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DRY-FARMING: A SYSTEM OF AGRICULTURE FOR COUNTRIES UNDER A LOW RAINFALL TEXT

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Page 1 3 matches to Professor L. A. Merrill, with whom I have collaborated for many years in the study of the possibilities of dry-farming in Western America. The possibilities of dry-farming are st Page 2 2 matches est, and especially over the so-called "desert" regions, with their sparse population, meteorological stations are not numerous, nor is it easy to secure accurate data from them. It i Page 3 1 match definition, man is usually the cause. Occasionally, relatively dry years occur, but they are seldom dry enough to cause crop failures if proper methods of farming have been practiced Page 4 2 matches a normal state of fertility and crop production only after several years of exposure to the elements. The humid farmer, knowing this, is usually very careful not to let his plow ente Page 5 5 matches was 43 per cent of the total weight of seed and straw. Nobbe, a few years later, found in one of his experiments that the roots of timothy weighed 31 per cent of the weight of the hay Page 6 5 matches often 500 times the sizes of the smallest. It would take 50 of the coarsest sand particles, and 25,000 of the finest silt particles, to form one lineal inch. The clay particles are o Page 7 4 matches uestion remains, Is it possible to store the rainfall of successive years in the soil for the use of one crop? In short, Does the practice of clean fallowing or resting the ground wit Page 8 3 matches antities into the atmosphere and thus lost to plant use. Over forty years ago, Nessler subjected this question to experiment and found that the loss by evaporation occurs almost wholl Page 9 6 matches Whitney recorded this observation with considerable surprise, many years ago, and other observers have found the same conditions at nearly all points of the arid region. This matter Page 10 5 matches ve absorption; that is, the plant, because of its vital activity, appears to have the power of selecting from the soil certain substances and rejecting others. Movement of water thro Page 11 9 matches s done to answer the above questions for over one hundred and fifty years. Perhaps the question was not even asked during this period, for scientific agriculture was just coming into Page 12 7 matches ce to accept clean summer fallowing as a principle of dry-farming appears chicfly among students of the Great Plains area. Even there it is admitted by all that a wheat crop following Page 13 5 matches ination. The drill, the advantages of which were taught two hundred years ago by Jethro Tull, is one of the most valuable implements of modern agriculture. On dry-farms it is indispen Page 14 12 matches from humid sections adapts itself to arid conditions in a very few years. Escobar reports a native corn grown in Mexico with low stalks and small ears that well endures desert condit Page 15 5 matches the preceding pages should be carefully used. Potatoes In recent years, potatoes have become one of the best dry-farm crops. Almost wherever tried on lands under a rainfall of twel Page 16 13 matches corn, with the result that great crops of stalks and leaves with no ears are obtained. The only safe rule for the dry-farmer to follow is to use seed which has been grown for many ye Page 17 9 matches al methods favoring the growth of the nitrogen-gathering bacteria appears at present to be the first solution of the nitrogen question. Meanwhile, the activity of the nitrogen-gatheri Page 18 8 matches rn dry-farm constructed by the farmer himself which for a number of years has shown itself of high efficiency in keeping the dry-farm free from weeds. Several improved modifications o Page 19 1 match n districts where electric power is available. During the last few years considerable work has been done to determine the feasibility of raising water for irrigation by pumping. Fort Page 20 9 matches and women could live in Mesopotamia, for example, for thousands of years without discovering methods whereby the fertile soils could be made to produce crops in a small degree at lea Page 21 7 matches icultural problems of the state of California. During the first few years of their existence, the stations were busy finding men and problems. The problems nearest at hand were those Page 22 25 matches efly in the summer, the summer fallow is less important in ordinary years than where the summers are dry and the winters wet. Only an absolutely clean fallow should be permitted. The Page 23 6 matches In one section of the district where the rainfall for the last few years has been only about ten or eleven inches, wheat has been produced successfully. This corroborates the experie
