Results 31 to 40 of about 40,209 (161)

EFFECT OF ARBUSCULAR MYCORRHIZAL FUNGI AND PHOSPHATE FERTILIZATION ON WHEAT YIELD AND ROOT SURFACE FUNGI Nivien A. Nafady*, Mohamed B. H. Mazen *, Ahmad M. Moharram*, Osama N. Massoud**, Samar A. Khallaf*** [PDF]

open access: yesAssiut University Journal of Multidisciplinary Scientific Research, 2018
The current study is designed to evaluate the effect of arbuscular mycorrhizal fungi (AMF) and phosphorus fertilizers (superphosphate & rock phosphate) on growth, productivity and nutrient uptake of wheat plants (Triticum aestivum L.).
doaj   +1 more source

EFFECT OF BIOFERTILIZER AND ROCK PHOSPHATE ON IRON AVAILABILITY IN SOIL AND THE IRON CONTENT OF LENTIL [PDF]

open access: yesMesopotamia Journal of Agriculture, 2011
Field experiment was conducted in Calciorthid to study the effect of biofertilizer( R. Leguminosarum mixture of the three rhizobial strains Le719, Le726 and Le735) and phosphate fertilizers as rock phosphate to determine the content of Iron in the ...
Mowafaq Younis Sultan
doaj   +1 more source

Potency of Agroindustrial Wastewaters to Increase the Dissolution of Phosphate Rock Fertilizers [PDF]

open access: yesJournal of Tropical Soils, 2014
The used of agroindustrial wastewaters are not maximum yet in Lampung Province, althought it can be used as an acid solvent because of its acidic properties.
Ainin Niswati, Sri Yusnaini, Sarno
doaj   +1 more source

Pengaruh Pemberian Pupuk Rock Phosphate terhadap Produksi Tandan Buah Segar (TBS) Kelapa Sawit (Elaeis guineensis Jacq)

open access: yesJurnal Ilmiah Pertanian, 2017
This study aimed to determine the effect of rock phosphate fertilizer with various doses of the production of oil palm fresh fruit bunches. Results from this study is the final conclusion of phosphate rock fertilizer does not affect the measurement of ...
Muhamad Rizal
doaj  

Kinetics of Carbothermal Reduction Process of Different Size Phosphate Rocks

open access: yesOpen Engineering, 2021
The effects of particle size on the apparent kinetics of carbothermal reduction process of phosphate rock were studied by non-isothermal thermogravimetric analyses.
Li Pengfei   +7 more
doaj   +1 more source

Kelarutan Pupuk Fosfat Alam dan Pengaruhnya terhadap Pertumbuhan dan Hasil Jagung pada Tanah Ultisols

open access: yesJournal of Tropical Soils, 2008
Phosphorus is a macro nutrients and it becomes the main limiting factor for maize growth on Ultisols. Rock phosphate is one of P fertilizer sources contains high P and Ca content, slow release and soluble under acid condition, suitable for acid soil. The
Antonius Kasno   +2 more
doaj  

Optimum Ratio of Fresh Manure and Grain Size of Phosphate Rock Mixture in a Formulated Compost for Organomineral NP Fertilizer

open access: yesJournal of Tropical Soils, 2012
The objective of multi years study was to formulate an alternative organic based fertilizer by mixing a fresh manureand phosphate rock with several different grain sizes conducted in the Field Experimental Station of the Universityof Lampung.
Yosa Triolanda Sari   +6 more
doaj  

Effect of heavy store dressing with rock phosphate on a fine sand soil

open access: yesAgricultural and Food Science, 1969
Results are reported of a long-term field trial on acid fine sand soil in which the effects of store dressing with rock phosphate in amounts of 0, 4000, 8000, or 12000 kg/ha was studied comparing them with an annual application of 200 kg/ha of ...
Armi Kaila
doaj  

Performance of pineapple slips inoculated with diazotrophic phosphate-solubilizing bacteria and rock phosphate

open access: yesRevista Ceres, 2014
Besides fixing N2, some diazotrophic bacteria or diazotrophs, also synthesize organic acids and are able to solubilize rock phosphates, increasing the availability of P for plants.
Lílian Estrela Borges Baldotto   +3 more
doaj   +3 more sources

Partially acidulated phosphate rock as fertiliser and dissolution in soil of the residual rock phosphate [PDF]

open access: yesNew Zealand Journal of Crop and Horticultural Science, 1987
Abstract A field trial was conducted for two years to determine the effectiveness of partially acidulated phosphate rock (PAPR) — in this instance, a reactive North Carolina rock acidulated with 20, 30, and 50% of the phosphoric acid needed for complete acidulation.
openaire   +1 more source

Home - About - Disclaimer - Privacy