Peningkatan Pertumbuhan dan Produksi Jagung Manis Melalui Penerapan Sistem Pengolahan Tanah dan Pemberian Mulsa pada Lahan

Tillage and mulching are intended to create good soil conditions which is suitable for plant growth so could increase crop production. This study aims to gain tillage system and the organic mulching which can improve the growth and the production of sweet corn on the dry land. The experimental design used in this study is a randomized block design arranged as factorial with two treatments factors and three replications. The first factor is tillage which consists of no tillage (P0), minimum tillage (P1), and maximum tillage (P2). The second factor is mulching which consists of no mulching (M0), mulching (M1). The results showed that the soil tillage system and mulching affect on growth and production of sweet corn, minimum soil tillage systems and mulching best affect on the growth and production of sweet corn on the dry land

Pengaruh Pemupukan terhadap Perubahan Morfofisiologi Dua Varietas Padi pada Kondisi Cekaman Rendaman

Submergence tolerance is plant adaptation to anaerobic or hypoxia condition without significant damage. Changes in morphophysiological characters of rice plant are often related to the plant adaptation to submergence stress. Fertilization might affect plant morphophysiological changes under submergence stress. The objective of this research was to study the effect of rice varieties and fertilizer application on the growth and morphophysiological changes under submergence stress. The experiment was arranged in factorial completely randomized block design with six replications. The first factor was rice varieties consisted of Inpara 5 (V1) and IR64 (V2), while the second factor was fertilizer application consisted of without fertilization (P0) and with fertilizer application (P1). Submergence stress was applied on 28 days old seedlings for 7 days. The results showed that fertilizer application increased aerenchyma formation and plant N content of both IR64 and Inpara 5 varietes. Inpara 5 variety had higher relative chlorophyll content, relative carbohydrate content, and relative plant dry weight thant IR64 variety at 7 days after submergence stress

Peningkatan Toleransi Dua Varietas Padi Terhadap Cekaman Terendam Melalui Perlakuan Pemupukan Pada Lahan Rawa Lebak

Gribaldi et al, 2016. Tolerance Improvement of Two Rice Varieties to Submerged Stress Through Fertilization Treatment in Swamp. JLSO 5(1):1-9.Rice plants tolerance to the submerged conditions need to be improved in order to minimize the crop damage during the immersion. To increase the tolerance of rice plants effort is required to produce a good plant growth and early high vigor before the immersion, one through fertilization treatment. This study aims to obtain proper fertilization technology that can increase stress tolerance of rice plants submerged in swampy embankment conditions. The experimental design used in this study is the split plot design with three replications. The main plot is the fertilization treatment (P) consists of;  P0 = full doses of N fertilization without submerged, P1 =  full doses of N fertilization with submerged, P2 = ½ doses of N fertilizer with submerged.  The subplots are varieties of rice (V) consist of; V1 = Variety of Inpara 5, V2 = Variety of IR 64. The results of the study showed that fertilization treatment affect on rice plants tolerance to stress submerged, ½ doses of N fertilizing may increase the tolerance of crops to submersion stress, Variety of Inpara 5 tends to be more tolerant to submersion stress than the varieties of IR 64 at various fertilization treatment

Upaya Peningkatan Pertumbuhan dan Produksi Gambas Melalui Pengaturan Jarak Tanam dan Waktu Penyiangan di Lahan Kering

Gribaldi et al, 2018. Increasing the Growth and Production of Oyong Through Setting the Planting Distance and Weeding Period in Dry Land. JLSO 7(2):157-163. Luffa acutangula (angled loofah) provide great benefits so that it is popular and consumed by the public. The increasing of L. acutangula production continues to be carried out in line with increasing market demand, one of them is through the improvement of cultivation techniques, such as fertilizer application, spacing and time for weeding. This study aimed to determine the increase in growth and production of L. acutangula plants at various planting distances and weeding time. This study used a randomized block design which was arranged through factorial with three replications. The factors studied consisted of: plant spacing (J), spacing of 40 cm x 50 cm (J1), spacing of 60 cm x 50 cm (J2), and spacing of 80 cm x 50 cm (J3). Weed weeding treatment (P) consists of: No weeding (P0), weeding at 15 DAS (days after sowing) (P1), weeding at 25 DAS (P2), weeding at 35 DAS (P3), and weed-free (P4). The results showed that the treatment of plant spacing and weeding time affected the plant growth and production. Spacing at 40 cm x 50 cm resulted in the best of plant growth and yield, and weeding at 35 DAS and weed-free plant produced the best growth and yield

