Show WATER USED BY MANY CROPS alfalfa falfa when once started can withstand almost any degree of j drought for long P period clods drought ressa in crops does dogs not seem to be so much lauch a matter of at using a small 11 amriet of water aa as of ability to go after water in the eoll soil or to valt wait until moisture comes this conclusion may be drawn from investigations being made by the united states department of agriculture in colorado to determine the water requirements ot of different kinds of plants alfalfa Is to generally considered a very drought resistant crop when once started it can withstand almost any degree dezree of drought foi tot long periods but to produce the same quantity of dry matter alealia requires more than twice aa as much water as cops corn alfalfa requires pounds 0 of water for each pound of dry matter it produces on the other band corn which Is not considered very drought resistant si al requires only pounds ol 01 water to produce a pound of dry matter all of the leguminous crops including peas beans vetches detches vet ches alfalfa sweet cincer and other clovers require largo large amounts of v ater in proportion to the dry matter they produce some ot at the tile most common weeds such aa v LS tumble weeds and russian thistles es require a very amount at 0 water in proportion to dry matter tho the cereal crops come beewen the legumes and the weeds wheat uses pounds of water ater for each pound of at dry matter and oats uses pounds buffalo grass is ono one of 0 the tile most economical of all plants in its use of latr it requires only pounds of water to produce a pound of at dry matter in the colorado experiments it was necessary to protect the plants from birds winds and Lall storms by means of wire covered the screen reduced solar radiation to about SO 80 per cent of the nornal under the conditions of 0 the experiment the average amount of water required to produce one pound of dry matter with each kind of plant is ns as follows Sl millet illet pounds sorghum org hum pounds corn pounds wheat pounds barley pounds tick wheat pounds katr pounds rye pounds 12 ax 05 pounds soy beans pounds sweet clover pounds vetches detches vet ches pounds clovers pounds and alfalfa pounds |