Watermelon Production in Dry Land with Liquid Biofertilizer and Different Compound NPK

An area of 12.90 million ha of dry land has not been used optimally for agriculture, opportunity available to plant watermelons with proper cultivation techniques, including the use of biological and inorganic fertilizers. Biofertilizers can help provide NPK nutrients for watermelon plants. The purpose of this study was to determine the appropriate dosage of biological fertilizers and compound NPK for increasing watermelon yields. The research was conducted at AKN Sakojo No.21 Kel. Kedondong Raya Kec. Banyuasin III Pangkalan Banyuasin City Hall, South Sumatra from July to October 2020. This study used a factorial randomized block design (RAK). Factorial 1 is the dose of liquid biological fertilizer, namely: 10 mL/L, 20 mL/L, and 30 mL/L. Factorial II is Compound NPK, namely: 600 kg/ha, 900 kg/ha, and 1200 kg/ha. The highest production of 22.32 kg/plot (38 tons/ha) was achieved at a dose of 30 mL/L of liquid biological fertilizer and 1200 kg/ha of compound NPK fertilizer.

Development of a method for obtaining healthy mini-tubers of potatoes of the Yubilyar variety using a humic preparation from peat

The influence of various nutrient medium compositions on the growth of potato plants during in vitro cultivation and the possibility of using biological fertilizer from peat in different concentrations to improve the adaptation of plants to growing in ground for the development of a method for obtaining healthy mini-tubers of potatoes of the Yubilyar variety were studied. The influence of various nutrient medium compositions on the height, biomass, intensity of rhizogenesis, the number of internodes of improved potato micro-plants, as well as humic fertilizer from Humostim peat on the survival rate and height of potato plants when adapting it to ground conditions is analyzed. Taking into account the data obtained, as well as the cost of the studied variants of the medium, the optimal medium for growing potato micro-plants in laboratory conditions in vitro is a nutrient medium with a content of mineral components 1/3 from the norm. The use of humic preparation from peat Humostim in a concentration of 0.001% caused an acceleration of plant growth and an increase in their height, and this concentration is recommended for use.

The effect of biological fertilizer application on interest amount and relative water content in rehabilitation effort of old cacao

Purpose This study was to examine the effect of the application of Trichoderma asperellum and Azotobacter chroococcum on the condition of cacao leaves (RWC and LMA) and their relationship to the interest amount formed, after treatment Inarching grafting in the rehabilitation of old cacao plants from side grafting. The method used in this study was Split Plot Design, with 2 factors, namely the use of T. asperellum and A. chroococcum which were repeated 3 times each, and using Duncan’s New Multiple Range Test (DNMRT). The best results obtained were the relative water content of the leaves 98.43%; LMA 225.05 mg.mm−2, which produced an average number of 62 flowers every tree, with bacteria A.chroococcum and fungus T.asperellum applied twice each using the inarching grafting method which was carried out at the time of the appearance of the flush.

The effectiveness of technology packages of 15 biofertilizer formulas to increase soybean productivity on acidic soils

The potentcy of acidic soils for soybean development in Indonesia is quite large. However low of soil fertility and microorganisms population become contrains for achieving high productifity of soybean. The aim of this research is to determine the effectiveness of technology packages for 15 biofertilizers formula to increase soybean productivity in acidic soils. The research was conducted during the end of rainy season in South Kalimantan. The soil use in the study had pH 5.2 and soil Al-saturation 34.2%. The reasearch was arranged in a randomized block design, three replications consisted of 20 treatmens, namely: 1) 0 NPK, 2) 50% NPK, 3) 50% NPK +2 t/ha organic fertilizer 4) 70% NPK, 5) 100% NPK (100 kg urea + 100 kg SP36 + 100 kg KCl/ha), 6) Iletrisoy+ Biovam+Starmix, 7) Iletrosoy Plus, 8) Beyonic, 9 Biotrico, 10) Probio New, 11) RhizoBIOST, 12) Bio-SRF, 13) Biopim, 14) BioMIGE, 15) Biocoat, 16) FajarSOYA, 17) Rhizobion, 18) Agrizone, 19) Rhizoplus, and 20) BISRF. For each biological fertilizer, 50-75% of recommended NPK fertilizers were given at 15 days after planting. The results indicated that combination of Biovam + Iletrisoy + Startmix biofertilizers, Iletrisoy plus, Biotricho, Probio New, Bio Mige, and Fajar SOYA were effective for increasing soybean productivity on acidic soils. These biological fertilizers + 50% recommended NPK + 1.5 t/ha organic fertilizer increases pods number, and soybean productivity more than 10% compared to the recommended NPK fertilizer dosage whic was 1.81 t/ha. Several of these biological fertilizers have good prospects to be developed as bio-fertilizers for soybeans in acidic soils.

