Soil and Environment Journal

Soil Phosphorus and Potassium Nutrient; C-organik; and pH at PT J Resources Bolaang Mongondow Mine Reclamation Land

Melanie Uly Euginia Silaban, Wiesje J. N. Kumolontang, Joko Purbopuspito — Thu, 21 Nov 2024 00:00:00 +0800

The soil phosphorus content was low, potassium content was moderate, soil C-organic content was low, and the soil pH was slightly acidic according to the Dry Soil Test Kit. The laboratory analysis showed that soil phosphorus was classified as medium to low, soil potassium as low, soil C-organic as moderate, and soil pH as neutral.

Keywords: Phosphorus, Potassium, C-organic, pH, Mine Reclamation Land

Abstrak

Kandungan fosfor tanah rendah, kandungan kalium sedang, kandungan C-organik tanah rendah, dan pH tanah agak masam menurut Dry Soil Test Kit. Hasil analisis laboratorium menunjukkan bahwa fosfor tanah tergolong sedang hingga rendah, kalium tanah tergolong rendah, C-organik tanah tergolong sedang, dan pH tanah tergolong netral.

Kata kunci: Fosfor, Kalium, C-organik, pH, Lahan Reklamasi Tambang

Nitrogen Rate, Phosphorus, And Potassium Levels In Chrysanthemum Cultivation (Chrysanthemum Sp) At Tomohon Tourism Seeds And Agrowidya Center

Tesalonika P. Karamoy, Jenny J. Rondonuwu, Rafli I. Kawulusan — Thu, 21 Nov 2024 00:00:00 +0800

This study aims to determine the nutrient content of Nitrogen, Phosphorus, and Potassium soil in chrysanthemum (Chrysanthemum Sp) cultivation at the Tomohon Seedling and Agrowidya Wisata Center. The method used in this research is a descriptive method, with working procedures including surveying the research location, taking soil samples at 3 locations, namely soil in the greenhouse Show Window planted with chrysanthemums (K1), soil in the Show Window cultivated by chrysanthemum farmers (K2) and soil without chrysanthemum plants (K3). At each location, 3 points were determined for soil sampling with a depth of 20 cm.

Keywords: nutrients, nitrogen, phosphorus, potassium, chrysanthemum

Abstrak

Penelitian ini bertujuan untuk mengetahui kandungan hara Nitrogen, Fosfor, dan Kalium tanah pada budidaya tanaman krisan (Chrysanthemum Sp) di Balai Bibit dan Agrowidya Wisata Tomohon. Metode yang digunakan dalam penelitian ini adalah metode deskriptif, dengan prosedur kerja meliputi survei lokasi penelitian, pengambilan contoh tanah pada 3 lokasi yaitu tanah pada Show Window rumah kaca yang ditanami tanaman krisan (K1), tanah pada Show Window yang dibudidayakan oleh petani krisan (K2) dan tanah tanpa tanaman krisan (K3). Pada setiap lokasi ditentukan 3 titik untuk pengambilan contoh tanah dengan kedalaman 20 cm.

Kata kunci: hara, nitrogen, fosfor, kalium, krisan

Status of soil organic matter in paddy fields in Taratara Satu village, West Tomohon District Tomohon City

Caecilia Diana Temongmere, Ronny Soputan, Wiesje J. N. Kumolontang — Thu, 21 Nov 2024 00:00:00 +0800

This study aimed to determine the status of soil organic matter in rice paddy fields in Taratara Satu village, West Tomohon District, Tomohon City. This research method with soil sampling techniques by Composite Sampling, and then the samples are analyzed C-organic using the method (Walkey and Black). Based on the result of this study, the results of chemical analysis of medium N, medium F, medium K, early organic C-organic, fields soil pH ranging from 5.2-5.7 with slightly acidic criteria and soil physical properties are clay rice soil texture with 35% sand content, 20% dust, and 40% clay. The content of organic matter is classified as medium both with puddle height of 1 cm and 10 cm.

Keywords: Rice Field, Organic Matter, C-organic

Abstrak

Tujuan penelitian ini untuk mengetahui status bahan organik tanah pada lahan padi sawah di Kelurahan Taratara Satu Kecamatan Tomohon Barat Kota Tomohon. Metode penelitian ini menggunakan metode survei lapang dengan teknik pengambilan sampel tanah secara Composite sampling, kemudian sampel dianalisis C-organik menggunakan metode (Walkey and Black). Berdasarkan hasil penelitian ini hasil analisis kimia N sedang, F sedang, K sedang, C-organik awal sedang, pH tanah lapang berkisar 5,2-5,7 dengan kriteria agak masam dan sifat fisik tanahnya dengan tekstur tanah sawah adalah liat dengan kandungan pasir 35%, debu 20%, dan liat 45%. Kandungan bahan organik tergolong sedang baik dengan tinggi genangan 1 cm maupun 10 cm

Kata kunci: Tanah Sawah, Bahan Organik, C-organik