Results 71 to 80 of about 164,045 (176)

Analisis Faktor-faktor Dominan yang Mempengaruhi Keputusan Ekonomi Rumahtangga Petani Padi Sawah di Kecamatan Sabak Auh Kabupaten Siak

open access: yesSorot, 2018
Penelitian ini bertujuan untuk menganalisis faktor-faktor dominan yang mempengaruhi keputusan ekonomi rumahtangga petani padi sawah di Kecamatan Sabak Auh Kabupaten Siak.
Talitha Dwi Zara   +2 more
doaj   +1 more source

Pengaruh Penggunaan Tepung Biji Nimba Terhadap Hama Putih Palsu (Cnaphalocrosis Medinalis Guenee) Dan Hasil Pada Sistem Mina Padi Effects of Neem Seed Flour Utilization to the Leaffolder Cnaphalocrosis Medinalis Guenee and Yield on Rice-fishery System [PDF]

open access: yes, 2004
Penelitian telah dilakukan untuk mengetahui pengaruh penggunaan tepung biji nimba terhadap: 1) populasi hama putih palsu, 2) intensitas serangan hama putih palsu, dan 3) hasil panen pada sistem budidaya padi monokultur, mina padi penyelang dan tumpang ...
Sudjarwo, S. (Sudjarwo)
core  

Commodity risk assessment of Petunia spp. and Calibrachoa spp. unrooted cuttings from Uganda

open access: yesEFSA Journal, Volume 24, Issue 1, January 2026.
Abstract The European Commission requested the EFSA Panel on Plant Health to evaluate the likelihood of pest freedom at entry in the EU, including both regulated and non‐regulated pests, potentially associated with unrooted cuttings of the genera Petunia and Calibrachoa produced under physical isolation in Uganda.
EFSA Panel on Plant Health (PLH)   +34 more
wiley   +1 more source

Drought Severity and its Effect on Agricultural Production in the Hungarian-Serbian Cross-Border Area

open access: yesJournal of Environmental Geography, 2014
Several environmental and economic consequences of drought and the accompanying water shortage were observed in the plain area of the Carpathian Basin in the last decades.
Fiala Károly   +6 more
doaj   +1 more source

ANALISA INDEX VEGETASI NDVI DAN MCARI UNTUK PENENTUAN TUTUPAN LAHAN SAWAH STUDI KASUS: KABUPATEN KARAWANG

open access: yesGeoid, 2015
Penginderaan jauh merupakan suatu ilmu atau teknologi untuk memperoleh informasi atau fenomena alam melalui analisis suatu data yang diperoleh dari hasil rekaman obyek, daerah ataufenomena yang dikaji.
Hisyam Wardana   +2 more
doaj   +1 more source

Eksistensi Hama Putih Palsu (Cnaphalocrosis Medinalis Guenee) Dan Pengaruhnya Pada USAha Tani Padi Di Kabupaten Banyumas Prevalence of the Leaf Folder (Cnaphalocrosis Medinalis Guenee) and Its Effect on Rice Farming in Banyumas Regency [PDF]

open access: yes, 2003
Penelitian telah dilakukan di sentra tanaman padi wilayah Kabupaten Banyumas, mulai bulan September 2001 sampai dengan Pebruari 2002. Tujuan penelitian adalah untuk mengetahui populasi dan intensitas serangan hama putih palsu (Cnaphalocrosis medinalis ...
Ardiyanto, L. (Leo)   +2 more
core  

Synthesis of Aza‐indeno‐aza‐fluoranthene and Constitutional Isomers by Ring‐Size Selective C–H Activation

open access: yesChemistry – A European Journal, Volume 31, Issue 72, December 23, 2025.
A series of constitutional isomers of aza‐indeno‐aza‐fluoranthene with different ring sizes has been synthesized. Their product distribution was controlled by adjusting parameters such as base, temperature, solvent, or additive in the Pd‐catalyzed direct arylation step, thereby providing an overview about the options to control ring‐size selectivity in
Christoph Keck   +4 more
wiley   +1 more source

Viral Systemic Movement Is Enhanced by Alteration of a Structural Phloem Protein by the Insect Vector

open access: yesAdvanced Science, Volume 12, Issue 45, December 4, 2025.
Aphids release salivary protein GLD into plants, which induces ROS in the phloem. This leads to the intermolecular disulfide bonds formation among SEO proteins, promoting their transition from the dispersed state to the aggregated state. SEO can interact with CMV CP.
Huijuan Guo   +7 more
wiley   +1 more source

Analisis Perbandingan Pendapatan Usahatani Padi Konsumsi dan Penangkar Benih di Desa Pelanglor Kecamatan Kedunggalar Kabupaten Ngawi

open access: yesJurnal Pertanian Terpadu
Kabupaten Ngawi penyumbang pangan padi Jawa Timur sebesar 50% dengan produksi sebesar 778 ribu ton. Kebutuhan benih padi terus meningkat seiring dengan peningkatan luas tanam dengan kebutuhan benih padi per hektar berkisar antara 25-29 kg/ha. Penelitian
Ernik Ernawati   +2 more
doaj   +1 more source

Insecticides outweigh rye cover crop in triggering secondary pest outbreaks

open access: yesPest Management Science, Volume 81, Issue 12, Page 7971-7984, December 2025.
Insecticides outweigh rye cover crop in triggering secondary pest outbreaks. Zeus Mateos‐Fierro*, Ashley Leach, Ian Kaplan. Spider mite and melon aphid outbreaks are enhanced with broad‐spectrum insecticides, while natural enemies are reduced. However, rye cover crop has little effect on either pest or natural enemy populations.
Zeus Mateos‐Fierro   +2 more
wiley   +1 more source

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