The combination of irradiation biofertilizer of rhizosphere microbes consortium inoculant (IMR) and inorganic fertilizer on the growth of kale in a floating raft hydroponic system

A hydroponic floating system is a working system where a plant is placed in a floating net pot on the surface of water. In hydroponic systems, the content of inorganic fertilizers contained in the media is the main source of nutrients for plants. The use of biological fertilizers is expected to reduce the dose of inorganic fertilizers applied to hydroponic systems. The main objective of this study was to obtain a combination of inorganic fertilizers with Inoculant of Rhizosphere Microbial Consortium (IMR) and biofertilizer which has the most influence on the N content, growth and production of kale plant. There are five different treatments on hydroponic floating system viz 100% inorganic fertilizer (control), 100% inorganic fertilizer + IMR (Pa), 75% inorganic fertilizer + IMR (Pb), 50% inorganic fertilizer + IMR (Pc), and 25% + IMR (Pd), where 100% inorganic fertilizer is equivalent to 10 mL / L and the amount of IMR given to each treatment was 10 ml/L. The method used in this research was descriptive comparative method, using primary data which is then analysed quantitatively such as using graphs, and T-test. The results of the research showed that giving a combination of 100% biological fertilizer and 50% inorganic fertilizer, can reduce the use of inorganic fertilizers by 50%, and gave the best and significant influence on plant height 34.41 cm, leaves as much as 30 strands, root length 24.27 cm, and the harvest weight 80.97 grams. The combination of 100% biological fertilizer and 50% inorganic fertilizer does not give a combination of N content of the kale plant.

The Effect of The Dates of Application of Biohealth Fertilizer and Levels of Mineral Fertilization on The Yield and Components of The Legume Crop (Vicia Faba L.)

A field experiment was conducted during the winter semester 2020-2021 in Wasit Governorate - University of Wasit - College of Agriculture, Iraq. In loamy sandy soils to study the effect of dates application for Biohealth biological fertilizer in (growth stage, elongation stage and growth and elongation stage) + with (0%, 25%, 50%, 75%, 100%) from the mineral fertilizer recommendation for some plant traits in Broad bean (Vicia Faba L.). The experiment was Indicated according to a split-plots system using a randomized complete block design by three replications. A results of the study showed significant superiority in adding biological fertilizer in growth and elongation stage with highest mean of the yield and its components, Amount to (plant pods number 15.45 pod plant-1 and the number of seeds per pods 5.02 seed pod-1 and 100 seed weights 119.17 g and green pods yield 14.29 t ha-1 and seed yield 4.45 t ha-1 and biological yield 11.00 t ha-1). It also significantly outpered the addition of biological fertilizer + with 75% of the recommendation for mineral fertilizer with highest mean of yield and its components, Amount to (plant pods number17.75 pod plant-1 and number of seeds per pods 5.71 seed pod-1 and 100 seed weights 122.72 g and green pods yield 16.21 t ha-1 and seed yield 4.72 t ha-1 and biological yield 11.57 t ha-1). The interactions showed a significant effect on yield characteristics and its studied components, as the interaction treatment exceeded date of adding biological fertilizer + with 75% of fertilizer recommendation at growth and elongation stage highest mean of studied characteristics.

THE APPLICATION OF BIOFERTILIZER ON GROWTH AND YIELD OF MELON VARIETIES (Cucumis melo L.)

Melon (Cucumis melo L.) is one of potential horticultural crop in Indonesia. Unfortunately, melon production is currently unable to meet national demand. The objective of this study was to investigate the effect of biofertilizer, varieties and interaction between the dose of biofertilizer and varieties on the growth and yield of melons. The study was conducted in January-April 2021 at Paloh Lada Village, Dewantara District and the Laboratory of Agriculture Faculty, Universitas Malikussaleh. These experiments were arranged in a Factorial Randomized Block Design (RBD) with two factors. The first factor was biofertilizer (P) consisting of 4 levels: P0 (0 ml/L), P1 (5 ml/L), P2 (10 ml/L) and P3 (15 ml/L) and the second factor was melon varieties (V): V1 (F1 Pertiwi Anvi) and V2 (F1 Action 88). There was 8 treatment combinations with 3 replications, resulted in 24 experimental units. The interaction between biofertilizers and varieties gave significant effect on the growth and yield of melon, while the interactions between bio fertilizer did not differ on all variables observed. The application of biological fertilizer 10 ml/L on V1 variety (F1 Pertiwi Anvi) is recommendable. There was an interaction between of biological fertilizers and melon varieties on the total dissolved solids (Brix %).

