Author
SpringerLink (Online service)
133
ScienceDirect (Online service)
30
American Society of Agronomy
18
Sparks, Donald L., 1953-
11
United States. Department of Agriculture
11
Brady, Nyle C.
9
Lichtfouse, Eric
9
Sparks, Donald L.
9
Kole, Chittaranjan
6
Norman, A. G. 1905-1982
6
Colorado Agricultural Experiment Station
4
Colorado. State Board of Agriculture
3
Norman, Andrew G.
3
Nuthall, P. L.
3
United States. Congress. Office of Technology Assessment
3
United States. Department of Agriculture. Economic Research Service
3
Varshney, R. K. 1973-
3
Wiseman, A. J. L.
3
Alim Isnansetyo,
2
CCTA (Conference)
2
CCTA (Conference) Zhangjiajie Shi, China)
2
Campbell, W. Bruce
2
Campos, Hugo A., 1968-
2
Chen, Yingyi
2
Colorado State University
2
Gosal, S. S.,
2
International Conference on Tropical Agriculture
2
Jhariya, Manoj Kumar
2
Kole, Chittaranjan,
2
Kumar, Sandeep
2
Li, Daoliang
2
Lockhart, J. A. R.
2
Meena, Ram Swaroop
2
Meena, Vijay Singh,
2
Nakanishi, Tomoko M., 1950-
2
Nuringtyas, Tri Rini,
2
Ortíz, Silvia López
2
Samuel, A. M.
2
Shahid, Shabbir A.,
2
SpringerLink (Online Service)
2
Squires, Victor R., 1937-
2
Tanoi, Keitaro,
2
United States. Agricultural Research Service
2
United States. Animal and Plant Health Inspection Service
2
Wani, Shabir Hussain,
2
Aase, Tor Halfdan, 1949-
1
Aboulroos, Samir,
1
Agricultural History Society
1
Ahmad, Wasim,
1
Ahmed, M.
1
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