Shallot is the most produced vegetable in Indonesia. The consumption of shallot per kg/capita/year is continuously increasing, therefore there is a need to ensure enough supply. The lack of nutrients in the soil is a problem in shallot production. Shallot needs macronutrients such as Nitrogen (N), Phosphorus (P), Potassium (K), and Calcium (Ca) to improve its yield and quality. The application of liquid organic fertilizer from coconut husk and dolomite can be the solution. This study was conducted using Factorial Randomized Block Design consisting of two factors, concentration of liquid organic fertilizer (0%, 10%, 20%, and 30%) and dolomite (with dolomite or without). The results showed that the application of 20% liquid organic fertilizer, the application of dolomite, and the combination of both (P2D1) had the highest value on fresh shallot bulbs weight per clumps and bulb weight after storage parameters, and had the lowest value on weight loss percentage parameter.
Pakcoy is a short-lived plant and has the high nutritional content needed by the body. One of the factors that influence the growth and yield of pakcoy is the growing medium. This study aims to determine the effect of various growing medium on the growth and yield of pakcoy. This study used a randomized block design (4 x 4) with treatment of M1 (soil), M2 (soil + manure), M3 (soil + sand) and M4 (soil + sand + manure). The results showed that the growing medium is a mixture of soil, sand, and manure gave the highest average value for all observed parameters, although it was not significantly different from the mixed growing medium of soil and manure
Rainfall patterns changes in
INTISARIPerubahan pola curah hujan di Indonesia telah terjadi sejak beberapa decade terakhir. Perubahan ini menyebabkan terjadinya pergeseran musim di beberapa daerah. Tanaman tebu (Saccharum officinarum L.) merupakan tanaman yang membutuhkan banyak air pada fase vegetative tetapi membutuhkan kondisi kering ketika menjelang panen. Penentuan masa tanam yang kurang tepat dapat menurunkan hasil produksi bahkan gagal panen. Penelitian penentuan masa tanam tebu dilakukan di Kecamatan Kalasan, Sleman. Daerah ini merupakan lahan tadah hujan. Curah hujan sangat berpengaruh terhadap ketersediaan lengas tanah pada lahan tadah hujan. Data yang digunakan dalam penelitian ini adalah data curah hujan bulanan selama 10 tahun terakhir (2002 -2011), suhu, kelembaban, kecepatan angin, lama penyinaran, sifat fisik tanah dan data tanaman. Penelitian ini didahului dengan membangkitkan data curah hujan bulanan 10 tahun ke depan (2012-2022) dengan menggunakan model Thomas-Fiering. Data curah hujan bangkitan ini digunakan untuk membuat neraca air. Neraca air menggambarkan kondisi surplus dan defisit ketersediaan lengas tanah. Data analisis neraca air menunjukkan bahwa masa tanam tebu yang tepat adalah September-Agustus dan Oktober-September.
Kata kunci: Masa Tanam, Pembangkitan Data Curah Hujan Bulanan, Neraca Air
PENDAHULUANPemanasan global (global warming) telah mengubah kondisi iklim global, regional, dan lokal. Perubahan iklim global akan menyebabkan berubahnya pola curah hujan, bergesernya awal musim hujan/pergeseran musim serta makin meningkatnya intensitas kejadian iklim ekstrim (anomaly iklim) (Anonim, 2009).Curah hujan merupakan unsur iklim yang besar pengaruhnya terhadap suatu sistem usahatani, terutama pada lahan kering dan tadah hujan. Curah hujan sangat menentukan pola dan intensitas tanam yang dicirikan oleh growing season suatu lahan. Menurut Bannu (2003) cit.
Cayenne pepper is a vegetable plant that has great potential to be developed in Indonesia because it can meet the needs of households, domestic industries, exports, and raw materials in the pharmaceutical industry. One way to increase the yield of cayenne pepper is by giving liquid organic fertilizer (POC) for bamboo shoots. This study aims to determine the response of cayenne pepper toward the application of POC and gets the best POC concentration to support the growth and production of cayenne pepper. This study used a randomized block design with treatment in the form of POC concentrations consisting of 5 levels (0; 25 ml / L water; 50 ml / L water; 75 ml / L water; 100 ml / L water). Each treatment consisted of 4 replications so that there were 20 experimental units. The results show that the application of POC had a very significant effect on the number of flowers, fresh weight of fruit, and growth rate of cayenne pepper with the best treatment was 75 ml / L of water.
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