182 



EXPERIMENT STATION RECORD 



Cowpea— Continued. , ., » ,.n\ 



and sorghum silage, mineral constituents, (40) 



769. 

 beetle, longicorn, (40) 654. 

 Cercospora disease, notes, (39) 453. 

 diseases, descriptions, (30) 351. 

 fly in Philippines, (40) 457. 

 hay- 

 analyses, (31) 437. 

 ash analyses, (29) 861. 

 composition, (27) 068. 

 cost of production, (39) 294. 

 difiestibility, (27) 069; (37) 168. 

 effect on bacterial activity of soils, (35) 216. 

 feeding value, (40) 667. 

 mineral constituents, digestibility, (40) 769. 

 V. alfalfa hav for dairy cows, (29) 876. 

 leaf spot, notes, (35) 749; (39) 52. 

 meal, availability of nitrogen in, (26) 124; (27) 



723. 

 plant louse, notes, (28) 653. 

 pod weevil, notes, (37) 659. 

 Rhizoctonia diseases, notes, (30) 845. 

 root rot, notes, (29) 445. 

 seed, half-grown, (39) 841. 

 silage, analyses, (27) 469. 

 vines, nitrification in soils, (26) 722. 

 weevil — 



biology and control, (39) 363. 

 control, (31) 256, 553; (37) 262; (39) 664. 

 in Hawaiian Islands, (40) 266. 

 injurious to cotton, (37) 560. 

 notes, (34) 754. 

 studies, (28) 256; (31) 254. 

 wilt— 



and root knot, notes, (34) 643. 

 description, (28) 346. 

 notes, (29) 444; (30) 538; (32) 543; (39) 52. 

 Cowpeas— 



amino acid in, (33) 665. 

 analyses, (27) 68, 235; (29) 271. 

 anatomical structure, (28) 660. 

 and corn, associated growth, (33) 226; (35) 826; 

 (37) 731; (38) 32; (40) 627, 729. 

 kafir, silage from, (28) 734. 

 sorghum mixture for hay, (39) 128. 

 sorghum, sowing experiments, (28) 735. 

 soy beans, comparative yields, (40) 330. 

 as allected by — 



barium and strontium, (40) 819. 

 bean leaf beetle, (40) 860. 

 calcium and magnesium, (35) 726. 

 guanidin, (28) 427. 

 pod position, (34) 134. 

 as cover crop, (32) 332; (34) 736. 

 drv-farm crop, (39) 736. 

 forage crop, (31) 829; (37) 640. 

 green manure, (32) 225, 423; (34) 230; (35) 337; 



(37) 320, 425; (38) 220, 230; (39) 423. 

 preliminary crop for wheat, (38) 619. 

 silage crop, (31) 829. 

 ash analyses, (29) 861. 

 Blaekeye, as affected by salt, (40) 435. 

 Blackeye, drought resistance, (39) 835. 

 breeding experiments, (36) 646. 

 breeding for disease resistance, (30) 331. 

 color correlation in, (30) 636. 

 color inheritance in, (26) 36. 

 coloration of seed coat, (31) 130. 

 colorations in, studies, (27) 632. 

 cost of production, (33) 293. 

 creatinm in, (26) 419. 



culture, (26) 830; (27) 32, 340; (30) 139, 232, 335; 

 (31) 265; (32) 226, 431, 736; (34) 630, 694; (38) 

 231, 567. 

 culture — 



and use, (31) 832; (35) 33. 

 experiments, (26) 422, 632, 830; (27) 235, 735, 

 841; (29) 830; (30) 229, 434, 632; (31) 37, 829; 

 (33) 31, 225, 229, 830; (34) 227; (35) 526; (36) 

 340; (37) 329; (38) 217, 334, 336, 632, 827, 829, 

 830; (39) 128, 835; (40) 624. 

 in German East Africa, (27) 419. 

 Guam, (40) 328. 

 Hawaii, (40) 823. 

 Illinois, (37) 438. 

 Montana, (33) 526. 

 North Carolina, (31) 132. 

 Philippines, (26) 361; (30) 237; (36) 230; 

 (40) 231. 