afterward. If the land plowed in the fall is to lie fallow for the 19984 characters on this page
afterward. If the land plowed in the fall is to lie fallow for the winter, leave it in the rough condition, except in localities where there is little or no snow and the winter temperature is high. Always disk the land in early spring, to prevent evaporation. Follow the disk with the harrow. Harrow, or in some other way stir the surface of the soil after every rain. If crops are on the land, harrow as long as the plants will stand it. If hoed crops, like corn or potatoes, are grown, use the cultivator throughout the season. A deep mulch or dry soil should cover the land as far as possible throughout the summer. Immediately after harvest disk the soil thoroughly. Destroy weeds as soon as they show themselves. A weedy dry-farm is doomed to failure. Give the land an occasional rest, that is, a clean summer fallow. Under a rainfall of less than fifteen inches, the land should be summer fallowed every other year; under an annual rainfall of fifteen to twenty inches, the summer fallow should occur every third or fourth year. Where the rainfall comes chiefly in the summer, the summer fallow is less important in ordinary years than where the summers are dry and the winters wet. Only an absolutely clean fallow should be permitted. The fertility of dry-farm soils must be maintained. Return the manure; plow under green leguminous crops occasionally and practice rotation. On fertile soils plants mature with the least water. Sow only by the drill method. Wherever possible use fall varieties of crops. Plant deeply--three or four inches for grain. Plant early in the fall, especially if the land has been summer fallowed. Use only about one half as much seed as is recommended for humid-farming. All the ordinary crops may be grown by dry-farming. Secure seed that has been raised on dry-farms. Look out for new varieties, especially adapted for dry-farming, that may be brought in. Wheat is king in dry-farming; corn a close second. Turkey wheat promises the best. Stock the dry-farm with the best modern machinery. Dry-farming is possible only because of the modern plow, the disk, the drill seeder, the harvester, the header, and the thresher. Make a home on the dry-farm. Store the flood waters in a reservoir; or pump the underground waters, for irrigating the family garden. Set out trees, plant flowers, and keep some live stock. Learn to understand the reasons back of the principles of dry-farming, apply the knowledge vigorously, and the crop cannot fail. Always farm as if a year of drouth were coming. Man, by his intelligence, compels the laws of nature to do his bidding, and thus he achieves joy. "And God blessed them--and God said unto them, Be fruitful and multiply and replenish the earth, and subdue it." CHAPTER XIX THE YEAR OF DROUTH The Shadow of the Year of Drouth still obscures the hope of many a dry-farmer. From the magazine page and the public platform the prophet of evil, thinking himself a friend of humanity, solemnly warns against the arid region and dry-farming, for the year of drouth, he says, is sure to come again and then will be repeated the disasters of 1893-1895. Beware of the year of drouth. Even successful dry-farmers who have obtained good crops every year for a generation or more are half led to expect a dry year or one so dry that crops will fail in spite of all human effort. The question is continually asked, "Can crop yields reasonably be expected every year, through a succession of dry years, under semiarid conditions, if the best methods of dry-farming be practiced?" In answering this question, it may be said at the very beginning, that when the year of drouth is mentioned in connection with dry-farming, sad reference is always made to the experience on the Great Plains in the early years of the '90's. Now the fact of the matter is, that while the years of 1893,1894, and 1895 were dry years, the only complete failure came in 1894. In spite of the improper methods practiced by the settlers, the willing soil failed to yield a crop only one year. Moreover, it should not be forgotten that hundreds of farmers in the driest section during this dry period, who instinctively or otherwise farmed more nearly right, obtained good crops even in 1894. The simple practice of summer fallowing, had it been practiced the year before, would have insured satisfactory crops in the driest year. Further, the settlers who did not take to their heels upon the arrival of the dry year are still living in large numbers on their homesteads and in numerous instances have accumulated comfortable fortunes from the land which has been held up so long as a warning against