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Dhillon, W. S.
- Studies on Macronutrient Fertilization in Pomegranate under Sub-Tropical Plains
Abstract Views :232 |
PDF Views:204
Authors
Affiliations
1 Department of Fruit Science, Punjab Agricultural University, Ludhiana-141004, IN
2 Punjab Horticultural Post Harvest Technology Centre, Ludhiana, IN
1 Department of Fruit Science, Punjab Agricultural University, Ludhiana-141004, IN
2 Punjab Horticultural Post Harvest Technology Centre, Ludhiana, IN
Source
Journal of Horticultural Sciences, Vol 8, No 2 (2013), Pagination: 172-175Abstract
An investigation was carried out to study the influence of different levels of NPK fertilizers on plant growth, fruit yield and quality, and leaf NPK content in pomegranate cv. Kandhari under sub-tropical conditions. Graded doses of nitrogen (0-300g/plant), phosphorus (0-150g/plant) and potassium (0-300g/plant) fertilizers were applied through soil, in addition to a basal dose of FYM. Control plants were fed FYM only. Maximum increase in plant growth and fruit yield was recorded in plants receiving NPK @ 300:50:100g/plant, while Control plants registered least growth and yield. Potassium levels improved fruit weight over the Control. Higher dose of potassium also improved fruit colour and enhanced peel thickness and grain weight. Maximum TSS:acid ratio was seen with NPK @ 200:50:100g/plant. Reducing sugars were not affected by any treatment. Leaf N, P and K content increased with application of the respective nutrient.Keywords
Pomegranate, Macronutrients, Growth, Yield, Quality, Leaf Analysis.Full Text
- Effect of Spacing on Canopy Microclimate, Vegetative Growth and Yield Attributes in Guava (Psidium guajava L.)
Abstract Views :229 |
PDF Views:119
Authors
Affiliations
1 Department of Horticulture, Punjab Agricultural University, Ludhiana-141004, IN
2 Regional Station, Punjab Agricultural University, Bathinda, Punjab-151001, IN
3 Deaprtment of Agrometeorology, Punjab Agricultural University, Ludhiana, Punjab-141004, IN
1 Department of Horticulture, Punjab Agricultural University, Ludhiana-141004, IN
2 Regional Station, Punjab Agricultural University, Bathinda, Punjab-151001, IN
3 Deaprtment of Agrometeorology, Punjab Agricultural University, Ludhiana, Punjab-141004, IN
Source
Journal of Horticultural Sciences, Vol 7, No 1 (2012), Pagination: 41-45Abstract
The present investigation was conducted to examine the effect of spacing on variation in canopy microclimate, vegetative growth and yield attributes in guava (cv. Allahabad Safeda). Oservations revealed that with wide plant spacing (from 6x2m to 6x4m), interception of solar radiation increased significantly. Similarly, with increase in spacing between plants, mean canopy temperature was need to increase while relative humidity decreased. Plant growth in terms of stock and scion girth, tree spread (N-S) and canopy volume increased with wide plant spacing, while tree height decreased with increase in plant spacing. Number of fruits per plant, yield per plant and fruiting density was higher at 6x5m and least in 6x2m spacing. Wider plant spacing was found to be better owing to maximum absorption of solar radiation and optimum microclimate in the orchard leading to better yield in plants, higher fruiting density and yield efficiency. However, yield/ha was maximum in 6x2m spacing during rainy season and in 6x3m spacing during winter.Keywords
Guava, Plant Spacing, Microclimate, Growth, Yield.Full Text