konsentrasi larutan MOL bonggol pisang 45% berpengaruh nyata dalam meningkatkan tinggi tanaman, jumlah daun, jumlah cabang produktif dan bobot buah per tanaman dibandingkan dengan perlakuan kontrol, namun tidak berbeda nyata dibandingkan dengan konsentrasi 30%. Pada penelitian ini tidak terjadi serangan antraknosa terhadap semua tanaman yang diamati pada semua perlakuan, artinya persentase kejadian penyakit dan tingkat keparahan penyakit adalah 0%. Hal tersebut terjadi diduga karena faktor lingkungan yang tidak mendukung untuk perkembangan jamur Colletotrichum sp.Kata kunci: Capsicum annuum, Colletotrichum, mimba, bonggol pisang
Fertilizer administration is a way to increase the productivity of edamame plants. Synthetic fertilizer is commonly used in edamame cultivation today. However, excessive use of synthetic fertilizer could reduce soil fertility so that substitution of it with biofertilizer is needed. This study was aimed at assessing the effects of biofertilizer and synthetic fertilizer administration on the growth and production of edamame plants. A completely randomized design in a factorial pattern was used. The first factor was biofertilizer rates consisting of three levels namely no fertilizer (0% R), 5 ml/l (50% R), and 10 ml/l (100% R). synthetic fertilizer was given in five levels consisting of no fertilizer (0% R), 25% recommended rate (urea 37.5 kg/ha, SP-36 37.5 kg/ha, and KCl 25 kg/ha), 50% recommended rate (urea 75 kg/ha, SP-36 75 kg/ha, and KCl 50 kg/ha), 75% recommended rate (urea 112.5 kg/ha, SP-36 112.5 kg/ha, and KCl 75 kg/ha), and 100% recommended rate (urea 150 kg/ha, SP-36 150 kg/ha, and KCl 100 kg/ha).Results showed that plants given biofertilizer by 100% recommended rate had significantly higher height, number of leaves, and fresh and dry root weight in 5 weeks after planting (WAP). Synthetic fertilizer administration by 100% recommended rate gave significantly higher plant height, number of branches, number of leaves, and fresh and dry root weight in 5 weeks after planting (WAP). Interaction of 100% recommended rate of biofertilizer and 100% recommended rate of synthetic fertilizer resulted in significantly higher number of leaves and number of flowers. Keywords: edamame plant. Biofertilizer, synthetic fertilizer
Hidroponik merupakan metode bercocok tanam dengan menggunakan media tanam selain tanah, seperti batu apung, kerikil, pasir, atau sabut kelapa, potongan kayu atau busa. Inovasi terbaru yang saat ini telah berhasil dikembangkan sebagai media tanam hidroponik adalah skerwool. Skerwool merupakan media tanam hidroponik yang terbuat dari limbah koran dan air kelapa yang dirancang oleh Mahasiswa Universitas Djuanda. Mengingat pentingnya sektor pertanian bagi masyarakat Indonesia, sektor pertanian masih dapat diandalkan untuk menjadi sumber penghasilan bagi beberapa masyarakat, khususnya masyarakat Desa Cibereum, Kecamatan Cisarua, Kabupaten Bogor. Hal ini disebabkan karena kawasan ini berada di dataran tinggi (Puncak) sehingga sangat mudah bagi warga setempat untuk memproduksi produk pertanian dengan kualitas yang baik. Namun saat ini, alih fungsi lahan pertanian di Desa Cibereum, menjadi hal yang perlu diperhatikan. Melihat banyaknya lahan yang digunakan sebagai bangunan Vila dan Hotel, masyarakat sekitar menjadi semakin sedikit lahannya untuk pertanian. Pengabdian ini berfokus pada optimalisasi kegiatan Muslimat Cahaya Cemerlang di Desa Cibereum dan keberlanjutan program pengabdian, karena alternatif media tanam yang murah, serta edukasi tentang pengelolaan anggaran rumah tangga, untuk membandingkan sisi cost and benefit yang diperoleh dengan melaksanakan program ini sehingga dapat terwujudnya semangat kemandirian desa. Metode kegiatan yang dilakukan untuk tercapainya tujuan pengabdian kepada masyarakat ini adalah metode ceramah, diskusi dan demonstrasi praktik langsung di lapangan yang didasari oleh evaluasi awal sebagai landasan untuk menentukan posisi pengetahuan kelompok sasaran mengenai pemanfaatan lahan pekarangan melalui penerapan Hidroponik Nyaman di Hati dan Kantong. Hasil pelaksanaan menunjukkan adanya peningkatan kesadaran peserta pelatihan untuk menerapkan system hidroponik dan penggunaan media tanam skerwoll untuk meningkatkan pendapatan. Hal ini terlihat dari antusias para peserta untuk mengaplikasikan hasil pelatihannya dan melanjutkan kegiatan tersebut setelah selesai programnya.
