INDEX OF SUBJECT MATTEK 



573 



Factors influencing rise of soil tempera- 

 ture, 231. 

 Farm manure, a direct and indirect fer- 

 tilizer, 504. 

 agricultural value of, 513. 



agricultural value of protected ma- 

 nure, 525. 



amounts applied, 527. 



amount produced by cows, 514. 



amounts produced by farm animals, 

 513. 



amount produced by horses, 514. 



amount produced by poultry, 514. 



amount produced by sheep, 514. 



amount produced by steers, 514. 



amount produced by swine, 514. 



average composition of, 504. 



care of in stalls, 520. 



characteristics of, 500. 



commercial evaluation of, 512. 



composition of from various animals, 

 501. 



covered yards for, 523. 



effect on carbon dioxide of soil air, 

 254. 



efficient application of, 525. 



evaluation of, 512. 



factors influencing composition of, 

 506. 



fermentation and putrefaction of, 

 508. 



fresh and well rotted compared, 511. 



fresh and yard, crop effects, 512. 



hauling directly to field, 521. 



importance of, 499. 



importance of its decay, 511. 



importance of protection, 524. 



importance of tight floors, 521. 



influence of handling on, 507. 



influence of tramping on, 524. 



influence on cotton, 535. 



influence on maize, 534. 



influence on meadows, 532. 



influence on potatoes, 534. 



influence on tobacco, 535. 



liquid and sr 1 ^' -"~>rared, 502. 



loss of const >u, 508, 515. 



losses during and storage, 



519. 



maintenance of toll organic matter 

 by, 124, 519. 559. 



modern mai iu ial i>\ ice, 520. 



Farm manure, nutrient losses during pro- 

 duction, 516. 



outstanding characteristics of, 505. 



piles outside, 522. 



pits for, 523. 



place in rotation, 532. 



produced by animals, calculation of, 

 514. 



products of decay, 510. 



reinforcement of, 527. 



residual effects of, 531. 



resume of use, 535. 



use of in sulfur composts, 406. 



use of lime with, 530. 



use of litter with, 521. 



use in composting, 530. 



variability of, 506. 

 Feldspar as a fertilizer, 465. 

 Fermentation, defined, 103, 410. 



of farm manure, 508. 

 Fertility, maintenance of as influenced by 



different types of farming, 558. 

 Fertility of soil, defined, 554. 



effect on transpiration ratio, 192. 



possible exhaustion of, 308. 

 Fertility evaluations by means of a 



chemical analysis, 323. 

 Fertilization, systems of, 496. 

 Fertilizers, advantages of home mixing, 

 485. 



amounts to apply, 492. 



brands of, 478. 



calculations of for home-mixing, 487. 



carrying free sulfur, 467. 



catalytic, 466. 



containing nitrogen, 444. 



containing phosphorus, 454. 



containing potash, 463. 



development of their use. 442. 



early use of, 442. 



effect of on soil acidity, 353. 



element in the minimum, 476. 



factors which determine the choice 

 of, 488. 



farm manure, 504. 



formulae, for different soils and crops, 

 491. 



formulas, nature of, 489. 



formulas, theory of, 490. 



function of, 444. 



guarantees of, 481. 



how to buy, 483. 



