Results 11 to 20 of about 160,326 (161)

Rock geochemistry induces stress and starvation responses in the bacterial proteome [PDF]

open access: yes, 2016
Interactions between microorganisms and rocks play an important role in Earth system processes. However, little is known about the molecular capabilities microorganisms require to live in rocky environments.
Anderson   +32 more
core   +1 more source

Rohphosphatmobilisierung von Sommerweizen, Weißlupine und Ackerbohne in einer Fruchtfolge [PDF]

open access: yes, 2005
In organic farming rock phosphate is used as a mineral P fertilizer, although the agronomic efficiency is limted. The objective of this study was to investigate in field and pot experiments the mobilization of rock phosphate by P-efficient plants (white ...
Leithold, Prof. Dr. Guenter   +4 more
core  

Pertumbuhan Tanaman Dan Kadar Kalsium Hijauan Sorgum Manis (Sorghum Bicolor (L).moench) Dengan Pemupukan Fosfat Dan Organik (Plant Growth and Calsium Content of Sweet Sorghum Forage (Sorghum Bicolor (L). Moench) with Phosphate and Organic Fertilization) [PDF]

open access: yes, 2014
The aim of this study was to examine the effect of phosphate and organic fertilization on the growth and calsium (Ca) content of sorghum forage. The materials in this study were sweet sorghum seeds, manure, manure \u27plus\u27 (manure + rock phosphate ...
Benowo, F. E. (Fendias)   +2 more
core  

Peak phosphorus: Clarifying the key issues of a vigorous debate about long-term phosphorus security [PDF]

open access: yes, 2011
This paper reviews the latest information and perspectives on global phosphorus scarcity. Phosphorus is essential for food production and modern agriculture currently sources phosphorus fertilizers from finite phosphate rock.
Cordell, D, White, S
core   +2 more sources

Source-tracking cadmium in New Zealand agricultural soils: a stable isotope approach [PDF]

open access: yes, 2017
Cadmium (Cd) is a toxic heavy metal, which is accumulated by plants and animals and therefore enters the human food chain. In New Zealand (NZ), where Cd mainly originates from the application of phosphate fertilisers, stable isotopes can be used to trace
Salmanzadeh, Mahdiyeh
core  

Partial acidulation of phosphate rock for enhanced phosphorus availability in alluvial soils of Bihar, India [PDF]

open access: yes, 2016
The present study was undertaken to fractionate partially acidulated phosphate rock (PAPR) and evaluate its effect on Phosphorus availability in alluvial soils.
Beura, Kasturikasen   +3 more
core   +2 more sources

Use of cadmium isotopes to distinguish sources of cadmium in New Zealand agricultural soil: Preliminary results [PDF]

open access: yes, 2016
In New Zealand’s agricultural soils, phosphate fertiliser applications are the main source of cadmium (Cd). In 1997, the NZ fertiliser industry discontinued sourcing rock phosphate from Nauru (about 450 mg Cd/ Kg P) and began producing superphosphate ...
Balks, Megan   +5 more
core  

Respon Pemberian Pupuk Rock Phosphate terhadap Pertumbuhan Biji Kecambah Kelapa Sawit (Elaeis Guineensis Jacq) [PDF]

open access: yes, 2019
Penelitian ini bertujuan untuk mengetahui pengaruh dosis pupuk kimia rock phosphate yang terbaik terhadap pertumbuhan bibit kelapa sawit (Elaeis guineensis Jacq) di pembibitan awal biji kecambah pre- nursery.
Daryono, D. (Daryono)
core  

Applying Hubbert Curves and Linearization to Rock Phosphate [PDF]

open access: yes
Rock phosphate is a critical, nonrenewable resource for which there is no known substitute in agriculture. Cordell, Drangert, and White (2009) use Hubbert methodology (1956) to estimate the peak--the year after which production will monotonically decline-
Cullen S. Hendrix
core  

Peran Fungi Mikoriza Arbuskula Dan Pupuk Rock Fosfat Terhadap Pertumbuhan Dan Produksi Kedelai (Glycine Max (L.) Merrill) [PDF]

open access: yes, 2014
The objective of the research was to study to determine the effect of arbuscular mychorrhizal fungi(AMF). This research conducted at society field Setiabudi, Medan Tuntungan, in May-July2013using factorial randomized block design with two factor.
Hasanah, Y. (Yaya)   +2 more
core  

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