FORM 13-A621(I) (09-23-2013) 
Section 12 - Irrigation of Horticultural Crops Grown 
in the Open by Water Source in 2013 
Report the water source percentage for each irrigation 
method listed. The percentage for ground water, on-farm 
water, and off-farm water should add to 100% for each 
method (row). 
Section 13 - Irrigation Area, Methods, and Water 
Applied to Horticultural Crops Under Protection in 
2013 
Report whether this operation irrigated any nursery, 
greenhouse, floriculture, mushrooms, propagative 
materials, or other horticultural crops grown under 
protection. Under protection includes horticultural crops 
grown under glass, rigid plastic, plastic film, including 
“tunnel” protection and hoop houses. If any horticultural 
crops on your operation were grown under protection, 
then complete this section. 
Item 2 - Report the total area and irrigated area under 
protection in square feet. Report the area only once, 
regardless of how many crops were grown for sale from 
the same area. Irrigation refers to one or more 
applications of water to land or crops by any artificial or 
controlled means. 
Item 3 - Report the area irrigated in square feet for each 
horticultural category listed. Report the area of each 
horticulture crop, even when multiple crops were 
harvested off the same land. For example, if two crops 
of annual bedding plants were grown from 1 ,000 square 
feet, enter 1 ,000 in the Floriculture and Bedding Crops 
category. If 500 square feet of food crops were also 
grown in the same area, then also report 500 in the 
Food crops grown under protection category. For each 
category, enter the total area under protection that was 
irrigated. 
Report crops grown on this operation in the appropriate 
category: 
a. Floriculture and bedding crops - Bedding/garden 
plants, cut flowers and cut florist greens, indoor 
foliage plants, potted flowering plants 
b. Nursery crops - Ornamentals, shrubs, shade trees, 
fruit and nut trees, vines, palms, ornamental grasses, 
evergreens not for Christmas tree production, 
deciduous trees and shrubs, aquatic plants 
c. Propapative materials - Bulbs, corms, rhizomes, and 
tubers; cuttings, seedlings, linings, and plugs; flower 
and vegetable seeds; tobacco transplants; vegetable 
transplanted. 
d. Food crops grown under protection 
e. Mushrooms 
f. Other - If more than one crop was grown for this 
category, report the primary type of crop in the 
specify area. 
Item 4 - Report the area irrigated or watered for 
horticultural crops grown under protection in 2013 by 
irrigation method used on this operation. 
If more than one method was used, report area in all 
methods that apply. Report quantity of water in the unit 
of measure most used for each method. If the total 
quantity of water, column 2a, and the unit of measure, 
column 2b, is known, then skip column 3. 
Report for the following irrigation methods: 
a. Hand Watered 
b. Gravity Irripation - refers to the free-flowing 
application of water. 
c. Sprinkler - Exclude hand-held sprinklers. 
d. Drip, trickle, or low-flow micro irripation - the water is 
distributed down the rows by tapes which meter out 
small amounts of water at low pressure near the 
plant’s roots. 
e. Subirripation - this is sometimes referred to as water 
seepage. It is used to maintain a water table at a 
predetermined depth. Normally these systems are 
permanently in place below the rootline. Water is 
usually applied by using emitters. Include hydroponic 
in this category. 
The total area reported, by method used, should be 
equal to or greater than item 2, irrigated area, code 
0629. 
Section 14 - Irrigation of Horticultural Crops Grown 
Under Protection by Water Source in 2013 
Report the water source percentage for each irrigation 
method listed. The percentage for ground water, on-farm 
water, and off-farm water should add to 100% for each 
method (row). 
Definitions of Water Sources 
Ground water is water from a well or wells located on 
this farm. 
On farm surface water is a water supply not controlled 
by a water supply organization and includes water from 
a stream, drainage ditch, lake, pond, spring, or reservoir 
on or adjacent to your farm. 
Off-farm surface water is surface or ground water from 
U.S. Bureau of Reclamation, other Federal agencies, or 
other suppliers. 
Section 15 — Expenditures for Irrigation Facilities 
and Equipment on This Operation in 2013 
For the construction and improvement categories report 
the cost of the expenditure in column 1, the irrigated 
acres affected in column 2, the primary purpose ID code 
of the expenditure in column 3, and the primary source 
ID code of the funding assistance in column 4 if any 
were received. 
6 
2012 Census of Agriculture Appendix B B - 35 
USDA, National Agricultural Statistics Service 
