Use of supervised and unsupervised approaches to make zonal application maps for variable-rate application of crop growth regulators in commercial cotton fields

Table 2 Data on cultivation in the fields that were closely monitored and for which application maps were developed

Farm code (field)	Cotton cultivars	Soil texture classification^a	Emergence date^b/(mm/dd/YY)	Plant stand count^c	CGR application^d	Accumulation rainfall /mm	Harvest date^b/(mm/dd/YY)	Seed cotton yield/(kg·hm⁻²)^e
1(A)	FM 911GLTP	medium-clayey	01/02/2023	10.5	7	801.8	07/13/2023	3 843.7
2(B)	FM 944GL	medium-clayey	01/17/2023	9.0	13	1001.0	07/26/2023	4 605.6
3(C)	TMG 22GLTP	medium-clayey	02/10/2023	10.9	7	759.2	08/29/2023	3 630.6

^aRefer to the average soil texture of the entire field
^bEmergence and harvest date of the respective fields during the 2022–2023 agricultural season
^cNumber of plants per meter in the rows
^dTotal number of crop growth regulator applications (both variable and uniform rate) in that season
^eAverage yield of each field

ISSN: 2523-3254