The results for four years of varying rates of seeding of Cayuga soybeans as influenced both by the spacing within the row and the width between the rows lead to the following general conclusions. The specific conclusions directly applicable to early-maturing soybean varieties as represented by Cayuga were presented above as the experimental results were discussed. 1. The nearer the arrangement of plants on a given area approaches a uniform distribution, the greater will be the yield. Other things being equal, the narrower the distance between rows until the distance between rows equals the space between plants in the row, the greater the yield. 2. Within wide ranges the number of plants per square foot of area has little effect on net increases. There is nothing to be gained by seeding beyond a given optimum. 3. The soybean plant, like many others, has the ability to make wide adjustments to space. 4. Optimum rates and spacings for soybeans should be determined not only for the various soybean-producing areas but also for the varieties to be grown. Large-growing, late-maturing varieties would hardly be expected to require the same rate or spacing for optimum yields that small-growing, early-maturing varieties require. 5. A variety of soybeans has an optimum number of plants per unit area for the maximum net increase. For Cayuga this rate is 6 plants per square foot.

By means of nitrogen metabolism experiments with white fish meal on rats and sheep, it was found that the apparent and true digestibilities of the white fishmeal protein are respectively 79 and 97 percent with rats and 63 and 87 per cent with sheep. The biological value as determined by rats at approximately 9 per cent protein level is 90 and for sheep at approximately 14 percent level 74. It is concluded that white fishmeal is a good protein feed for growing sheep.

1. On a Cecil loam soil which had received a complete fertilizer during the previous season Korean lespedeza did not give a significant response to lime and fertilizer and Kobe lespedeza responded slightly to lime. 2. On a Cecil gravelly loam soil, which was too poor for normal growth without treatment, Kobe, Korean, common, and sericea lespedeza responded to phosphae and lime. The Korean variety responded more to lime than either Kobe or common. 3. In their ability to survive drought under conditions of low phosphate availability the varieties ranked with Kobe first, Korean second, and common third. Common seemed unable to survive drought with the level of fertilizer treatment provided. Lespedeza sericea with its perennial root was not affected by the drought. 4. The calcium and crude protein content of Kobe and Korean lespedeza plants growing on the Cecil gravelly loam were increased by the addition of both lime and superphosphate. The phosphorus content was increased by application of superphosphate.

Greenhouse studies were made by growing two crops of sagrain on 12 different soils, representing four samples of Susquehanna, Ruston, and Orangeburg fine sandy loams. The available P(2)O(5) in each soil, which had received different phosphate treatments, was determined by the Truog method. Susquehanna fine sandy loam, a poor soil in the field, gave as high yields in the greenhouse as Ruston and Orangeburg fine sandy loams, two excellent agricultural soils. All of the soils studied in the greenhouse contained less than 6 ppm available P(2)O(5), and 11 of the 12 responded to the first phosphate applications, but none responded to heavier applications. Sagrain yielded as well on soils with 10 ppm available P(2)O(5) as on those with 40 ppm. Maximum yields were obtained on many soils with only 8 ppm (16 pounds per acre) available P(2)O(5). Field studies were made by growing cotton on 10 different soils for five years. Soil samples were obtained from the 4-8-4 and 4-0-4 treated plats and available P(2)O(5) was determined by the Truog method. The 10 soils varied greatly in their response to phosphorus. Those containing less than 6 ppm available P(2)O(5) gave excellent response; those containing from 6 to 15 ppm gave some response; but those containing more than 15 ppm gave very little or no response to phosphorus, although available P(2)O(5) was greatly increased by the phosphate application. Cotton and sagrain failed to respond to phosphate applications on soils containing 15 ppm or more available P(2)O(5), which indicates that under southern conditions crops do not require large quantities of phosphorus. Most southern soils do not contain 15 ppm available P(2)O(5) and require phosphorus, but applications should not be made without determining the available P(2)O(5) present. It is believed that when nitrogen and potassium are limited and phosphorus fixation is at a minimum, phosphate recommendations for cotton and sorghum may be made on the following basis: Soils containing less than 6 ppm available P(2)O(5) require liberal applications, those containing from 6 to 15 ppm require light applications, but those containing more than 15 ppm require very little or no phosphorus.