نتایج جستجو برای: 15cm but soil acidity
تعداد نتایج: 2214940 فیلتر نتایج به سال:
in temperate forests canopy gaps play an important role in driving stand dynamics. the purpose of this research was to compare soil characteristics in forest gaps with several size and its relation to beech regeneration density in lalis forest, chalous. in order to investigate factors, three gap sizes as small gap (200 m2), medium gap (400 m2), and large gap (600 m2) with three replicate were s...
2175 Soil Sci. Soc. Am. J. 74:2175–2186 Published online 21 Sept. 2010 doi:10.2136/sssaj2009.0267 Received 15 July 2009. *Corresponding author ([email protected]). © Soil Science Society of America, 5585 Guilford Rd., Madison WI 53711 USA All rights reserved. No part of this periodical may be reproduced or transmitted in any form or by any means, electronic or mechanical, includi...
80% of arable land in Africa has low soil fertility and suffers from physical soil problems. Additionally, significant amounts of nutrients are lost every year due to unsustainable soil management practices. This is partially the result of insufficient use of soil management knowledge. To help bridge the soil information gap in Africa, the Africa Soil Information Service (AfSIS) project was est...
The Present Study was undertaken to assess Depth Wise Studies of Physico-Chemical Properties Soil under Different Land Use System main campus university at Acharya Narendra Deva University Agriculture and Technology, Kumarganj, Ayodhya (U.P.) during 2018-2019.
 samples were collected RWCS (Rice-Wheat cropping system), LBCS (Legume based VBCS (Vegetable System).The land use systems selected...
Tests have been conducted to determine the effect of liming and magnesium treatment on the content of magnesium, calcium and iron in broad bean plants growing on soil polluted with such heavy metals as cadmium, lead, nickel, copper and zinc. In 2005, an experiment was conducted in the village Zagaje Stradowskie (Œwiêtokrzyskie Province) on degraded Chernozem formed from loess, acid in reaction ...
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