Delineating site-specific management zones for pH-induced iron chlorosis
نویسندگان
چکیده
منابع مشابه
EZZone – An Online Tool for Delineating Management Zones
Management zones are a pillar of Precision Agriculture research. Spatial variability is apparent in all fields, and assessing this variability through measurement devices can lead to better management decisions. The use of Geographic Information Systems for agricultural management is common, especially with management zones. Although many algorithms have been produced in research settings, no o...
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Site-specific management requires the development of agronomic strategies for sub-field management zones that are subject to a unique combination of potential yield-limiting factors. Creation of unique management areas has focused mainly on soil type surveys, yield mapping, and soil fertility management based on grid soil sampling. This paper discusses the use of the fuzzy k-means unsupervised ...
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early in the season were less legetative than thobe taken in August and September. The light intensity and light duration to completely keep the standard cultivars vegetatile is 10 to 20 foot-candles for one hour in the middle of the night. A recent experiment on ‘Paul Mikkelsen’ grown at 70’ F revealed that lighting for four hours (10 p.m. to 2 a.m.) with a minimum of 10 foot-candles is necess...
متن کاملThe Phosphorus-Iron Relationship in Genetical Chlorosis.
Variegation of leaves is found widely distributed in the genera of the plant kingdom. Many forms are of great intrinsic beauty and are therefore a common feature in estates and gardens. The chlorotic areas usually appear as pale edges of varying width and regularity around and overlying an otherwise apparently normal green leaf, but very often whole leafy branches may appear colourless while ot...
متن کاملLime-Induced Chlorosis
Lime-induced iron chlorosis in citrus and avocado trees may be controlled by chelating agents, such as EDTA-ethylene-diaminetetraacetic acid. Chelating agents have the ability to form complex compounds with metal ions-iron, zinc, manganese, and magnesium-holding the metals in a soluble form in various degrees of tenacity. Iron is held most firmly and, for this reason, the prospects may be best ...
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ژورنال
عنوان ژورنال: Precision Agriculture
سال: 2008
ISSN: 1385-2256,1573-1618
DOI: 10.1007/s11119-008-9059-z