scholarly journals Growth and Yield of Cotton as Influenced by Planting Geometry and Genotypes under High Density Planting System

2019 ◽  
Vol 8 (05) ◽  
pp. 2073-2077
Author(s):  
C. Shashi Kumar ◽  
C. Ramachandra
Keyword(s):  
High Density ◽  
Growth And Yield ◽  
Planting Geometry ◽  
Planting System

scholarly journals An overview of canopy management in cashew (Anacardium occidentale L.)

2020 ◽  
Vol 15 (2) ◽  
pp. 127-135
Author(s):  
D J Adiga ◽  
G L Veena ◽  
V Thondaiman ◽  
M Babli
Keyword(s):  
Dead Wood ◽  
Fruit Trees ◽  
High Density ◽  
Productive Performance ◽  
Initial Training ◽  
Growth Retardants ◽  
Soil Application ◽  
Commercial Importance ◽  
Planting Geometry ◽  
Planting System

Being a tree crop of commercial importance, the productive performance of cashew is greatly influenced by how best its canopy is architectured for harnessing maximum benefits in terms of yield. The initial training is crucial for the development of photosynthetically efficient canopy in cashew as in other perennial fruit trees. Pruning of dead wood and crisscross branches can alone increase the yield by 30-40 per cent. The dwarf rootstocks also play a role in manipulating the canopy in cashew, wherein, canopy containment and yield were influenced by such rootstocks. By resorting to soil application of growth retardants like paclobutrazol, cashew canopy could be successfully contained to suit high density planting system. The studies on planting geometry has indicated the advantage of high density planting in enhancing profitability of cashew orchards in the initial years of plantation. The advantages of rejuvenation as well as top working techniques are also discussed in this  aper.

scholarly journals Effect of raised bed, mulching and fertigation on productivity and quality of guava (Psidium guajava L.) under high density planting system

2021 ◽  
Vol 42 (5) ◽  
pp. 1387-1394
Author(s):  
K.K. Srivastava ◽  
◽  
P. Barman ◽  
P. Patil ◽  
D. Kumar ◽  
...  
Keyword(s):  
Drip Irrigation ◽  
Nutrient Use Efficiency ◽  
High Density ◽  
Growth And Yield ◽  
Subtropical Climate ◽  
Soil Application ◽  
Canopy Volume ◽  
Use Efficiency ◽  
Raised Bed ◽  
Planting System

Aim: Increasing the input use efficiency by planting of guava on raised bed, mulched with black polythene sheet along with fertilizer application through drip and foliar spray of micro-nutrients (zinc and boron). Methodology: Experiment was carried out during 2015-2019 for mrig bahar crop in Lalit guava planted at 3 × 3 m spacing in ICAR-CISH, Lucknow with 5 different treatments (T1 = Raised bed +drip irrigation @ 80% PE + fertigation @ 75% RDF + mulching with 100µ black polythene + micro-nutrient spray in July and August @ 0.2% each of zinc sulphate and boric acid, T2 = Raised bed + drip irrigation + fertigation + mulching, T3 = Raised bed + drip irrigation + fertigation + micronutrient sprays, T4 = Raised bed + drip irrigation +micro-nutrient sprays + soil application of RDF @ 50:25:50 g N:P:K, T5 / control = Flat bed + soil application of RDF + basin irrigation). Results: Canopy volume, trunk-cross sectional area and yield were significantly increased in T1, which could be attributed to better microclimate in root zone, resulting in improved growth and yield. Interpretation: The findings of this research have generated the technique of improving space, water and nutrient use efficiency under high density planting system of guava cv. Lalit in subtropical climate which will help the guava growers for sustaining quality production.

Effects of high plant populations on the growth and yield of winter oilseed rape (Brassica napus)

1999 ◽  
Vol 132 (2) ◽  
pp. 173-180 ◽  
Author(s):  
J. E. LEACH ◽  
H. J. STEVENSON ◽  
A. J. RAINBOW ◽  
L. A. MULLEN
Keyword(s):  
Brassica Napus ◽  
Oilseed Rape ◽  
Plant Density ◽  
High Density ◽  
Growth And Yield ◽  
Winter Oilseed Rape ◽  
Plant Populations ◽  
Rothamsted Experimental Station ◽  
Plant Densities ◽  
Very High

The effects of plant density on the growth and yield of winter oilseed rape (Brassica napus) were examined in a series of five multifactorial experiments at Rothamsted Experimental Station between 1984 and 1989. Plant densities, manipulated by changing the seed rate and row spacing, or because of overwinter losses, ranged from 13·5 to 372 plants/m2. Normalized yields for the multifactorial plots increased with densities up to 50–60 plants/m2. In very high density plots in 1987/88, yield decreased as density increased >150 plants/m2. Plants grown at high density had fewer pod-bearing branches per plant but produced more branches/m2. Branch dry matter (DM) per plant was decreased by 42%, the number of fertile pods per plant and pod DM/plant by 37%. There was no effect of density on the number or DM of pods/m2. Over 74% of the fertile pods were carried on the terminal and uppermost branches of plants grown at high density in 1987/88 compared with only 34% in plants grown at low density in 1988/89. Seed DM/plant decreased with increase in density but seed size (1000-seed weight) increased. There was no effect of density on seed glucosinolate or oil contents.

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