scholarly journals Luxury Vegetative Nitrogen Uptake in Maize Buffers Grain Yield Under Post-silking Water and Nitrogen Stress: A Mechanistic Understanding

2019 ◽  
Vol 10 ◽  
Author(s):  
Joshua Nasielski ◽  
Hugh Earl ◽  
Bill Deen
1970 ◽  
Vol 10 (47) ◽  
pp. 763 ◽  
Author(s):  
EAN Greenwood ◽  
WJR Boyd ◽  
JA Whitehead ◽  
ZV Titmanis

Wheat was grown where nitrogen fertilizer does not usually produce a large increase in grain yield. Urea was applied at sowing at rates from 0-75 kg N per hectare and the crop was sown either after cultivation or without cultivation but with the weed controlled with herbicides-a promising technique for earlier planting. Estimates of weeds and growth, nitrogen content, nitrogen stress, and grain yield of the crop were made at appropriate times. Maximum nitrogen stress occurred during tillering. The response by grain yield to urea was small and could be explained only in part by the relatively low values of nitrogen stress at that time. Where cultivation was replaced by herbicides, nitrogen stress was greater and growth rate, nitrogen uptake and grain yield were lower. Application of 75 kg N/ha at sowing compensated for lack of cultivation during the vegetative stage but did not fully do so for grain yield.


1995 ◽  
Vol 4 (3) ◽  
pp. 379-386 ◽  
Author(s):  
W. Aufhammer ◽  
H.-P. Kaul ◽  
P. Herz ◽  
E. Nalborczyk ◽  
A. Dalbiak ◽  
...  

1988 ◽  
Vol 24 (2) ◽  
pp. 183-189 ◽  
Author(s):  
D. P. Singh ◽  
P. K. Singh

SUMMARYThe effects of phosphorus fertilizer and the insecticide carbofuran on the growth and N2-fixation of Azolla pinnata and on the growth, grain yield and nitrogen uptake of intercropped rice were examined in a wet and a dry season. Treatment with phosphorus or carbofuran increased the biomass of Azolla and the amount of nitrogen fixed (nitrogen yield) in both seasons, but the response was much better in the dry season. Azolla inoculation at 1.0 t ha−1 resulted in a greater bio mass and nitrogen yield than inoculation at 0.5 t ha−1. In the dry season, a combination of phosphorus and carbofuran enhanced the growth and N2-fixation of Azolla more than either treatment alone. Carbofuran treatment slowed the rate of decomposition of Azolla, particularly in the dry season. The plant height, leaf area index and dry matter production of rice at flowering time were increased in the plots treated with phosphorus or carbofuran in the wet season and these treatments increased rice grain yield and nitrogen uptake in both the wet and dry seasons.


cftm ◽  
2018 ◽  
Vol 4 (1) ◽  
pp. 1-5
Author(s):  
Jason M. Satterfield ◽  
Gurpreet Kaur ◽  
Bobby R. Golden ◽  
John M. Orlowski ◽  
Timothy W. Walker

age ◽  
2020 ◽  
Vol 3 (1) ◽  
Author(s):  
Ryan Bryant‐Schlobohm ◽  
Jagmandeep Dhillon ◽  
Gwendolyn B. Wehmeyer ◽  
William R. Raun

2020 ◽  
Vol 227 ◽  
pp. 105834 ◽  
Author(s):  
Guanghao Li ◽  
Bin Zhao ◽  
Shuting Dong ◽  
Jiwang Zhang ◽  
Peng Liu ◽  
...  

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