Nutrient requirement, canopy development and fruit yield of high density guava (Psidium guajava L.) production in subtropics of Northern Karnataka

Mushtaq,; Kurubar, A.R.; Umesh, M.R.; Patil, Shekharagouda; Hugar, Ashok

doi:10.31018/jans.v11i2.1668

Cited by 1 publication

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“…e Indicative f c and plant height values from Philpott et al (2008) and Chemura et al (2017). f Indicative f c and plant height values from Singh et al (2007b) and Mushtaq et al (2019). g Ranges of values from Allen and Pereira (2009) and Jensen and Allen (2016).…”

Section: Tablementioning

confidence: 99%

Updated single and dual crop coefficients for tree and vine fruit crops

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Paredes

et al. 2021

Agricultural Water Management

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The present study reviews the research on the FAO56 crop coefficients of fruit trees and vines performed over the past twenty years. The main objective was to update information and extend tabulated single (K c ) and basal (K cb ) standard crop coefficients. The selection and analysis of the literature for this review have been done to consider only studies that adhere to FAO56 method, computing the reference ET with the FAO Penman-Monteith ET o equation and field measuring crop ET with proved accuracy. The crops considered refer to vine fruit crops, berries and hops, temperate climate evergreen fruit trees, temperate climate deciduous fruit trees and, tropical and subtropical fruit crops. Papers satisfying the conditions expressed above, and that studied the crops under pristine or appropriate eustress conditions, were selected to provide for standard K c and K cb data. Preference was given to studies reporting on the fraction of ground cover (f c ), crop height (h), planting density, crop age and adopted training systems. The K c and K cb values obtained from the selected literature generally show coherence relative to the crop biophysical characteristics and reflect those characteristics, mainly f c , h and training systems. The ranges of reported K c and K cb values were grouped according to crop density, particularly f c and h, and were compared with FAO56 (Allen et al., 1998) previously tabulated K c and K cb values, as well as by Allen and Pereira (2009) and Jensen and Allen (2016), which lead to define update indicative standard K c and K cb values. These values are aimed for use in crop water requirement computations and modeling for irrigation planning and scheduling, thus also aimed at supporting improved water use and saving in orchards and vines.

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