Contribution of non-exchangeable K in soils from Southern Brazil under potassium fertilization and successive cropping
نویسندگان
چکیده
منابع مشابه
Potassium status of two clayey calcareous soils treated with zeolite under wetting-drying cycles
Zeolite application to clayey soils may change potassium (K) pools distribution and its release rate. To test this hypothesis, two heavy-textured calcareous soils with different mineralogy (smectitic and mixed by XRD) from southern Iran were selected. Experiment was a completely randomized factorial arrangement. Treatments consisted of two soils and two zeolite levels (0 and 5%) and wetting-dry...
متن کاملشکلهای مختلف پتاسیم و روابط Q/I در خاک‌های تحت کشت آفتابگردان (منطقه خوی)
Successive cropping of potassium-demanding crops like sunflower leads to depletion of soil potassium (K). This study was conducted to investigate the different forms of K and quantity–intensity (Q/I) relationship for sunflower growing soils in Khoy region, West Azarbaijan province. Twenty composite soil samples were collected from different soil series. Different forms of K, including solution ...
متن کاملشکلهای مختلف پتاسیم و روابط Q/I در خاک‌های تحت کشت آفتابگردان (منطقه خوی)
Successive cropping of potassium-demanding crops like sunflower leads to depletion of soil potassium (K). This study was conducted to investigate the different forms of K and quantity–intensity (Q/I) relationship for sunflower growing soils in Khoy region, West Azarbaijan province. Twenty composite soil samples were collected from different soil series. Different forms of K, including solution ...
متن کاملChanges in Different Forms of Potassium and Clay Minerals in Soils as Influenced by Different Aged Orange Trees (Citrus sinensis) in Darab, Fars Province
Despite the great importance of potassium applied as a fertilizer in the orange orchards, no information is currently available regarding the rate of potassium release from rhizosphere and the bulk soils of such trees. The objectives of this study were to investigate the weathering of micaceous minerals and their non-exchangeable K release and also, to examine the status of different forms of K...
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ژورنال
عنوان ژورنال: REVISTA CIÊNCIA AGRONÔMICA
سال: 2018
ISSN: 1806-6690
DOI: 10.5935/1806-6690.20180062