Results 21 to 30 of about 1,140,463 (247)

EFFECT OF ROCK PHOSPHATE AND SUPERPHOSPHATE APPLICATION WITH ORGANIC MANURES ON GROWTH, YIELD AND QUALITY OF POTATO (Solanum tuberosum L.) [PDF]

open access: yesJournal of Plant Production, 2000
Two field experiments were carried out at El-Zahraa, Belqas, Dakahlia Governorate, Egypt, during the two summer seasons of 1997 and 1998 on potato cv.
H. Abd El-Salam, E. El-Banna
doaj   +1 more source

Use of filter cake enriched with rock phosphate and biofertilizers in a Haplustox soil

open access: yesPesquisa Agropecuária Tropical, 2014
The use of biofertilizers associated with organic compound and phosphate rock can increase the availability of phosphorus in the soil, due to the increase of the microorganisms population. This study aimed at evaluating the effect of filter cake enriched
Leónides Castellanos González   +4 more
doaj   +1 more source

The Use of Extract Banana Corm and Phosphate Rock to Increase Available-P in Alfisols

open access: yesSains Tanah: Journal of Soil Science and Agroclimatology, 2015
The aim of this research is to study the approprite formula and applied method of banana corm and phosphate rock on available-P in Alfisols. The research was arranged in factorial completely randomized design with 3 factors.
Slamet Minardi   +3 more
doaj   +1 more source

EFFECT OF CYANOBACTERIA, AND PHOSPHATE DISOLING BACTERIA INOCULATION ON IMPROVING PEANUT PRODUCTIVITY IN PRESENCE OR ABSENCE OF DIFERENT RATES OF ROCK PHOSPHAE FERTILIZER UNDER SANDY SOIL CONDITION [PDF]

open access: yesJournal of Agricultural Chemistry and Biotechnology, 2008
A field experiment was carried out in a sandy soil at EL- Ismailia Agric. Res. Station,   EL- Ismailia Governorate, (A R C), Giza, Egypt, during the summer season of 2005 to study the effect of inoculation with cyanobacteria and phosphate dissolving ...
Sh. M. Abd EL-Rasoul   +3 more
doaj   +1 more source

Studies on factors affecting the dissolution of low grade rock phosphates in rice solis

open access: yesMadras Agricultural Journal, 2004
An incubation study on the dissolution of rock phosphates with soils of different pH, was taken up at Tamil Nadu Agricultural University, Coimbatore. It was concluded from the experiment that the dissolution of Udaipur rock phosphate and Mussorrie rock ...
D.SELVI   +2 more
doaj   +1 more source

Assessment of in situ immobilization of Lead (Pb) and Arsenic (As) in contaminated soils with phosphate and iron: solubility and bioaccessibility [PDF]

open access: yes, 2010
The effect of in situ immobilization of lead (Pb) and arsenic (As) in soil with respectively phosphate and iron is well recognized. However, studies on combined Pb and As-contaminated soil are fewer, and assessment of the effectiveness of the ...
Du, Xin   +7 more
core   +1 more source

The Passivation Effect on Cd of Mixing of Hyperaccumulated Plant Straw and Phosphate Rock Powder in Cd Polluted Soil [PDF]

open access: yesE3S Web of Conferences, 2019
Soil culture experiments were carried out to study the effects of the mixture of cadmium (Cd) hyperaccumulator straw (Solanum nigrum L., Amaranthus chinense L., and Siegesbeckia orientalis L.) and phosphate rock on soil pH, available Cd content and soil ...
Luo Xian   +6 more
doaj   +1 more source

Influence of SP-36 and Phosphate Rock on Changes in Soil Available P, Leaf P Content, and Growth of Physic Nut (Jatropha curcas L.) in an Ultisol [PDF]

open access: yesJournal of Tropical Soils, 2014
A study was carried out to determine the effects of rates and types of P fertilizer (SP-36 and Phosphate Rock) on the growth of physic nut (Jatropha curcas L.), leaf P content, and soil available P in an Ultisol in a glasshouse.
Achmad Arivin Rivaie
doaj   +1 more source

Acoustic emission feature events during rock failure and their cumulative probability distribution: Case study of phosphate rock and granite

open access: yesFrontiers in Environmental Science, 2022
Rock mass failure is gradually becoming more common as the number of geotechnical engineering projects continues to increase. In this paper, the probability density distributions of initial and peak frequency events in the acoustic emission (AE) from two
Yi Zhang   +10 more
doaj   +1 more source

Maize yield influenced by the residual effects of sedimentary phosphates in high-calcium soil [PDF]

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2020
It was evaluated the residual effects of sedimentary phosphates associated with the annual application of phosphate on maize grown in Inceptisol soil with a high exchangeable calcium concentration and pH value of 6.0.
Richard M. de Souza   +2 more
doaj   +1 more source

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