Results 11 to 20 of about 1,140,531 (248)

PENGARUH PEMBERIAN PUPUK ROCK PHOSPHATE TERHADAP PRODUKSI TANDAN BUAH SEGAR (TBS) KELAPA SAWIT (Elaeis guineensis. Jacq)

open access: yesJurnal Ilmiah Pertanian, 2018
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   +8 more sources

A Molecule of the Viridomycin Family Originating from a Streptomyces griseus-Related Strain Has the Ability to Solubilize Rock Phosphate and to Inhibit Microbial Growth [PDF]

open access: yesAntibiotics, 2021
Some soil-borne microorganisms are known to have the ability to solubilize insoluble rock phosphate and this process often involves the excretion of organic acids.
Hanane Hamdali   +6 more
doaj   +2 more sources

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   +1 more source

Research progress in activation of phosphorus containing substances and remediation of heavy metal pollution in soil [PDF]

open access: yesE3S Web of Conferences, 2020
The phenomenon of soil phosphorus deficiency in China is very serious, which limits the agricultural production in China. Low molecular weight organic acids and phosphorus solubilizing microorganisms are widely distributed in the soil, and can be used as
Na Wang
doaj   +1 more source

Characteristics of Infrared Radiation in the Failure of Phosphate Rock at Different Loading Rates

open access: yesFrontiers in Earth Science, 2022
Safe and effective mining of phosphate rock plays an important role in the sustainable development of phosphorus resources. The mechanical properties and failure process of phosphate rock under different mining rates remain unclear, further restricting ...
Chengcheng Gao   +9 more
doaj   +1 more source

A preliminary study on the formation conditions and weathering leaching enrichment mechanism of secondary phosphorite in the Xinhua phosphate mining area, Zhijin, Guizhou

open access: yes地质科技通报, 2022
The Xinhua phosphate mining are alocated in Zhijin County, Guizhou Province, is a famous superlarge low-grade phosphate deposit containing rare earth elements in the southwest of China.The average P2O5 grade of the deposit is 17.22%.The proven ...
Kunping Liang   +4 more
doaj   +1 more source

Effect of organic and inorganic additives on some chemical properties of vermicompost, earthworm’s biomass and reproduction [PDF]

open access: yesIran Agricultural Research, 2018
The enrichment of bedding for vermicomposting systems with organic and inorganic additives is a technique which can promote the quality of produced vermicompost.
A. Khosravi, M. Zarei
doaj   +1 more source

Effects of Mixing Hyperaccumulated Straw and Phosphate Rock Powder on Cd Content in Chinese Cabbage [PDF]

open access: yesE3S Web of Conferences, 2019
In this paper, hyperaccumulator straw (Solanum nigrum L., Amaranthus chinense L., and Siegesbeckia orientalis L.) and phosphate rock powder were selected as materials, a pot experiment was used to study the effects of three compounding modifiers on the ...
Luo Xian   +6 more
doaj   +1 more source

Phosphorus availability and exchangeable aluminum response to phosphate rock and organic inputs in the Central Highlands of Kenya

open access: yesHeliyon, 2021
Soil acidity and phosphorus deficiency are some of the constraints hampering agricultural production in tropical regions. The prevalence of soil acidity is associated with phosphorus (P) insufficiency and aluminum saturation.
J.A. Omenda   +4 more
doaj   +1 more source

SIGNIFICANCE OF APPLIED SOME SOIL AMENDMENTS AND PHOSPHATE DISSOLVING BACTERIA FOR ENHANCING THE AVAILABILITY OF PHOSPHATE IN A CALCARIOUS SOIL [PDF]

open access: yesFayoum Journal of Agricultural Research and Development, 2011
A field experiment was carried out on a Private Farm at Salah El-Din,El-Bostan (30° 43 ֿ 25° 14 ֿ N and 30° 17 ֿ 23° 94 ֿ E, elevation 14 m),Nobaria, El-Behiera Governorate, Egypt during the two successive growingseasons of 2008/2009 and 2009/2010.
Awatef A. Mahmoud   +2 more
doaj   +1 more source

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