Peningkatan Pertumbuhan dan Produksi Jagung Manis Melalui Penerapan Sistem Pengolahan Tanah dan Pemberian Mulsa pada Lahan

Gribaldi et al, 2016.  Increasing of Growth and Sweet Corn Production Through Implementationof Tillage System and Mulching on The Dry Land. JLSO 5(2):119-126. Tillage and mulching are intended to create good soil conditions which is suitable for plant growth so could increase crop production. This study aims to gain tillage system and the organic mulching which  can improve the growth and the production of sweet corn on the dry land.  The experimental design used in this study is a randomized block design arranged as factorial with two treatments factors and three replications. The first factor is tillage (P), which consists of no tillage (P0), minimum tillage (P1), and maximum tillage (P2). The second factor is mulching (M), which consists of no mulching (M0), mulching (M1). The results showed that  tillage systems affect the growth and production of sweet corn,  mulching no effect on the growth and production of sweet corn, and mulching on minimum tillage tend to affect both the growth and the production of sweet corn on dry land

PERUBAHAN MORFOLOGI BIBIT KARET (Hevea brassiliensis Muell. Arg.) TERHADAP INTERVAL PENYIRAMAN AIR PADA BERBAGAI MEDIA TANAM

Seeds are healthy and fast according to the needs in the field is the composition of the media in the nursery and water availability. The composition of planting media soil, sand and organic matter. In addition to the growing medium, water also affects the growth of rubber plants. Treatment watering intervals, associated with the level of water availability. Plant growth improves with increasing amounts of water. In contrast, plant growth is hampered by lack of water is often associated with a reduction in the rate of photosynthesis. This study aims to determine the effect of watering intervals at different growing media on the growth of rubber seedlings. This study uses factorial completely randomized design, with five replications. -1 Factor is the growing media with a volume ratio (%), namely: M1 = Land (100%), M2 = Soil + sand (20% + 80%), M3 = Soil + sand + organic matter (10% + 80% + 10%), + M4 = Soil organic matter (20% + 80%). Factor-2 is an interval watering, namely: P1 = 4 days, P2 = 8 days, P3 = 12 days. Interval watering four days on the composition of soil organic matter 20% + 80% showed the highest yield at the variable plant height, number of leaf stems, root length, shoot dry weight, root dry weight and plant dry weight of rubber

MIXED MODIFICATION PLANTING MEDIA TO THE GROWTH OF CELERY PLANTS (Apium gravolens L.) ON VERTICULTURE SYSTEM

Celery plants are not only can be grown in large fields but can also be grown in small fields such as plant cultivation through verticulture. Cultivation technique with verticulture system is a vertical farming technique using up land and suitable for less fertile land. The efforts to improve the planting growth on this verticulture system can be done by improving the planting media. This study aims to determine the effect of various planting media to improve the growth of celery plants through verticulture system. The study was conducted using Completely Randomized Design (CRD) which are arranged in non-factorial with 4 treatments and 4 replications. The treatment under study consists of: A = Sand, B = Soil + Sand, C = Soil + Manure, and D = Land. The result showed that the treatment of some planting media influence on the growth of celery plants on verticulture system. Planting media such as soil + manure is the best planting media and able to improve the growth of celery planting on verticulture system

Fertilization Strategy to Increase Rice Growth and Production Under Two Flooding Condition on Two Lowland Swamp Types

Flood is general phenomenon found in most areas of Indonesia. This can obstruct rice crop cultivation on lowland swamp areas. Fertilization strategy is one of the efforts to increase rice crop growth and production on flooded condition. The objective of this research was to determine the best fertilization strategy on vegetative stage related to rice crop growth and production under flooded condition at two types of lowland swamp. The experimental design used in this research was split-plot design with three replications. The main plot was fertilization treatment consisting of P1 = base fertilization, P2 = fertilization before flooded, P3 = fertilization after flooded and P4 = fertilization before and after flooded. The subplot was rice variety which consisted of V1 = Inpara 3, V2 = Inpara 5, V3 = IR 64 and V4 = Ciherang. The results showed that fertilization strategy was capable of increasing rice crop growth and production under flooded condition at two types of lowland swamp. Rice variety Inpara 5 added with fertilizer before flooded on shallow-backswamp and fertilizer addition before and after flooded on middle-backswamp was the best treatment that had produced rice yield with magnitude of 4.48 and 3.43 ton per hectare, respectively