Table 69. Summary by Age and Primary Occupation of Principal Operator: 2012 (continued) 
[For meaning of abbreviations and symbols, see introductory text.] 
Total farming 
and other 
occupations 
Farming 
Item 
Total 
Age of operator (years) 
Under 25 
25 to 34 
35 to 44 
45 to 54 
55 to 64 
65 and over 
FERTILIZERS AND CHEMICALS 
Commercial fertilizer, lime, and soil 
conditioners used 
farms 
5,427 
3,323 
21 
156 
238 
664 
955 
1,289 
acres treated 
1,011,668 
877,245 
1,409 
29,194 
65,568 
206,895 
284,150 
290,029 
Manure used 
farms 
2,634 
1,676 
15 
106 
119 
381 
463 
592 
acres treated 
208,568 
181,013 
880 
9,434 
14,462 
46,952 
54,416 
54,869 
Acres treated to control- 
Insects 
farms 
2,574 
1,864 
10 
105 
179 
415 
514 
641 
acres 
581,377 
525,485 
376 
20,069 
46,442 
123,270 
170,059 
165,269 
Weeds, grass, or brush 
farms 
4,799 
3,069 
15 
132 
228 
645 
890 
1,159 
acres 
1,086,600 
958,694 
1,349 
29,532 
71,452 
226,301 
313,996 
316,064 
Nematodes 
farms 
382 
269 
- 
11 
30 
63 
73 
92 
acres 
43,457 
38,406 
- 
274 
6,219 
8,539 
10,537 
12,837 
Diseases in crops and orchards 
farms 
873 
621 
3 
23 
52 
163 
194 
186 
Chemicals used to control growth, 
acres 
140,305 
127,151 
7 
3,891 
12,274 
40,011 
39,013 
31,955 
thin fruit, ripen, or defoliate 
farms 
254 
194 
3 
6 
34 
41 
46 
64 
acres on which used 
24,543 
23,414 
9 
154 
4,055 
6,544 
6,610 
6,042 
LAND USE PRACTICES 
Land drained by tile 
farms 
736 
526 
2 
25 
37 
99 
146 
217 
acres 
43,840 
37,146 
(D) 
3,861 
(D) 
7,309 
10,650 
12,440 
Land artificially drained by ditches 
farms 
1,705 
999 
9 
31 
66 
198 
285 
410 
acres 
252,992 
223,995 
813 
5,056 
19,318 
48,905 
72,248 
77,655 
Land under conservation easement 
farms 
1,628 
744 
- 
20 
41 
134 
211 
338 
Cropland on which no-till practices were 
acres 
147,413 
93,143 
2,405 
3,888 
15,731 
32,801 
38,318 
used 
farms 
3,340 
2,307 
11 
120 
172 
474 
648 
882 
Cropland on which conservation tillage, 
including no till, practices were 
acres 
767,813 
681,695 
1,161 
19,045 
50,852 
154,049 
221,572 
235,016 
used 
farms 
1,249 
946 
3 
55 
46 
232 
292 
318 
Cropland on which conventional tillage 
acres 
194,668 
176,618 
103 
7,255 
9,607 
43,193 
59,711 
56,749 
practices were used 
farms 
2,095 
1,352 
14 
89 
124 
279 
374 
472 
Cropland planted to a cover crop 
acres 
145,531 
121,798 
304 
3,471 
9,239 
32,406 
37,463 
38,915 
(excluding CRP) 
farms 
2,366 
1,648 
9 
113 
123 
354 
486 
563 
acres 
327,689 
288,140 
884 
9,266 
23,119 
69,605 
93,215 
92,051 
ENERGY 
Renewable energy producing systems 
farms 
416 
215 
- 
10 
16 
44 
69 
76 
Solar panels 
farms 
284 
152 
- 
8 
10 
30 
57 
47 
Wind turbines 
farms 
29 
17 
- 
- 
1 
3 
9 
4 
Methane digesters 
farms 
2 
1 
- 
- 
- 
- 
- 
1 
Geoexchange systems 
farms 
83 
35 
- 
- 
6 
5 
8 
16 
Small hydro systems 
farms 
3 
- 
- 
- 
- 
- 
- 
- 
Biodiesel 
farms 
45 
28 
- 
- 
2 
10 
10 
6 
Ethanol 
farms 
21 
13 
- 
1 
- 
9 
- 
3 
Other 
farms 
4 
3 
- 
- 
2 
- 
- 
1 
Wind rights leased to others 
farms 
11 
10 
- 
- 
1 
2 
5 
2 
TENURE 
Full owners 
farms 
8,576 
3,611 
22 
87 
191 
637 
977 
1,697 
Part owners 
farms 
2,671 
1,808 
5 
75 
128 
394 
520 
686 
Tenants 
farms 
1,009 
577 
17 
86 
101 
140 
138 
95 
OWNED AND RENTED LAND 
Land owned 
farms 
11,269 
5,431 
27 
164 
319 
1,032 
1,503 
2,386 
acres 
1,327,239 
821,907 
1,843 
16,714 
48,161 
147,171 
246,279 
361,739 
Owned land in farms 
farms 
1 1 ,247 
5,419 
27 
162 
319 
1,031 
1,497 
2,383 
acres 
1,180,233 
764,378 
1,324 
14,669 
46,364 
140,676 
232,425 
328,920 
Land rented or leased from others 
farms 
3,696 
2,393 
22 
161 
229 
536 
661 
784 
acres 
855,244 
752,685 
2,697 
31,405 
63,245 
195,886 
243,322 
216,130 
Rented or leased land in farms 
farms 
3,680 
2,385 
22 
161 
229 
534 
658 
781 
acres 
850,512 
749,138 
2,697 
31,405 
63,245 
195,278 
241,377 
215,136 
Land rented or leased to others 
farms 
1,988 
842 
12 
12 
40 
129 
214 
435 
acres 
151,738 
61,076 
519 
2,045 
1,797 
7,103 
15,799 
33,813 
NUMBER OF OPERATORS 
Total operators 
Farms by number of operators: 
number 
19,469 
9,533 
72 
381 
671 
1,889 
2,677 
3,843 
1 operator 
6,563 
3,241 
16 
146 
217 
608 
812 
1,442 
2 operators 
4,587 
2,169 
28 
76 
169 
447 
663 
786 
3 operators 
861 
458 
- 
23 
25 
93 
124 
193 
4 operators 
170 
88 
- 
2 
6 
9 
27 
44 
5 or more operators 
75 
40 
" 
1 
3 
14 
9 
13 
Total women operators 
Farms by number of women operators: 
number 
6,296 
2,905 
32 
98 
224 
659 
849 
1,043 
1 operator 
5,264 
2,475 
22 
92 
196 
561 
696 
908 
2 operators 
405 
175 
5 
3 
12 
37 
61 
57 
3 operators 
51 
21 
- 
- 
- 
5 
9 
7 
4 operators 
8 
3 
- 
- 
1 
1 
1 
- 
5 or more operators 
5 
1 
- 
- 
- 
1 
- 
- 
See footnote(s) at end of table. -continued 
200 Maryland 
2012 Census of Agriculture - State Data 
USDA, National Agricultural Statistics Service 