settlement beyond a humid climate. The failure of 1894 was due as much to a lack of proper agricultural information and practice as to the occurrence of a dry year. Next, the statement is carelessly made that the recent success in dry-farming is due to the fact that we are now living in a cycle of wet years, but that as soon as the cycle of dry years strikes the country dry-farming will vanish as a dismal failure. Then, again, the theory is proposed that the climate is permanently changing toward wetness or dryness and the past has no meaning in reading the riddle of the future. It is doubtless true that no man may safely predict the weather for future generations; yet, so far as human knowledge goes, there is no perceptible average change in the climate from period to period within historical time; neither are there protracted dry periods followed by protracted wet periods. The fact is, dry and wet years alternate. A succession of somewhat wet years may alternate with a succession of somewhat dry years, but the average precipitation from decade to decade is very nearly the same. True, there will always be a dry year, that is, the driest year of a series of years, and this is the supposedly fearful and fateful year of drouth. The business of the dry-farmer is always to farm so as to be prepared for this driest year whenever it comes. If this be done, the farmer will always have a crop: in the wet years his crop will be large; in the driest year it will be sufficient to sustain him. So persistent is the half-expressed fear that this driest year makes it impossible to rely upon dry-farming as a permanent system of agriculture that a search has been made for reliable long records of the production of crops in arid and semiarid regions. Public statements have been made by many perfectly reliable men to the effect that crops have been produced in diverse sections over long periods of years, some as long as thirty-five or forty year's, without one failure having occurred. Most of these statements, however, have been general in their nature and not accompanied by the exact yields from year to year. Only three satisfactory records have been found in a somewhat careful search. Others no doubt exist. The first record was made by Senator J. G. M. Barnes of Kaysville, Utah. Kaysville is located in the Great Salt Lake Valley, about fifteen miles north of Salt Lake City. The climate is semiarid; the precipitation comes mainly in the winter and early spring; the summers are dry, and the evaporation is large. Senator Barnes purchased ninety acres of land in the spring of 1887 and had it farmed under his own supervision until 1906. He is engaged in commercial enterprises and did not, himself, do any of the work on the farm, but employed men to do the necessary labor. However, he kept a close supervision of the farm and decided upon the practices which should be followed. From seventy-eight to eighty-nine acres were harvested for each crop, with the exception of 1902, when all but about twenty acres was fired by sparks from the passing railroad train. The plowing, harrowing, and weeding were done very carefully. The complete record of the Barnes dry-farm from 1887 to 1905 is shown in the table on the following page. Record of the Barnes Dry-farm, Salt Lake Valley, Utah (90 acres) Year Annual Yield When When Rainfall per Acre Plowed Sown (Inches) (Bu.) 1887 11.66 --- May Sept. 1888 13.62 Failure May Sept. 1889 18.46 22.5 --- Volunteer+ 1890 10.38 15.5 --- --- 1891 15.92 Fallow May Fall 1892 14.08 19.3 --- --- 1893 17.35 Fallow May Fall 1894 15.27 26.0 --- --- 1895 11.95 Fallow May Aug. 1896 18.42 22.0 --- --- 1897 16.74 Fallow Spring Fall 1898 16.09 26.0 --- --- 1899 17.57 Fallow May Fall 1900 11.53 23.5 --- --- 1901 16.08 Fallow Spring Fall 1902 11.41 28.9 Sept. Fall 1903 14.62 12.5 --- --- 1904 16.31 Fallow Spring Fall 1905 14.23 25.8 --- --- +About four acres were sown on stubble. The first plowing was given the farm in May of 1887, and, with the exception of 1902, the land was invariably plowed in the spring. With fall plowing the yields would undoubtedly have been better. The first sowing was made in the fall of 1887, and fall grain was grown during the whole period of observation. The seed sown in the fall of 1887 came up well, but was winter-killed. This is ascribed by Senator Barnes to the very dry winter, though it is probable that the soil was not sufficiently well stored with moisture to carry the crop through. The farm was plowed again in the spring of 1888, and another crop sown in September of the same year. In the summer of 1889, 22-1/2 bushels of wheat were harvested to the acre. Encouraged by this good crop Mr. Barnes allowed a volunteer crop to grow that fall and the next summer