Interactive effect of planting date and fertiliser application on maize growth and yield under dryland conditions

2018 ◽  
Vol 36 (3) ◽  
pp. 189-198 ◽  
Author(s):  
Dolapo B Akinnuoye-Adelabu ◽  
Tafadzwanashe Mabhaudhi ◽  
Albert T Modi
Keyword(s):  
Interactive Effect ◽  
Planting Date ◽  
Growth And Yield ◽  
Maize Growth ◽  
Fertiliser Application

scholarly journals Effect of Planting Dates and Fertilizer Rates on the Growth and Yield of Sweet Potato (Ipomoea batatas L.) In WUKARI, Taraba State

2021 ◽  
Vol 4 (2) ◽  
pp. 36-43
Author(s):  
Balogun K. ◽  
Nwokah J.T.
Keyword(s):  
Leaf Area ◽  
Sweet Potato ◽  
Interactive Effect ◽  
Planting Date ◽  
Growth And Yield ◽  
Fertilizer Rate ◽  
Planting Dates ◽  
Cropping Season ◽  
Fertilizer Application Rate ◽  
Fertilizer Rates

A field experiment was conducted at the teaching and research farm of the Federal University Wukari, Taraba State, Nigeria to determine, evaluate and compare the effect of planting dates and fertilizer rates on growth and yield of sweet potato, using three planting dates: planting date one (July 4), planting date two (July18) and planting date three (August 1) for both 2017 and 2018 cropping seasons, and four fertilizer rates: F0 (0kg/h), F1 (30kg/h), F2 (60kg/h) and F3 (90kg/h). The treatments were arranged in 3 x 4 split plot factorial design combinations replicated three times. Measurements were taken on the growth and tuber yield at harvest such as the length of primary veins, number of secondary veins, number of leaves, number of tubers and tuber weight. Data collected were analyzed using ANOVA and the significant means separated using Duncan multiple differences at 5% probability level. The result of the experiment indicated that both main effects (planting dates and fertilizer rates) had significant influence on all of the traits measured. Similarly, the interactive effect of planting dates and fertilizer rates significantly affected all of the traits measured, except leaf area which is not significantly influenced by the interactive effect of planting dates and fertilizer rates. The significantly highest weight of tuber per plant was obtained from the planting dates at PD1, PD2 and PD3 (1.09, 1.56 and 1.10 respectively in 2017 cropping season and 1.00, 1.51 and 1.03 respectively for 2018 cropping season). Fertilizer rates enhanced growth and yield performance on the planting dates used. Highest yield values were observed in planting date 2 (PD2). Highest value in all the yield characters measured was observed in planting date 2 (PD2) at fertilizer rates of F3 and F2 (90kg/h and 60kg/h respectively). Based on the findings from this research, planting date 2 (PD2) with 60kg/ha (F2) of fertilizer application rate is recommended. Generally, all traits except the leaf area were significantly affected by the interactive effect of planting date and fertilizer rate, indicating that determining fertilizer rate for each planting date by considering their vegetative growth and yield habit is very important in crop production. Further research should be repeated under rainfed conditions at different locations.

scholarly journals Planting Dates and Harvesting Stages Influence on Maize Yield under Rain-Fed Conditions

2017 ◽  
Vol 9 (9) ◽  
pp. 43
Author(s):  
Dolapo Bola Akinnuoye-Adelabu ◽  
Albert Thembinkosi Modi
Keyword(s):  
Seed Weight ◽  
Continuous Production ◽  
Interactive Effect ◽  
Maize Yield ◽  
Planting Date ◽  
Growth And Yield ◽  
Planting Dates ◽  
Physiological Maturity ◽  
Late Planting ◽  
Thousand Seed Weight

