scholarly journals Short-term effects of NPK fertilizer and cocoa pod-based manures on soil chemical properties, growth and cucumber yield in Guinea Savannah

Agro-Science ◽  
2018 ◽  
Vol 17 (1) ◽  
pp. 20
Author(s):  
O Dunsin ◽  
C.M. Aboyeji ◽  
A.O. Adekiya ◽  
V.O. Alade ◽  
O.T.V. Adebiyi
2004 ◽  
Vol 68 (3) ◽  
pp. 924-934 ◽  
Author(s):  
K. R. Brye ◽  
N. A. Slaton ◽  
M. Mozaffari ◽  
M. C. Savin ◽  
R. J. Norman ◽  
...  

2009 ◽  
Vol 211 (1-4) ◽  
pp. 165-176 ◽  
Author(s):  
Runbin Duan ◽  
Christopher D. Sheppard ◽  
Clifford B. Fedler

2004 ◽  
Vol 68 (3) ◽  
pp. 924 ◽  
Author(s):  
K. R. Brye ◽  
N. A. Slaton ◽  
M. Mozaffari ◽  
M. C. Savin ◽  
R. J. Norman ◽  
...  

2019 ◽  
Vol 31 (6) ◽  
pp. 3617-3624 ◽  
Author(s):  
Citlally Ramírez-López ◽  
Fernando José Esparza-García ◽  
Ronald Ferrera-Cerrato ◽  
Alejandro Alarcón ◽  
Rosa Olivia Cañizares-Villanueva

2008 ◽  
Vol 37 (S5) ◽  
pp. S-8-S-24 ◽  
Author(s):  
Dennis L. Corwin ◽  
Scott M. Lesch ◽  
James D. Oster ◽  
Stephen R. Kaffka

2021 ◽  
Vol 6 (1) ◽  
pp. 356-368
Author(s):  
Patrick Ofori ◽  
Gideon Asamoah ◽  
Ben Amoah ◽  
Kwaku Osei Adu Agyeman ◽  
Edward Yeboah

Abstract Low soil fertility is a major problem limiting peri-urban vegetable production in the Kumasi metropolis. This study was conducted to assess the effects of poultry litter biochar (PLB) and NPK fertilizer application on soil chemical properties and the yield of cabbage. Twelve treatments (control, 100% NPK, 50% NPK, 2.5 t ha−1 PLB, 2.5 t ha−1 PLB + 50% NPK, 2.5 t ha−1 PLB + 100% NPK, 5 t ha−1 PLB, 5 t ha−1 PLB + 50% NPK, 5 t ha−1 PLB + 100% NPK, 7.5 t ha−1 PLB, 7.5 t ha−1 PLB + 50% NPK, and 7.5 t ha−1 PLB + 100% NPK) were evaluated under field conditions in a randomized block design with three replications. Combined application of PLB and NPK fertilizer improved the soil chemical properties, growth, and yield of cabbage relative to the control and sole PLB treatments. Application of 5 t ha−1 PLB + 50% NPK increased the soil pH, soil organic carbon, available phosphorus, and cation exchange capacity by 26.6, 41.4, 296, and 78.7%, respectively, relative to the control. Moreover, 5 t ha−1 PLB + 50% NPK increased the cabbage yield by 73% compared with the control. This study concludes that PLB and NPK fertilizers can be applied to improve the soil chemical properties and yield of cabbage.


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