harvested as a result 15-1/2 bushels of wheat to the acre. The table shows that only one crop smaller than this was harvested during the whole period of nineteen years, namely, in 1903, when the same thing was done, and one crop was made to follow another without an intervening fallow period. This observation is an evidence in favor of clean summer fallowing. The largest crop obtained, 28.9 bushels per acre in 1902, was gathered in a year when the next to the lowest rainfall of the whole period occurred, namely, 11.41 inches. The precipitation varied during the nineteen years from 10.33 inches to 18.46 inches. The variation in yield per acre was considerably less than this, not counting the two crops that were grown immediately after another crop. All in all, the unique record of the Barnes dry-farm shows that through a period of nineteen years, including dry and comparatively wet years, there was absolutely no sign of failure, except in the first year, when probably the soil had not been put in proper condition to support crops. In passing it maybe mentioned that, according to the records furnished by Senator Barnes, the total cost of operating the farm during the nineteen years was $4887.69; the total income was $10,144.83. The difference, $5257.14, is a very fair profit on the investment of $1800--the original cost of the farm. The Indian Head farm An equally instructive record is furnished by the experimental farm located at Indian Head in Saskatchewan, Canada, in the northern part of the Great Plains area. According to Alway, the country is in appearance very much like western Nebraska and Kansas; the climate is distinctly arid, and the precipitation comes mainly in the spring and summer. It is the only experimental dry-farm in the Great Plains area with records that go back before the dry years of the early '90's. In 1882 the soil of this farm was broken, and it was farmed continuously until 1888, when it was made an experimental farm under government supervision. The following table shows the yields obtained from the year 1891, when the precipitation records were first kept, to 1909:-- RECORD OF INDIAN HEAD EXPERIMENTAL FARM AND MOTHERWELL'S FARM, SASKATCHEWAN, CANADA Year Annual Bushels of Wheat Bushels of Wheat Bushels of Wheat Rainfall per Acre per Acre per Acre (Inches)+ Experimental Experimental Motherwell's Farm Farm--Fallow Farm--Stubble 1891 14.03 35 32 30 1892 6.92 28 21 28 1893 10.11 35 22 34 1894 3.90 17 9 24 1895 12.28 41 22 26 1896 10.59 39 29 31 1897 14.62 33 26 35 1898 18.03 32 --- 27 1899 9.44 33 --- 33 1900 11.74 17 5 25 1901 20.22 49 38 51 1902 10.73 38 22 28 1903 15.55 35 15 31 1904 11.96 40 29 35 1905 19.17 42 18 36 1906 13.21 26 13 38 1907 15.03 18 18 15 1908 13.17 29 14 16 1909 13.96 28 15 23 +Snowfall not included. This has varied from 2.3 to 1.3 inches of water. The annual rainfall shown in the second column does not include the water which fell in the form of snow. According to the records at hand, the annual snow fall varied from 2.3 to 1.3 inches of water, which should be added to the rainfall given in the table. Even with this addition the rainfall shows the district to be of a distinctly semiarid character. It will be observed that the precipitation varied from 3.9 to 20.22 inches, and that during the early '90's several rather dry years occurred. In spite of this large variation good crops have been obtained during the whole period of nineteen years. Not one failure is recorded. The lowest yield of 17 bushels per acre came during the very dry year of 1894 and during the somewhat dry year of 1900. Some of the largest yields were obtained in seasons when the rainfall was only near the average. As a record showing that the year of drouth need not be feared when dry-farming is done right, this table is of very high interest. It may be noted, incidentally, that throughout the whole period wheat following a fallow always yielded higher than wheat following the stubble. For the nineteen years, the difference was as 32.4 bushels is to 20.5 bushels. The Mother well farm In the last column of the table are shown the annual yields of wheat obtained on the farm of Commissioner Motherwell of the province of Saskatchewan. This private farm is located some twenty-five miles away from Indian Head, and the rainfall records of the experimental farm are, therefore, only approximately accurate for the Motherwell farm. The results on this farm may well be compared to the Barnes results of Utah, since they were obtained on a private farm. During the period of nineteen years good crops were invariably obtained; even during the very dry year of 1894, a yield of twenty-four bushels of wheat to the acre was obtained. Curiously enough, the lowest yields of fifteen and