PROMISING GREEN-MANURE CROPS. 
27 
TaBLE I.—Growth of plants and weight per acre of green-manure crops sown with arriga- 
tion October 19, 1907, at Chico, Cal. 
; Height of} Weight of 
Rate o plants, | green ma- 
Name. seeding. | March 18,/nure, March 
1908. 28, 1908. 
1 ae ee ee, oe 
Pounds. | Inches. Pounds. 
: 2 
Bilvekabithenveccha wes 1) Scr eee ace Ole een eee 2 Nita ee 33/056 
Blaekepinplenvieten: = soi. s non. e ee Uae ee een ee ea Se { s a ae a 
Wioollysnoddedivetch eae). 50 25 Seem eee a eer ae Asian eee 17 28 18, 876 
FLAT VRV CLC Mey estes a es rae is | yen Soe ore we eam cv ger pagea eaaca 56 15 11, 616 
COMMIT OTR VC LCM ee ra a ey oe te Se aN a Hae ge AE ope ere Ma) = Joe 39 12 7,623 
Gerbil StSeuGI WU ees se a eee cle ate se ee rere ree aee Sits eee eaiace 56 16 19, 239 
WEMRIG WED s oo badese sede seduce cadens seeacobe coecosocesdocessecconeccuee 56 18 13,794 
IMIG VER. - os cobb ode ca donsee ace Janes teanses Saddoss Hoes sob eseceyoesanee 159 26 15, 944 
FEVORS@ YD CAINE aa eee tigre eee Sie Se Ss ee Ee ESSE Ee Oe Dae aisfonet citer 164 28 10, 890 
TaBLE II.—Growth of plants and weight per acre of green-manure crops sown with irriga- 
tion October 5, 1908, at Chico, Cal. 
Height of | Weight of/ Weight of, PTOP0"- 
Rate of | plants, | dry mat-| dry mat- adeate 
Name. seeding. | March 15, ter, March! ter, April ore on 
1909. 16, 1909. | 16, 1909. Eaten 
Pounds. | Inches. | Pounds. | Pounds. | Per cent. 
62 32-36 40, 565 3, 675 9. 
Black-purple vetch............--------+++-+++++++--- { 45 36-40 | 14,374 2) 394 16.8 
Nioolly=poddedavetch ees =a eee ae 48 ees 25, 047 2,933 Tale 2 
eae 76 20-2 27, 660 3,776 13.6 
Black bitter vetch............--....---+--+--+++++--- { 49 | 20-22 14,3741 2'130 14.8 
ELOTSey Deals sees BS carers ie epee AS EE SS ere 149 30-36 21, 130 2, 634 12.4 
TCV aN We Ree bee eS oe Bie tre tees UE 29 16 13,721 1,783 12.9 
PRAM PIOLAD Came sare eee or eee soe eee 72 17 | 12,840 1, 646 12.8 
[Bi Obe CONS Soe open es tok ae Ge one ee Sn ae 21 14-16 | 11,980 735 6.1 
JELENA. AMOUC cues BOE SOU eee tae ame amen tu ay! 3l 8-15 5, 880 871 14.8 
GomimOneyvie Ge tare eyes Se eee Se eee 33 10-18 7a toes eee eect | aude nis 2 
TaBLE III.— Weight of green-manure crops growing in orange 
i 
i 
orchards in California. 
Name. Place. 
4 NAVA OCR BS Sneed nics ae ce ee ee vedi and sierra ser eee 
Commnrongycicheey esas ae eo cers eee cee clseeee (OKO ea SB oe ARC Eee 
MalVvOrro hinGito linet too eee | nee GOR sae ee ae ie ual 
ES UTA OVC Te ae ee nena ne ork Ns Se a ee CG Kayes iN a Ses Seehrtas SeE aee 
TO TICGE TOYS SPE a ae a | Ore ee a Raed | 
emirenee kes tare ee orca aes cee cis cane hes SantarPaulaae nese seers) 
Commoneviel chesney ee ee ee OE Fes eas Se ene 
| Weight of 
green mat- 
ter per acre. 
Pounds. 
29,093 
13, 578 
19, 800 
16, 347 
7,260 
11,745 
19,140 
Weight of 
green mat- 
ter per 0.718 
acre.@ 
Pounds. 
20, 888 
9,749 
14, 216 
UAB YL 
5, 212 
8, 432 
13, 742 
@ This equals the part of an acre usually covered by a green-manure crop in an orchard. 
PROMISING GREEN-MANURE CROPS. 
As shown by Tables I and II, giving comparative yields, there 
are several plants very promising for green-manure purposes as com- 
pared with common vetch and field peas. 
The claim of superiority 
for these plants is largely due to their ability to make more growth 
190 
