THE ROLE OF SOME HUMIC ACID PRODUCTS IN REDUCING OF USE MINERAL FERTILIZERS AND IMPROVING SOIL PROPERTIES AND NUTRIENT UPTAKE | ||||
| Journal of Soil Sciences and Agricultural Engineering | ||||
| Article 2, Volume 1, Issue 8, August 2010, Page 765-774 PDF (391.93 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jssae.2010.75183 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| A H Rizk; A M Mashhour; E S. E Abd-Elhady; K M. A El-Ashri | ||||
| Soils and Water Dept., Fac. Agric., Al– Azhar Univ., Cairo, Egypt. | ||||
| Abstract | ||||
| A field experiment was carried out during winter season of 2009-2010 firstly to evaluate the effect of some commercial products of humic acid in reducing mineral fertilizer rates, improving some soil properties (bulk density, total porosity, available water, mean weight diameter and soluble ions), plant growth and nutrients uptake by broad bean plant. secondly is trying to reduce the mineral fertilizer application for their dangerous on general health and highly cost of these fertilizer, with improving production of important crops by natural material. The commercial compounds (Leq humus, Hammer, Wesko plus K, K-Promote and Commander) were added to soil by a rate 10 kg fed-1 plus half the general recommendation. The results could be summarized as follows: -The values of soil bulk density decreased as a result of application humic products as compared with the control (mineral fertilization only). -Soil total porosity and values of available water increased due to the treatments used. -The values of mean weight diameter and soluble ions increased due to the treatments. -The values of soil organic matter and available micronutrients increased due to the treatments. -The plant dry matter yield values (straw and seeds) increased with of humic treatments application -The treatments under investigation gave higher percentage values of macro and micronutrients (content and uptake) in straw of broad bean plants as compared to the control. | ||||
| Keywords | ||||
| Humic acid; plant growth and nutrients uptake | ||||
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