sixteen bushels to the acre were obtained in 1907 and 1908 when the precipitation was fairly good, and must be ascribed to some other factor than that of precipitation. The record of this farm shows conclusively that with proper farming there is no need to fear the year of drouth. The Utah drouth of 1910 During the year of 1910 only 2.7 inches of rain fell in Salt Lake City from March 1 to the July harvest, and all of this in March, as against 7.18 inches during the same period the preceding year. In other parts of the state much less rain fell; in fact, in the southern part of the state the last rain fell during the last week of December, 1909. The drouth remained unbroken until long after the wheat harvests. Great fear was expressed that the dry-farms could not survive so protracted a period of drouth. Agents, sent out over the various dry-farm districts, reported late in June that wherever clean summer fallowing had been practiced the crops were in excellent condition; but that wherever careless methods had been practiced, the crops were poor or killed. The reports of the harvest in July of 1910 showed that fully 85 per cent of an average crop was obtained in spite of the protracted drouth wherever the soil came into the spring well stored with moisture, and in many instances full crops were obtained. Over the whole of the dry-farm territory of the United States similar conditions of drouth occurred. After the harvest, however, every state reported that the crops were well up to the average wherever correct methods of culture had been employed. These well-authenticated records from true semi-arid districts, covering the two chief types of winter and summer precipitation, prove that the year of drouth, or the driest year in a twenty-year period, does not disturb agricultural conditions seriously in localities where the average annual precipitation is not too low, and where proper cultural methods arc followed. That dry-farming is a system of agricultural practice which requires the application of high skill and intelligence is admitted; that it is precarious is denied. The year of drouth is ordinarily the year in which the man failed to do properly his share of the work. CHAPTER XVIII THE PRESENT STATUS OF DRY-FARMING It is difficult to obtain a correct view of the present status of dry-farming, first, because dry-farm surveys are only beginning to be made and, secondly, because the area under dry-farm cultivation is increasing daily by leaps and bounds. All arid and semiarid parts of the world are reaching out after methods of soil culture whereby profitable crops may be produced without irrigation, and the practice of dry-farming, according to modern methods, is now followed in many diverse countries. The United States undoubtedly leads at present in the area actually under dry-farming, but, in view of the immense dry-farm districts in other parts of the world, it is doubtful if the United States will always maintain its supremacy in dry-farm acreage. The leadership in the development of a science of dry-farming will probably remain with the United States for years, since the numerous experiment stations established for the study of the problems of farming without irrigation have their work well under way, while, with the exception of one or two stations in Russia and Canada, no other countries have experiment stations for the study of dry-farming in full operation. The reports of the Dry-farming Congress furnish practically the only general information as to the status of dry-farming in the states and territories of the United States and in the countries of the world. California In the state of California dry-farming has been firmly established for more than a generation. The chief crop of the California dry-farms is wheat, though the other grains, root crops, and vegetables are also grown without irrigation under a comparatively small rainfall. The chief dry-farm areas are found in the Sacramento and the San Joaquin valleys. In the Sacramento Valley the precipitation is fairly large, but in the San Joaquin Valley it is very small. Some of the most successful dry-farms of California have produced well for a long succession of years under a rainfall of ten inches and less. California offers a splendid example of the great danger that besets all dry-farm sections. For a generation wheat has been produced on the fertile Californian soils without manuring of any kind. As a consequence, the fertility of the soils has been so far depleted that at present it is difficult to obtain paying crops without irrigation on soils that formerly yielded bountifully. The living problem of the dry-farms in California is the restoration of
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