Results 111 to 120 of about 280,238 (236)

Effects of ferrous toxicity on seedling traits and ion distribution pattern in upland and low land rice under hydroponic conditions [PDF]

open access: yes, 2016
Environmentally, nutritional disorders are the major constraints due to the change in soil pH for rice crop cultivated under different irrigation system.
Fauzi, Norshila   +4 more
core  

Modern and Ancient Genomes Reveal Neolithic Paternal Expansions of Millet and Rice Farmers and Demic Diffusion from China into Mainland Southeast Asia

open access: yesAdvanced Science, EarlyView.
This study clarifies the genetic patterns of paternal lineages across East Asia and Mainland Southeast Asia. Han populations are relatively homogeneous, whereas southern ethnolinguistic minorities display regional structures. Shared Y‐chromosome lineages indicate Neolithic expansions and extensive north‐south gene flow, supporting demic diffusion ...
Yunhui Liu   +15 more
wiley   +1 more source

A HEDONIC MODEL OF RICE TRAITS: ECONOMIC VALUES FROM FARMERS IN WEST AFRICA [PDF]

open access: yes
New crop varieties often have been promoted in developing countries based upon superior yield vis-a-vis locally available varieties. This research presents a hedonic model for upland rice by drawing upon the input characteristics and consumer good ...
Dalton, Timothy J.
core   +1 more source

Growth, physiological and biochemical responses of Malaysia rice cultivars to water stress [PDF]

open access: yes, 2009
The response of water deficit on rice plants varies substantially according to cultivars. Drought tolerant cultivars possess better morphological, physiological and biochemical adaptation to reduce water availability. An experiment involving water stress
Baharudin, Wan Mohammad Zukarnain   +4 more
core  

Thailand Releases New Rice Varieties

open access: yes, 1978
This article 'Thailand Releases New Rice Varieties' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based ...
openaire   +1 more source

BACKGROUND TO THE INTRODUCTION OF HIGH YIELDING VARIETIES OF RICE IN THAILAND [PDF]

open access: yes
This paper describes Thailand's experience to date with new technology in rice, namely new high yielding varieties with associated inputs, which forms one part of the "green revolution." First, the historical background in exports, production, and ...
Tongpan, Sopin, Welsch, Delane E.
core   +1 more source

Rice and Water: The Final Frontier [PDF]

open access: yes, 2004
Outlines the threat of diminishing water resources for rice crops, the economic and social dimensions of the droughts' potential effects, and the new cultural systems and adapted rice varieties being pursued as potential ...
John C. O'Toole
core  

Nepal Releases Nine Rice Varieties

open access: yes, 1988
This article 'Nepal Releases Nine Rice Varieties' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping ...
openaire   +1 more source

Effects of High-Quality Aromatic Rice Varieties on the Fitness of the Striped Stem Borer, Chilo suppressalis (Walker) in Central China

open access: yesJournal of Integrative Agriculture, 2013
The striped stem borer (SSB), Chilo suppressalis (Walker) (Lepidoptera: Pyralidae), is a major pest of rice in China. Variation in host-plant quality may affect the body size of herbivorous insects, which in turn, can determine their life-history ...
Xue-zhu DU   +5 more
doaj   +1 more source

Ketahanan Dua Puluh Satu Varietas Padi Terhadap Penyakit Hawar Daun Bakteri [PDF]

open access: yes, 2009
Resistance of twentyone rice varieties to Bacterial Leaf Blight. Bacterial leaf blight is one of the most important diseases of rice plants. Resistant Variety is one of safe, effective, and environment friendly alternative controls to suppress the ...
Fatichin, H. A. (Heru)
core  

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