SHORT COMMUNICATION: Agronomic effectiveness of novel phosphate fertilisers derived from an igneous Zimbabwe phosphate rock
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چکیده
منابع مشابه
Agronomic Effectiveness of Calcium Phosphate Recovered from Liquid Swine Manure
A new manure treatment technology developed as an alternative to anaerobic lagoons on swine (Sus scrofa domesticus) farms includes solid-liquid separation and subsequent recovery of soluble P as calcium phosphate from the wastewater. The objective was to determine the agronomic effectiveness of this calcium phosphate material. A greenhouse study was conducted with annual ryegrass (Lolium multif...
متن کاملPlant- and microbial-based mechanisms to improve the agronomic effectiveness of phosphate rock: a review.
Deficiency in plant-available phosphorus is considered to be a major limiting factor to food production in many agricultural soils. Mineral resources are necessary to restore soil phosphorus content. In regions where conventional fertilizers are not used due to cost limitations or to mitigate adverse environmental effects, local sources of phosphate rock are being increasingly recognized for po...
متن کاملMinerals that Host Metals at Dorowa Rock Phosphate Mine, Zimbabwe
This study set out to establish the major minerals at Dorowa and determine which of those are likely to host metals that may leach into surface and groundwater. This study comes after a preliminary assessment of the water quality in the Save River downstream of the Dorowa phosphate mine in Zimbabwe showed an increase in conductivity, iron content, manganese content, nitrates and hardness when c...
متن کاملThe Fate of Phosphate Fertilisers in Soil
Phosphorus is thus naturally available in the soil. However, there isn't usually enough available for plants to grow well. Phosphorus levels are reduced by animals eating the plants then dying elsewhere so that the phosphorus is removed, and also by phosphorus being adsorbed into soil particles or washed away by excess rain. For this reason phosphate fertilisers are widely used. The ways in whi...
متن کاملFroth flotation of phosphate rock
The development of froth flotation is traced from its earliest-known use through the discoveries leading to the present knowledge of the science. The factors influencing the flotation of non-sulfide and non-metallic minerals are discussed, and the machines used in commercial flotation operations are described. Experimental work on the flotation beneficiation of phosphate rock is presented as an...
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ژورنال
عنوان ژورنال: African Crop Science Journal
سال: 2004
ISSN: 2072-6589
DOI: 10.4314/acsj.v11i3.27573