Cowpea.s — Continued, 

 culture— continued . 



in Porto Rico, (29) 631. 

 Rhodesia, (27) 32, 637. 

 the cotton belt, (32) 631. 

 Tucuman, (37) 134. 

 western Nebraska, (32) 224. 

 on Ozark uplands, (38) 217. 

 on Wisconsin drift soil, (36) 623. 

 under dry farming, (30) 435; (37) 329. 

 disking v. plowing under, (33) 226. 

 drilling v. broadcasting, (33) 33. 

 effect on — 



following wheat crop, (37) 732. 

 soil, (34) 420. 



soil nitrogen, (26) 196; (31) 733. 

 yield of wheat, (35) 826. 

 elongation of hypocotyl, (28) 39, 7.39. 

 feeding value, (34) 867. 



fertilizer experiments, (26) 422, 426, 631, 830; 

 (29) 829; (30) 820; (31) 829; (32) 819; (35) 428, 

 520; (36) 427; (38) 217, 517; (39) 421, 624, 728; 

 (40) 218, 323, 624. 

 fertilizing value, (32) 321, 629; (33) 227; (35) 125. 

 field tests in Fiji, (40) 231. 

 green, analyses, (30) 565. 

 ground, analyses, (39) 167. 

 growth as affected by manganese, (30) 823. 

 growth on partially sterilized soils, (35) 515. 

 hogging down, (35) 672. 

 inoculation experiments, (37) 729; (40) 215. 

 insects affecting, (27) 155. 

 irrigation experiments, (40) 331. 

 liming experiments, (28) 624; (32) 132; (36) 229; 



(39) 421, 729; (40) 126. 

 New Era, selection experiments, (36) 230. 

 nitrogen assimilation by, (33) 426. 

 nitrogen distribution in, (36) 269. 

 nodule bacteria of, (32) 327. 

 notes, (26) 362; (28) 532. 

 nutritive value and use in the diet, (29) 864. 

 oil content, (27) 717. 

 origin, (29) 229. 

 perennial, analyses, (28) 463. 

 plowing under, (38) 816. 

 recipes, (38) 567. 



rotation experiments, (40) 729, 829. 

 seed color variation in, (37) 334. 

 seeding experiments, (38) 32. 

 seeding with soy beans, (40) 829. 

 serpentine leaf miner affecting, (29) 857. 

 silage from, (39) 272. 



varieties, (26) 631, 828; (27) 335; (28) 735; (29) 31; 

 (30) 229, 525; (31) 37, 829; (32) 226, 527, 736; 

 (33) 32, 33, 229; (34) 228; (35) 337; (37) 235, 329, 

 330, 331, 439, 635; (38) 334, 336, 632, 827, 829, 

 830,832; (39) 337. 

 V3,ri6ti6S — 



catalogue of, (26) 635. 

 identification, (26) 635. 

 resistant to root knot, (27) 335. 

 variety tests, (39) 128, 434; (40) 32, 624, 729. 

 water requirement, (32) 127, 226. 

 wilting coefficient, (32) 335. 

 yields, (31) 226. 

 Cowpox — 



complement fixation in, (34) 877. 

 in horses, (38) 586. 

 Cows— see also Calves, Cattle, and Heifers, 

 advanced registry- 

 milk and fat production, (38) 377. 

 statistical weighting for age, (36) 272. 

 tests, (40) 773. 

 age as affecting production, (32) 575; (33) 97; 



(38) 176; (39) 381, 579. 

 age as affecting value, (35) 891. 

 age at first calving and milk production, (38) 



74; (40) 178. 

 aged, milk and milk fat of, (38) 578. 

 alfalfa hav for, (30) 72. 

 alfalfa v. clover for, (39) 578. 

 apple pomace for, (26) 72. 

 artificial fecundation of, (33) 71. 

 as affected by — 



alkali water, (30) 775. 

 cottonseed meal, (.35) 871, 872. 

 environment and breeding, (35) 570. 

 extra care, (35) 873. 



extracts of pituitary body and corpus 

 luteum, (29) 578. 



