Table 69. Summary by Age and Primary Occupation of Principal Operator: 2012 (continued) 
[For meaning of abbreviations and symbols, see introductory text.] 
Other occupations 
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 
2,104 
10 
112 
203 
596 
648 
535 
acres treated 
134,423 
319 
4,234 
13,766 
42,597 
41,851 
31,656 
Manure used 
farms 
958 
7 
53 
101 
292 
308 
197 
acres treated 
27,555 
176 
1,683 
2,929 
9,266 
7,723 
5,778 
Acres treated to control- 
Insects 
farms 
710 
2 
38 
51 
237 
223 
159 
acres 
55,892 
(D) 
1,310 
(D) 
20,059 
18,024 
13,374 
Weeds, grass, or brush 
farms 
1,730 
11 
76 
175 
500 
536 
432 
acres 
127,906 
297 
4,765 
12,101 
39,170 
41,266 
30,307 
Nematodes 
farms 
113 
- 
2 
8 
44 
28 
31 
acres 
5,051 
- 
(D) 
(D) 
1,517 
1,369 
1,791 
Diseases in crops and orchards 
farms 
252 
- 
16 
19 
89 
76 
52 
Chemicals used to control growth, 
acres 
13,154 
- 
71 
705 
5,020 
3,696 
3,662 
thin fruit, ripen, or defoliate 
farms 
60 
- 
7 
3 
25 
18 
7 
acres on which used 
1,129 
- 
134 
230 
364 
279 
122 
LAND USE PRACTICES 
Land drained by tile 
farms 
210 
- 
13 
20 
61 
75 
41 
acres 
6,694 
- 
563 
431 
1,464 
3,026 
1,210 
Land artificially drained by ditches 
farms 
706 
1 
36 
57 
179 
196 
237 
acres 
28,997 
(D) 
(D) 
2,526 
8,988 
7,891 
9,129 
Land under conservation easement 
farms 
884 
1 
17 
79 
196 
277 
314 
Cropland on which no-till practices were 
acres 
54,270 
(D) 
(D) 
3,812 
12,003 
17,292 
20,387 
used 
farms 
1,033 
4 
39 
110 
323 
294 
263 
Cropland on which conservation tillage, 
including no till, practices were 
acres 
86,118 
146 
2,476 
8,423 
25,751 
28,738 
20,584 
used 
farms 
303 
- 
14 
22 
110 
88 
69 
Cropland on which conventional tillage 
acres 
18,050 
830 
1,281 
7,467 
6,350 
2,122 
practices were used 
farms 
743 
9 
40 
86 
204 
210 
194 
Cropland planted to a cover crop 
acres 
23,733 
155 
719 
2,699 
5,065 
6,468 
8,627 
(excluding CRP) 
farms 
718 
- 
33 
96 
207 
218 
164 
acres 
39,549 
- 
1,444 
5,770 
12,427 
13,218 
6,690 
ENERGY 
Renewable energy producing systems 
farms 
201 
- 
4 
19 
58 
74 
46 
Solar panels 
farms 
132 
- 
4 
12 
36 
51 
29 
Wind turbines 
farms 
12 
- 
- 
1 
4 
2 
5 
Methane digesters 
farms 
1 
- 
- 
- 
- 
- 
1 
Geoexchange systems 
farms 
48 
- 
- 
10 
7 
18 
13 
Small hydro systems 
farms 
3 
- 
- 
- 
1 
1 
1 
Biodiesel 
farms 
17 
- 
- 
- 
8 
6 
3 
Ethanol 
farms 
8 
- 
4 
- 
- 
1 
3 
Other 
farms 
1 
- 
- 
- 
1 
- 
- 
Wind rights leased to others 
farms 
1 
- 
- 
- 
- 
- 
1 
TENURE 
Full owners 
farms 
4,965 
13 
149 
437 
1,262 
1,504 
1,600 
Part owners 
farms 
863 
6 
56 
115 
291 
236 
159 
Tenants 
farms 
432 
12 
75 
65 
129 
100 
51 
OWNED AND RENTED LAND 
Land owned 
farms 
5,838 
19 
205 
554 
1,555 
1,743 
1,762 
acres 
505,332 
425 
8,117 
32,494 
112,638 
152,842 
198,816 
Owned land in farms 
farms 
5,828 
19 
205 
552 
1,553 
1,740 
1,759 
acres 
415,855 
425 
7,546 
27,562 
95,662 
129,675 
154,985 
Land rented or leased from others 
farms 
1,303 
18 
131 
181 
424 
337 
212 
acres 
102,559 
429 
(D) 
(D) 
37,800 
27,434 
15,582 
Rented or leased land in farms 
farms 
1,295 
18 
131 
180 
420 
336 
210 
acres 
101,374 
429 
7,342 
13,962 
37,131 
27,368 
15,142 
Land rented or leased to others 
farms 
1,146 
_ 
17 
72 
276 
314 
467 
acres 
90,662 
571 
4,942 
17,645 
23,233 
44,271 
NUMBER OF OPERATORS 
Total operators 
Farms by number of operators: 
number 
9,936 
44 
469 
1,050 
2,690 
2,964 
2,719 
1 operator 
3,322 
20 
116 
265 
884 
939 
1,098 
2 operators 
2,418 
9 
145 
295 
666 
739 
564 
3 operators 
403 
2 
13 
39 
94 
129 
126 
4 operators 
82 
- 
6 
14 
26 
20 
16 
5 or more operators 
35 
- 
“ 
4 
12 
13 
6 
Total women operators 
Farms by number of women operators: 
number 
3,391 
13 
174 
400 
940 
1,043 
821 
1 operator 
2,789 
9 
128 
328 
771 
847 
706 
2 operators 
230 
2 
23 
30 
66 
76 
33 
3 operators 
30 
- 
- 
- 
4 
11 
15 
4 operators 
5 
" 
3 
- 
1 
1 
5 or more operators 
4 
- 
- 
- 
3 
1 
- 
See footnote(s) at end of table. -continued 
2012 Census of Agriculture - State Data 
USDA, National Agricultural Statistics Service 
Maryland 201 
