692 



INDEX 



Insects (Continued). 



Mediterranean flour moth, 496. 

 weevil, granary, 489. 



rice, 491. 



enemies of the growing crop, 471. 

 army' worm, 485. 

 fall, 485. 

 wheat-head, 486. 

 bulb worm, 484. 

 chinch bug, 477. 

 control, 479. 

 life history, 478. 

 parasites, 480. 

 eradication of. See discussion 



of each insect. 

 Hessian fly, 471. 

 effects of, 474. 

 enemies of, 475. 

 food, 472. 

 life history, 473. 

 prevention, 476. 

 relation to climate, 476. 

 rice grub, 633. 

 rice stalk borer, 633. 

 rice water weevil, 632. 

 sawflies, 487. 

 spring grain louse, 481. 

 wheat joint worm, 483. 

 wheat midge, 480. 

 wheat straw worm, 482. 

 Intermediate barley, 134. 

 Introductions, 160, 290. 

 into Michigan, 166. 

 into Pacific Coast region, 167. 

 of buckwheat, 586. 

 of durum wheat, 164. 

 of hard winter wheats, 162. 

 of rice, 614. 

 Irrigation, 420. 



acre foot of water, yield of, 430. 

 alkali menace, 435. 

 barley, 432. 

 clearing land, 420. 

 cover-crops, 433. 

 drainage, 437. 

 duty of water, 426. 

 increasing the, 429. 

 in Idaho, 427. 

 in Utah, 428. 

 in Wyoming, 428. 



Irrigation (Continued). 

 effects on crop, 432. 

 fall, 425. 

 leveling, 420. 

 methods, comparison of, 422. 



border, 421. 



checks, 421. 



corrugation, 422. 



furrow, 422. 

 nurse-crops, 434. 

 oats, 432. 

 precipitation, making the most 



of the, 429. 



quantity of water, 426. 

 rice, 623. 



rotation of crops, 423. 

 rye, 434. 



seeding, 423, 431. 

 spring grain, 424. 

 time of, 423. 

 water requirement, 427. 

 wheat, 431. 

 winter, 425. 



Jointing, 18. 

 Kernel, 10. 



Land, clearing new, 404. 



breaking, 404. 

 Leaf, 5. 



seedling, 17. 



structure, 23. 

 Lemma, 7. 

 Ligule, 5. 

 Lime, 235. 



applications, 308. 



importance, 235. 



sources of, 308. 



spreader, 309. 



using of, 307. 

 Linsser's Law, 276. 

 Lodicule, 7. 

 Lodging, wheat, 29. 



Macaroni, 85, 558. 



characteristics, 558. 



manufacture, 558. 



semolina for, 557. 

 Mediterranean oats, 100. 



