Nitrogen use efficiency by annual and perennial crops

C Carranca - Farming for food and water security, 2012 - Springer
The amount of nitrogen fertilizer applied to plants is usually large. Only part of this fertilizer,
of about 6–50%, is taken up by plants, depending on fertilizer, plant and soil type, climatic …

Nitrogen fertilization affects yield and fruit quality in pear

PB Sete, JJ Comin, MN Ciotta, JA Salume, F Thewes… - Scientia …, 2019 - Elsevier
Mineralized nitrogen (N) from organic matter and decomposing residues in most soils are
not always taken into account. Little is known about the correct N application dose for pear …

Insect pollination, more than plant nutrition, determines yield quantity and quality in apple and pear

PL Hünicken, CL Morales, N García… - Neotropical …, 2020 - Springer
Agricultural yield is the result of multiple factors and ecological processes (eg, pollination,
fertilization, pest control). Understanding how the different factors interact is fundamental to …

Elevated carbon dioxide and temperature effects on rice yield, leaf greenness, and phenological stages duration

N Figueiredo, C Carranca, H Trindade… - Paddy and Water …, 2015 - Springer
The present field experiment was conducted during two consecutive cropping seasons in
central Portugal to study the effects of simultaneous elevation of carbon dioxide …

[HTML][HTML] The pear tree response to phosphorus and potassium fertilization

G Brunetto, G Nava, VG Ambrosini, JJ Comin… - Revista Brasileira de …, 2015 - SciELO Brasil
The aim of this study was to evaluate the response to phosphorus (P) and potassium (K)
fertilization and to establish the critical levels of P and K in the soil and in the plant tissue in …

Adaboost-based machine learning improved the modeling robust and estimation accuracy of pear leaf nitrogen concentration by in-field VIS-NIR spectroscopy

J Wang, W Xue, X Shi, Y Xu, C Dong - Sensors, 2021 - mdpi.com
Different cultivars of pear trees are often planted in one orchard to enhance yield for its
gametophytic self-incompatibility. Therefore, an accurate and robust modelling method is …

[PDF][PDF] Chlorophyll content of aphid-infested seedling leaves of fifteen maize genotypes

H Sytykiewicz, P Czerniewicz, I Sprawka… - Acta Biologica …, 2013 - bibliotekanauki.pl
We measured the total chlorophyll (Chl a+ b) content in seedling leaves of fifteen maize
cultivars infested by two studied aphid species (oligophagous Rhopalosiphum padi L …

[PDF][PDF] Effects of nitrogen fertilization on the chlorophyll content of apple

E Uysal - Meyve Bilimi, 2018 - dergipark.org.tr
The experiment was carried out during 2009-2011 period in Yalova conditions. The aim of
the experiment is to determine fertigation and postharvest foliar fertilization methods with …

Nitrogen management based on visible/near infrared spectroscopy in pear orchards

J Wang, X Shi, Y Xu, C Dong - Remote Sensing, 2021 - mdpi.com
The timely estimation of nitrogen (N) requirements is essential for managing N fertilizer
application in pear orchards. Visible/near infrared spectroscopy is a non-destructive and …

[PDF][PDF] Effects of nitrogen fertilization on crops and their associated insect communities: a global food security perspective

KMZ Rahman - Asian-Australasian Journal of Food Safety and …, 2022 - ebupress.com
Nitrogen (N) fertilization reduces worldwide food insecurity by boosting crop yield and
stability. N is one of the most essential macromolecules required for the growth and …