Foliar Nutrition of Fruit Crops

Swietlik, Dariusz; Faust, Miklos

doi:10.1002/9781118060797.ch8

Cited by 68 publications

(44 citation statements)

References 198 publications

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“…This concentration effect increases the reactivity and absorption of the deposited material. However, evaporation to dryness strongly reduces these processes (Swietlik and Faust 1984). Models of aerosol deposition must account for the greater size, mass, and likelihood of deposition by impaction of hydrated particles, relative to particles measured in the free atmosphere (Ruijgrok et al 1997;Zhang et al 2001).…”

Section: The Role Of Air Humiditymentioning

confidence: 99%

Plants and Atmospheric Aerosols

Burkhardt

Grantz

2016

Progress in Botany

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Section: The Role Of Air Humiditymentioning

confidence: 99%

Plants and Atmospheric Aerosols

Burkhardt

Grantz

2016

Progress in Botany

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“…Hence, application of any additive into the solution reduces the surface tension and increases the area for the absorption of solute. Various surfactants or adjuvants are commercially used to improve the absorption of foliar applied nutrients in fruit crops including citrus (Neumann and Prinz 1974 ;Swietlik and Faust 1984 ) .…”

Section: Mechanism Of Nutrient Uptakementioning

confidence: 99%

Surfactant and Nutrient Uptake in Citrus

Singh

Khan

2012

Advances in Citrus Nutrition

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Generally roots not only provide anchorage and support to plants but also help to absorb water and nutrients from the soil. The roots and shoots of plants including citrus are functionally separate but mutually dependent. The roots absorb water and mineral nutrients from the soil and transport to the areal parts including shoots and leaves. In return the shoots supply photosynthates to the roots. Presently the need of absorption of inorganic nutrients through plant leaves has AbstractThe availability of essential nutrients in appropriate amount ensures the growth, productivity and quality for sustainable production of tree fruits including citrus. The essential mineral element below the critical level adversely affects growth and yield even other minerals are within optimum range. A balanced and continuous supply of the essential nutrients is a key for citrus growers to ensure pro fi tability. Soil application is recommended for most of the macronutrients such as N, P and K, as these are required in large quantities. However, the soil application leads to nutrient losses through runoff, leaching and fi xation. Therefore, the foliar application is considered as an attractive alternative to the soil application of essential nutrients. Particularly, the trace elements which are required in small quantity are preferably applied through the foliar sprays. Nutrients applied through the foliar spray are directly absorbed though leaves and have several positive attributes. Foliar application can reduce overall fertiliser application rate and energy use, improve nutrient uptake and reduce underground water pollution. The ef fi ciency of foliar application of nutrients can further be enhanced with the addition of surfactants or adjuvant into the spray solution. Surfactants can be classi fi ed into various groups on the basis of their composition such as cationic, anionic, non-ionic, zwitterionic or ampholytic. The surfactants are widely used in foliar application of both macro-and micronutrients. This chapter reviews the available information about the use of surfactants in the foliar application of mineral elements in citrus with special reference to nitrogen (N), calcium (Ca), iron (Fe), zinc (Zn), boron (B) or copper (Cu).

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“…Hence, Zn is the most widely used micronutrients for the cultivation of fruit crops; attributable to its effect on biosynthesis of tryptophan, a precursor of indole-3-acetic acid (Tariq et al 2007). Rosetting is the other characteristic symptom of Zn deficiency in fruit trees (Swietlik 2002). Zn deficiency, in citrus, is described by a number of names such as 'frenched leaf', 'frenching', 'mottle leaf' etc.…”

Section: Introductionmentioning

confidence: 99%