nitrogen · Yield · Citrus

Some effects of no cultivation on the yield and growth of citrus trees · 1952

• positive
  Nitrogen improved yield in sod-treated citrus trees.

  compared with sod treatments

Field Experiment on Fertilizer Application in Citrus Orchards (First Report) · 1960

• positive
  Omitting nitrogen somewhat decreased fruit size in Yuanlin.

  About lacking this nutrient, so it counts the other way round

Studies on the control of alternate bearing in citrus. III · 1960

• positive
  Nitrogen was the most effective fertilizer for increasing flowers.

  compared with fertilizers

Responses of citrus ( Citrus sinensis ) to nitrogen‐phosphorus‐potassium (NPK) fertiliser on 2 soils of Rarotonga, Cook Islands 2. Effects of NPK fertiliser rate, soil properties, and leaf nutrient levels on yield and tree size · 1985

• positive
  Increasing NPK fertiliser rates significantly increased overall citrus fruit yields in 4 trial orchards on 2 soil types of Rarotonga, Cook Islands.

Effect of foliar application of urea and defloration treatment to citrus tree prior to flowering upon stabilization of fruiting · 1986

• positive
  Foliar urea increased the fruit diameter index of harvested citrus fruits.

Nitrogen Leaching, Water, and Nitrogen Use Efficiency of Citrus Trees Fertilized at Three Rates of Nitrogen · 1995

• positive
  High N increased yield for larger VL-rootstock trees.

Nitrogen Management for High Yield and Quality of Citrus in Sandy Soils · 1998

• positive
  DGF and FRT fruit yield increased as N rate rose from 112 to 224 kg ha ‐1 yr ‐1.
• negative
  Further N rate increases yielded diminishing fruit yield response, especially with DGF.

cited by 1 paper here

YIELD AND RELATIVE COST OF CONTROLLED-RELEASE FERTILIZER ON YOUNG BEARING CITRUS TREES · 1999

• positive
  At the full nitrogen rate, controlled-release fertilizers had 15% greater return.

  compared with conventional fertilizer

• negative
  At the full nitrogen rate, controlled-release fertilizers cost four times as much as conventional fertilizer.

  compared with conventional fertilizer

Investigation of fertilization on citrus in Hubei Province · 2003

• positive
  N fertilization raised orange fruit yield by 58 2% compared with no nutrient application.

  compared with without nutrient application

Nitrate improves growth in salt-stressed citrus seedlings through effects on photosynthetic activity and chloride accumulation · 2004

• positive
  Nitrate supplementation reduced leaf abscission in salinized citrus.

cited by 1 paper here

Effect of N, P, K fertilization on young citrus tree growth, fruit yield and quality in area of red soil · 2004

• positive
  Fruit yield without N, P and K treatments decreased by 16.8% (P omitted).

  About lacking this nutrient, so it counts the other way round

• positive
  Fruit yield without N, P and K treatments decreased by 22.2% (N omitted).

  About lacking this nutrient, so it counts the other way round

• positive
  Fruit yield without N, P and K treatments decreased by 21.2% (K omitted).

  About lacking this nutrient, so it counts the other way round

Nitrogen and Phosphorus Fertilizer Requirements for Young, Bearing Microsprinkler-Irrigated Citrus, 2005 Report · 2004

• positive
  Fukumoto trees yielded a maximum of 119 lb fruit/tree at 0.5 lb N/tree/yr.
• positive
  Newhall trees yielded a maximum of 132 lb fruit/tree at 0.5 lb N/tree/yr.

cites 1 paper here

QUANTITY AND QUALITY OF CITRUS ON A CITROMELO ROOTSTOCK AS AFFECTED BY DIFFERENT TYPES OF N FERTILIZATION (CHEMICAL AND ORGANIC) · 2012

• positive
  Urea coated with sulfur and manure gave the highest citrus fruit yield of 92.46 kg ha−1.

Effects of supplementary potassium nitrate on growth and gas-exchange characteristics of salt-stressed citrus seedlings · 2014

• positive
  Nitrate supplementation reduced leaf abscission in salt stressed plants.

cites 1 paper here

The Effects of Fertilization on Citrus in Xingshan County · 2014

• positive
  Nitrogen gave the best citrus yield increase of 9 316 kg / hm2.

Impact of Different Levels of Nitrogen Fertilization on Oranges Output and Quality · 2015

• positive
  Nitrogen increased citrus production by 20.45% to 33.73%.

Improving the quality fruit of Citrus cv. Siam out off-season through the application of fertilization and pruning · 2019

• positive
  Fertilization P 2 increased weight of the fruit harvest per citrus tree by 99.79% compared with P 0

  compared with P 0