Effect of Biological Fertilizer and Chemical Fungicide on Fusarium Wilt Disease, Growth and Yield on Onion (Allium ascaloncum L)

Onion (Allium Ascalonicum L) are one of the leading horticultural commodities that have economic value. In cultivation, Fusarium wilt disease is often damaged caused by the fungus Fusarium oxysporum. This study aimed to examine the effect of biofertilizer application on fusarium wilt disease, growth and yield of onion. The treatments tested were Bion-up biofertilizer, KIBRT, Biostimulant, Azoto-Tricho, anthracol fungicide, and without biological fertilizer as a control. Using a randomized block design with three replications. Observation variables were the incidence of fusarium wilt disease, plant height, number and weight of tubers. The results showed that the application of biofertilizers (Bion up, KIBRT, Biostimulants and Azoto-Tricho) was effective in increasing plant height, number of bulbs, and bulb weight of onion bulbs, while controlling the development of fusarium wilt disease was more effective when using Bion up, KIBRT, and Azoto-Tricho.Keywords: Biofertilizer, Antracol, Shallots, Fusarium oxysporum

The Effect of Various Treatment of Bio Boost Fertilizer On The Growth and Yield of Melon (Cucumis melo. L)

Bio boost is a biological fertilizer containing superior soil microorganisms, useful for increasing soil fertility as a result of soil biochemical processes. Bio boost biofertilizer contains Azotobacter sp., Azospirillum sp., Bacillus sp., Pseudomonas sp., and Cytophaga sp. One of the applications of organic cultivation is the use of biological fertilizers in the cultivation of melons. Melon is a horticultural commodity that has a fairly high economic value and is profitable to be cultivated as a source of farmers' income. This research was conducted in Jamaimo Village, Mariat District, Sorong Regency from July to November 2020. This study used a single factor with a randomized block design consisting of 4 levels of treatment. Each treatment was repeated 4 times so that 16 experimental units were obtained. The concentration of Bio boost treatment is as follows: P1 = Treatment with a concentration of 500 ml bio boost + 1000 ml water; P2 = Treatment with a concentration of 700 ml bio boost + 800 ml water; P3 = Treatment with a concentration of 900 ml bio boost + 600 ml water; P4 = Treatment with a concentration of 1100 ml bio boost + 400 ml water. The results of the study found that the application of bioboost with various concentrations affected the length of the vine, the number of leaves, the weight of the fruit and the fruit diameter of the melon plant. Treatment with a concentration of 1100 ml bioboost + 400 ml water (P4) can increase the length of the tendrils up to 108.34 cm, the number of leaves 42.75, fruit weight 1.61 kg, and melon diameter 17.56 cm.Keywords: Organic_fertiliser; Bioboost; Melon

Pengaruh Pemberian Dosis Pupuk NPK dan Jenis Pupuk Hayati terhadap Pertumbuhan dan Produksi Tanaman Bawang Merah (Allium ascalonicum L.)

Shallots (Allium ascalonicum L.) is one of the leading vegetable commodities used as food seasoning and traditional medicine. This study aims to see the effect of providing various doses of NPK fertilizer and types of biological fertilizers on the growth and production of shallot plants. This study used a randomized block design (RAK) arranged in a factorial (4 x 2). The first factor is the NPK fertilizer dosage which consists of four levels, namely: N0= 0% (without NPK fertilizer), N1= 50% (25 g/m2), N2= 100% (50 g/m2), and N3= 150% (75 g/m2). The second factor is the type of biological fertilizer which consists of two levels, namely: H1= Grikulan plus fertilizer and H2= EM4. The results showed that the NPK fertilizer dosage treatment up to a dose of 75g/m2 gave the best results on plant growth and development, including the number of leaves, plant height, fresh tuber weight per plant, wind dry tuber weight per plant, and wind dry tuber weight per m2. The growth and development of shallot plants with the application of Grikulan biological fertilizers were better than those of EM4 biological fertilizers. Treatment of NPK fertilizer dosage of 150% or equivalent to 75 g / m2 supplemented with the application of Grikulan plus fertilizer results in higher production, namely the weight of dry tubers per m2 reaching 1674.33 g or equivalent to 11.72 tonnes/ha. Keywords : EM4, Grikulan plus, shallots,NPK, yield