Artikel dari Penerbit "University of Lampung"

Penerbit: University of Lampung

Menampilkan semua artikel dari penerbit ini.

Ditemukan 665 artikel.

Variability of Soybean [glycine max (L) Merr] Growth in Relation to Chemical Properties of Ultisol from East Lampung

Oleh: Taufiq, Abdullah, Wijanarko, Andy

Acidic dry land in Lampung is potential for soybean development area. Low soybean yield in farmer level is one of factor causing its’ low competitiveness. Soil fertility is the main constrain related to low yield of soybean. Objective of the research was to diagnose a cause of poor soybean gr...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 37-43

Quality of Soil and Yield of Food Crops in Ultisols Due to Application of Manure and Source of Phosphate Fertilizer

Oleh: Soelaeman, Yoyo, Haryati, Umi

Acid upland soil in Indonesia has a potential for agricultural development but it has constraints low of organic C and available P as well as the soil physical properties have been degraded. The use of manure and direct application phosphate rock (PR) was an alternative to improve land productivity ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 45-52

Increasing Growth and Yield of Upland Rice by Application of Vesicular Arbuscular Mycorrhizae and Potassium Fertilizer

Oleh: Natawijaya, Dedi

Field experiment with a split plot design has been carried out in order to assess the growth characteristics and yields, and effectiveness of MVA upland rice which were given potassium fertilizer in two growing seasons. MVA inoculation consisted of three treatments (without MVA, Glomus sp. and Gigas...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 53-60

Inhibiting Factors of Land Suitability for Piper nigrum L. in a Hilly Area of Tirtomoyo District, Central Java

Oleh: Mujiyo, Mujiyo, Sutarno, Sutarno, Suwarto, Suwarto

Pepper (Piper nigrum L.) has a high selling value. The price of pepper in the domestic or international market that is always high can be a great opportunity to increase farmers’ income. Tirtomoyo District is dominated by hilly areas with common soil types of Litosol and Latosol. As one of th...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 25 No. 1: January 2020; 29-37

The Growth of Oil Palm Seedlings using a Combination Medium of Organic Oil Palm Empty Fruit Bunch and NPK Fertilizer at Main Nursery

Oleh: Hapsoh, Hapsoh, Dini, Isna Rahma, Wawan, Wawan

Oil palm (Elaeis guineensis Jacq.) holds a very strategic role in the Indonesia economy. Plants that have reached the economical age of 25 years need to be replanted using qualified oil palm seedling. The qualified seedling is obtained through proper fertilization. The combination of NPK fertilizer ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 25 No. 2: May 2020; 61-69

A Site-Specific Fertilizer Recommendation Based on the Phosphorus and Potassium Status in Mempawah District, West Kalimantan

Oleh: Hatta, Muhammad

The recommendations of Phosphorus (P) and Potassium (K) fertilization for rice are still not site-specific yet due to a lack of required soil data information.  The P and K status of the paddy fields that provide information on the low, medium, and high P and K nutrient status are very useful for...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 25 No. 2: May 2020; 93-106

The Reactions of Common Chemical Fertilizers in An Ultisol and Their Effects on Cowpea Performance

Oleh: Bunmi, Oyeyiola Yetunde, Ajayi, Omueti John

Chemical fertilizers (CF) are the major input on arable farms in Nigeria. Current increasing rate of nutrient depletion in CF treated soils calls for the need to study their reactions in soils. To achieve this, three CF based treatments, namely NPK 15:15:15 applied at 40 kg P2O5 ha-1, Urea applied a...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 24 No. 1: January 2019; 25-32

Soil Microbial Activity and Diversity in Response to Soil Chemical Factors in Agricultural Soils

Oleh: Ishak, Lily, Brown, Philip Hugh

The role of microbial communities in maintaining soil health is mostly influenced by chemical condition of soil. Microbial communities vary in response to soil chemical factors. The contradictive results from previous findings emphasise that it is difficult to define a pattern of the influence of so...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 24 No. 1: January 2019; 43-51