The purpose of the study is to determine the effect of concentration and frequency of application of banana weevil solution kepok against red chili plants is roofed with translucent ultraviolet plastic 70% which acts as a natural growth regulator. Research on the provision of banana weevil solution covered in 70% translucent ultraviolet plastic in open land has not been found before. The growing regulators from the gibberellin and cytokinin groups were able to boost the growth and yield of chili peppers. The method of using a random design of factorial groups, as the first factor is age consists of 9 levels, namely T1: age (14) HSPT, T2: age (14.21) HSPT, T3: age (14,21,28) HSPT, T4: age (14,21,28, 35) HSPT, T5 : age (14,21,28,35, 42) HSPT, T6: age (14,21,28,35,42,49) HSPT, T7: age (14,21,28,35,42,49,56) HSPT, T8: age (14,21,28,35,42,49,56,63) HSPT, and control (T0). The second factor is concentration consists of 3 levels, namely K1 (30%), K2 (45%), and K0 (0%). The results of the study obtained concentration of K1 (30%) with the amount of T6 administration is the best result in vegetative growth of the plant height change, the number of branches, and the width of the header, while the concentration of K1 (30%) give the best results on the length of the fruit, the dry weight of the fruit, and the diameter of the fruit from other treatments. Conclusion of the application of concentration and frequency of the sea of banana weevil kepok containing regulatory substances growing on red chili plants in the field covered with ultraviolet plastic roof significantly increases the growth and yield of red chili peppers.
Katuk {Sauropus androgynus (L.) Merr} is a leafy vegetable which requires nitrogen for itsvegetative growth. This study was aimed at assessing the agronomic performance of various accessions of katuk vegetable grown with different rates of urea fertilizer administration. A completely randomized design with two factors was used. The first factor was katuk accessions consisting of Sukaraja Sukabumi, Cugenang Cianjur, and Kemang Bogor. The second factor was urea fertilizer administration in five rates, namely 0, 33.3, 66.7, 100%, and 133.3% of recommended rate (R). Results showed that katuk plant of Sukabumi accession gave the best plant height and leaflet area. Katuk plant of Cianjur accession had the highest values of plant height, number of buds, yield fresh weight, yield dry weight, and root length. Katuk plant of Bogor accession was found to have the highest fresh root weight. Urea administration of 66.7-133.3% R resulted in katuk plant with the best values of plant height, number of buds, stem diameter. The widest leaf area was found in 100% R urea administration and the highest root weight was found in plants treated with 66.7% R urea administration. The increase of urea fertilizer doses starting from 33.3% R in Cianjur and Bogor katuk accession increased the total harvest wet weight and dry weight, while in Sukabumi accession the significant increase in production was at a dose of 100% R and 133.3% R urea. The increase in vitamin C content was significant in the application of 133.3% R urea fertilizer.
This study was aimed at assessing the growth and production of celery plants grown with various compositions of N,P and K fertilizer and compost. The study was done at the Trial Farm of Faculty of Agriculture, Djuanda University, Bogor fiom September to November 2015. A completely randomized design with two factors was used. The factors consisted of compost rate and N,P and K fertilizer rate. Compost was given in four levels, namely no compost (0% R), 26.3% gcompost/plant (50% R), 52.5 g compost/plant (100% R), and 78.7 g compost/plant (150% R). N, P and K fertilizer was given in five levels, namely no fertilizer (0% R), 4 g Urea, 0.3 g SP-36, 0.2 g KCl (25% R), 0.9 g Urea, 0.6 g SP-36, 0.4 g KCI (50% R), 1.3 g Urea, 0.8 g SP-36, 0.6 g KCl (75% R), and 1.7 g Urea, 1.1 g SP-36, 0.8 g KCl (100% R). All fertilizers were administered gradually at the time of planting and 2 weeks after planting. Three replicates were allocated into each treatment making up 60 experimental units. Results showed that celery plants given synthetic fertilizer at 100% R had higher plant height, number of leaves, number of seedlings, harvest fresh weight (g), saleable fresh weight (g), root biomass (g), and root dry weight (g) than those treated with no fertilizer (0% R). Plants treated with 150% compost had higher plant height, number of leaves, harvest fresh weight (g), saleable fresh weight (g), root length (cm), and root dry weight (g) than those treated with no fertilizer (0% R). Thus the best celery growth and production in this study was obtained on plant 150% R compost and 100% R synthetic fertilizer nourished.Key words: celery, compost, N, P, K fertilizer, harvest flesh weight
Katuk (Sauropus androgynus (L.) Merr) merupakan tanaman indigenous yang memiliki perbedaan karakter morfologi dan kualitas antar aksesi (daerah asal). Penelitian ini bertujuan untuk mengetahui perbedaan karakter morfologi dan kualitas berbagai aksesi tanaman katuk. Penelitian ini menggunakan rancangan acak lengkap (RAL) satu faktor, yaitu 10 aksesi katuk (Kadudampit1, Kadudampit2, Sukaraja, Pabuaran1, Pabuaran2, Leuwiliang, Kemang, Sentul, Pandeglang, Cianjur). Hasil penelitian ini menunjukkan bahwa pertambahan tinggi tanaman, panjang tunas, lebar anak daun, panjang anak daun dan luas anak daun terbaik adalah aksesi Pabuaran2, Kadudampit2 dan Kadudampit1. Aksesi katuk dengan pertambahan jumlah daun, jumlah anak daun, jumlah tunas dan panjang tunas tertinggi adalah Cianjur dan Kemang. Terdapat tiga kelompok tanaman katuk dengan tingkat kemiripan sebesar 76,27 %. Tingkat kemiripan tertinggi, sebesar 93,36 % terdapat pada aksesi Kadudampit1 dengan Sukaraja dan aksesi Kadudampit2 dengan Pabuaran2.
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