Understanding the challenges associated with variation in weather conditions and stages of maturity in maize are essential for farmers to achieve continuous production under climate changes. This research evaluated the interactive effect of planting date and stages of maturity at harvest on maize yield (Zea mays L.). Field trials were conducted during the 2014/15 and 2015/16 seasons at university of KwaZulu-Natal research farm Pietermaritzburg South Africa. Planting dates comprised of early (November), mid (December) and late planting dates (January). While, harvesting occurred at milk stage, dent stage and physiological maturity. A split plotdesign with four replications was used. The main plot and sub-plot consisted of planting dates and harvesting stages respectively. Response of maize to planting dates and harvesting stages was determined by variables of plant physiological growth and yield parameters. Significant differences in growth and physiological parameters were more obvious in 2015/16 season which was a drier season than 2014/15. Early and mid-planting had positive effect on parameters measured at both seasons. However, mid planting date favoured maize growth and yield more in drier season. The interaction of planting dates and harvesting stages significantly influenced grain yield, thousand seed weight, ear length and diameter. Thousand seed weight, ear length and diameter obtained at dent stage under mid planting outperformed its counterpart from physiological maturity under which late planting. With the increase in climate variability there is high risk that maize planted lately would have lower yield irrespective of its planting dates and might not attain physiological maturity. However, maize harvested at dent stage under early and mid-planting dates gave substantially high yield.

Maize Growth and Yield Following Late Summer Hail

Crop Science ◽  
1994 ◽  
Vol 34 (5) ◽  
pp. 1400-1403 ◽  
Author(s):  
L. M. Dwyer ◽  
D. W. Stewart ◽  
L. Evenson ◽  
B. L. Ma
Keyword(s):  
Late Summer ◽  
Growth And Yield ◽  
Maize Growth

scholarly journals Effect of Planting Date and Gibberellic Acid on the Growth and Yield of Garlic

2010 ◽  
pp. 132-140 ◽  
Author(s):  
MA Islam ◽  
MH Reza ◽  
SMAHM Kamal ◽  
MA Wazed ◽  
KM Islam
Keyword(s):  
Gibberellic Acid ◽  
Plant Height ◽  
Dry Matter ◽  
Dry Weight ◽  
Planting Date ◽  
Growth And Yield ◽  
Planting Time ◽  
Local Cultivar ◽  
Number Of Leaves ◽  
Bulb Yield

An experiment was conducted with a local cultivar of garlic to study the effects of planting date and gibberellic acid on the growth and yield of garlic at the field laboratory of the Department of Crop Botany, Bangladesh Agricultural University, Mymensingh during November 2001 to April 2002. Early planting influenced the plant height, leaf number, bulb diameter and total dry matter. With the delay in planting time starting from November 7, the yield was chronologically reduced in later plantings. Significantly the highest bulb yield (2.67 t/ha) was recorded when planting was done on November 7 and lowest yield (0.92 t/ha) was obtained from December 22 planted crop. Bulb yield was higher in control plants than those of GA3 treated plants. The interaction effects of planting date and different concentrations of GA3 differed significantly in respect of plant height, number of leaves, bulb diameter and dry weight of roots, leaves and bulbs and yield of garlic.

Crop management: principles and practices.

2021 ◽  
pp. 89-123
Author(s):  
Dennis B. Egli
Keyword(s):  
Crop Yield ◽  
Management Practices ◽  
Seed Quality ◽  
Production Systems ◽  
Crop Management ◽  
Planting Date ◽  
Growth And Yield ◽  
Management Options ◽  
Physiological Processes ◽  
Variety Selection

Abstract This chapter discusses planting-seed quality, variety selection, plant population, planting date and row spacing. The goal of crop management is to create the perfect environment for the growth of the crop, where the perfect environment is characterized by the absence of stress or other factors that reduce crop growth and yield. This goal may be impossible or uneconomical to achieve, but that does not detract from its usefulness as a goal. The management practices discussed in this chapter are fundamental components of grain production systems that contribute to reaching the goal of the perfect environment. There are many management options available to an individual producer; selecting the best combination is not always easy and it may be constrained by factors outside the realm of the physiological processes controlling crop yield.

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