Soil Fertility Properties and Rice Biomass Production Under Three Rice Farming Systems at Vertisols Sambung Macan Sub District, Sragen Regency

Oleh: Sukristiyonubowo, ., Riyanto, Damasus, Widodo, Sugeng

The farmers realize that green revolution technology with high inputs is no longer sustainable. They want to move to other rice farming systems. The aim of research was to study soil chemical-physical characteristics and rice productions under  three  rice farming systems. This study was condu...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 24 No. 1: January 2019; 17-23

Biochar Based Soil Amendment Formulation for Improvement Upland Acidic Soil in East Lampung: Soil Properties and Maize (Zea Mays) Yield

Oleh: Nurida, Neneng Laela, Jubaedah, .

Many of soil amendment formulations (as a biochar based) have been tested in Indonesian Soil Research Institute greenhouse experiment to improve its effectiveness in the soil, though field experiments were still needed to measure more about its effectiveness. The objectives of this research are to s...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 24 No. 1: January 2019; 33-41

Hak dan Perizinan Penggunaan Karya

1. Lisensi Penggunaan:

Seluruh artikel yang dipublikasikan melalui portal ini tunduk pada lisensi Creative Commons atau lisensi lain yang ditetapkan oleh masing-masing jurnal. Pengguna diharapkan untuk merujuk pada kebijakan lisensi spesifik pada laman asli jurnal.

2. Tanggung Jawab Pengguna:

Pengguna bertanggung jawab penuh untuk memastikan bahwa setiap bentuk sitasi, penggunaan kembali, dan distribusi karya telah sesuai dengan ketentuan perizinan yang berlaku.

Pernyataan Hak Cipta

1. Kepemilikan Hak Cipta:

Hak cipta untuk setiap artikel yang ditampilkan di portal ini sepenuhnya dimiliki oleh penulis dan/atau penerbit jurnal asli. Penyertaan artikel dalam agregator ini tidak menandakan transfer hak cipta.

2. Izin Penggunaan:

Setiap penggunaan komersial atau non-komersial dari materi di luar cakupan lisensi yang tertera harus mendapatkan izin langsung dari pemegang hak cipta yang sah.

Pemberitahuan Privasi

1. Pengumpulan Data:

Kami berkomitmen untuk melindungi privasi Anda. Informasi pribadi yang dikumpulkan selama proses registrasi atau interaksi lain, seperti nama dan alamat email, hanya akan digunakan untuk tujuan administratif dan operasional internal portal.

2. Penggunaan dan Keamanan Data:

Data pengguna tidak akan dibagikan, dijual, atau dialihkan kepada pihak ketiga tanpa persetujuan eksplisit, kecuali diwajibkan oleh hukum yang berlaku. Kami menerapkan langkah-langkah keamanan yang wajar untuk melindungi data Anda dari akses tidak sah.

Syarat dan Ketentuan Penggunaan

1. Penerimaan Syarat:

Dengan mengakses dan memanfaatkan layanan Portal Agregator Jurnal Universitas Lampung, Anda dianggap telah membaca, memahami, dan menyetujui untuk mematuhi semua syarat dan ketentuan yang berlaku.

2. Penggunaan yang Bertanggung Jawab:

Anda setuju untuk menggunakan informasi yang diperoleh dari portal ini secara etis dan sesuai dengan norma akademik. Penyalahgunaan layanan, termasuk plagiarisme, pelanggaran hak cipta, atau aktivitas ilegal lainnya, dilarang keras.

Kebijakan Penggunaan Cookie

1. Fungsionalitas Situs:

Situs web ini menggunakan cookie esensial untuk memastikan fungsionalitas dasar dan meningkatkan pengalaman navigasi Anda, seperti mengingat preferensi sesi dan status login.

2. Persetujuan Pengguna:

Dengan melanjutkan penggunaan portal ini, Anda dianggap menyetujui implementasi kebijakan cookie kami. Kami tidak menggunakan cookie untuk melacak aktivitas di luar platform ini atau untuk tujuan periklanan.