Testing of the N, P, and K nutrients in rice soil in the Kalawarat district of North Minahasa Regency

W. Kumolontang, Lientje Theffie Karamoy, J. Rondonuwu, Rafli Kawulusan
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Abstract

The specific goals of the field and laboratory research on N, P, and K nutrient content tests in paddy soil in Kalawat District, North Minahasa Regency, are to increase the production of paddy rice plants by investigating and testing the nutrient contents of N, P, and K in rice field soil using a survey method with composite soil sampling that is tailored to the conditions of rice field soil for rice plants in the field. both at the top and bottom with In condition 1. On processed rice fields prepared for planting. 2. In rice fields where one-month-old rice has been sown. 3. In freshly harvested rice fields. Three composite soil samples were acquired for each paddy field soil condition for rice plants, and these samples were blended to create six soil samples (observations). The entire research project, from planning to report development, took eight months. The Paddy Soil Test Kit (PUTS) was used to collect qualitative data from soil samples collected in the field. Later, the soil samples were examined in the lab using the Kjeldhal method for N content, the Bray 1 method for P levels, and the spectrophotometric method for K levels. Tabular descriptive analysis is the method of data analysis that is employed. According to the study's findings, the nutrient content of the rice fields in Kalawat District, North Minahasa, N. is categorized as low to medium. Keywords: Rice plants, Paddy soil, N, P, and K. Abstrak Penelitian tentang Uji Kandungan Hara N, P dan K Pada Tanah Sawah Di Kecamatan Kalawat Kabupaten Minahasa Utara merupakan penelitian di Lapangan dan Laboratorium dengan tujuan khusus yang ingin dicapai dalam penelitian ini adalah Meningkatkan produksi tanaman padi sawah; dengan cara meneliti dan menguji kandungan hara Nitrogen, Fosfor dan Kalium pada tanah sawah, dengan menggunakan metode survei dengan pengambilan sampel tanah secara komposit disesuaikan dengan keadaan kondisi tanah sawah pada tanaman padi yang ada di lapangan.  Pada bagian atas dan bagian bawah dengan  Kondisi 1. Pada tanah sawah yang telah selesai diolah dan siap ditanami. Kondisi 2. Pada tanah sawah yang telah ditanami padi berumur 1 bulan. Kondisi 3. Pada tanah sawah yang baru selesai dipanen. Masing-masing kondisi tanah sawah untuk tanaman padi diambil 3 sampel tanah secara komposit kemudian dicampur sehingga diperoleh 6 Sampel tanah (pengamatan). Waktu penelitian selama 8 bulan dari persiapan sampai pembuatan laporan. Sampel tanah yang diperoleh di lapangan di analisis menggunakan Perangkat Uji Tanah Sawah (PUTS) sebagai data kualitatif dan di Laboratorium dianalisis Kadar N dengan menggunakan metode Kjeldhal; Kadar P dengan menggunakan metode Bray 1; Kadar K dengan menggunakan metode Spektrofotometri. Metode analisis data yang digunakan adalah analisis deskriptif secara tabelaris. Hasil dari penelitian ini  menunjukkan Kandungan Hara pada Lahan sawah di Kecamatan Kalawat Minahasa Utara N tergolong Rendah sampai sedang, P tergolong rendah hingga sedang dan K tergolong sedang. Kata kunci : N, P, K, Tanah Sawah, Tanaman Padi
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北米纳哈萨省卡拉瓦拉特地区水稻土中氮、磷和钾养分的测试
在北米纳哈萨省卡拉瓦县(Kalawat)进行的水稻田土壤中氮、磷、钾养分含量测试的田间和实验室研究的具体目标是,通过调查和测试水稻田土壤中氮、磷、钾的养分含量,采用复合土壤取样的调查方法,根据水稻田土壤的条件,对田间的水稻植株进行氮、磷、钾养分含量测试,以提高水稻植株的产量。 在准备播种的加工过的稻田中,顶部和底部都有条件。2.播种了一个月水稻的稻田。3. 刚收割的稻田。针对每种水稻种植的稻田土壤条件,采集三个复合土壤样本,然后将这些样本混合,形成六个土壤样本(观察结果)。整个研究项目从规划到报告编写历时八个月。研究人员使用稻田土壤测试工具包(PUTS)从田间采集的土壤样本中收集定性数据。之后,土壤样本在实验室进行检测,采用凯尔达尔法检测氮含量,采用布雷 1 法检测磷含量,采用分光光度法检测钾含量。采用的数据分析方法是表格描述性分析。根据研究结果,北米纳哈萨省卡拉瓦特地区稻田的养分含量被归类为中低等:AbstractResearch on the Test of N nutrient Content of N, P and K in Paddy Soil in Kalawat District, North Minahasa Regency is a field and laboratory research with the specific objectives to be achieved in this study is to increase the production of paddy rice plants; by examining and testing the nutrient content of Nitrogen, Phosphorus and Potassium in paddy soil, using the survey method with composite soil sampling adjusted to the condition of paddy soil on rice plants in the field.根据研究结果,北米纳哈萨卡拉瓦特区稻田的养分含量被归类为中低水平。 上图和下图中的条件 1.已处理并准备种植的稻田土壤。条件 2:已种植 1 个月水稻的稻田土壤。条件 3:刚刚收割的稻田土壤。每种条件下的稻田土壤都要采集 3 个复合土壤样本,然后混合,以获得 6 个土壤样本(观察结果)。从准备到撰写报告,研究时间为 8 个月。在田间获得的土壤样本使用稻田土壤测试装置(PUTS)进行定性数据分析,并在实验室使用 Kjeldhal 法分析 N 含量;使用 Bray 1 法分析 P 含量;使用分光光度法分析 K 含量。采用的数据分析方法是表格描述性分析。研究结果表明,北米纳哈萨卡拉瓦特区水稻田的养分含量 N 为中低等,P 为中低等,K 为中等:氮、磷、钾、水稻田土壤、水稻植株
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Nutrient Status Of The Soil Layers Of Rice Fields In Taratara Satu District, West Tomohon District Tomohon City Cultivation Of Corn In The Dry Season Through Community Partnership Program In SMKN PP Kalasey The Effect of Mixing Coconut Dregs Flour and Wheat Flour on the Physical Properties and Fiber Content of Various Wet Cakes Testing of the N, P, and K nutrients in rice soil in the Kalawarat district of North Minahasa Regency The Effects of Substituting Straw Compost for NPK Fertilizer On Field Rice Growth and Yield Using The SRI (System of Rice Intensification) Method
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