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NE'',II MUUC0 COI"LECA 0F ;IGRICIItTURE AND iIECHANIC ARTS Al'lD AGRICUTTURAL EXPEhIMF IT STATION Press Bulletln 101 RELITION 0F FIiOSTS AI{D AIR DRAINAGE T0 FRUIT GfiOTIING The subject of the late spring frosts is one of great irqportance to the fnrit grower; and one that desen/es nore consideration than it generally gets' The llght spring frosts frequently cause great losEes to the fruit grower, and this dangerseems to increaee rvith certain varieties in the South and Southwest. Thls fact hes been qutte well demonstrated ln New Mexico. Many fruits which succeed in the tlorth and East are practically vrorthless on eccount of their liability to fr"ost lnjury during the spring. The orchard fnri-ts that suffer the most are the Japanese plrrns, Iate rtpening peaches, ffid apricots. The damaging effects oi these light frosts cone when the trees ere elther in bloorn or just as the tender fruit is forming. At this stage of the treers g- ro'oth, a very Ught frost urill be enough to destroy the cr-op, Tlhile thLre ire a nrunber of ways by means of which this danger nay be nitl-gated, that of air drainage is as practical ancl as iiryottant as any. Frequently, i plantation vrith good air drainage escapes frost injury r'ften the adjacent or-chirds in the }ower lands arr: killed. The air is raiely perfectly stillr and yet there are nights when it appears to be so. The danger increases during stlll and. cloudless nights, parblcularly in the spring rfiile the trees are jn bloom an4 vrhen radiatlon is lrost rapid. Cold air is he.qvier and denser and, accord-ingly, lt w:il} settle in the low places and valleys. At night, the cold air vAff- descend fron the hills and elevated regions into the valleys and dlsplace the warmer air, which rrill rise. Jr person, in going across a val'ley in the-spring, in the-evening, will notlce the cooler air in the depressions and. old riverUeds, ff the night is clear and there is no vrj-nd to keep the air in motion, this heavier and cold air rTil1 lie in the lolv places and_frequenlly cause enough frost to inJure tender vegetation or newly forrdng fnritr when sigilar growttr may escape inJury Just a few feet hi.gher. This drairtage of the cold air-to the depressions ie the secret of nnrch of the success of fnrit gro'orlng on high anci sloping lands. And, for this reasonr it becomes very inrportant to give mrch attention to the selection of the site for tender fntj.ts. nAi a rule, the ideal site for a fruit plantation is one which is sonelvhat elevated above the adjoini-ng lands.tt The elevation need not be very great. A conparatively slight elevation usually gives good air dreinage, particularly so !f tfre lana has a-slope so that the air rnay gradually drain anray. Farm^s j.n the large valleys rnay be srrfficlently elevated above the general level of the valley or the local riverbeds and other depressions to anslver the purpose for fnrit sites, Of eourse, nore pronorutced elevatj.onsr [P to a certai.n lirait, gjve better results. Frequently, the valleys arc lower elong the edges, next_to the foothllls, than towad the niddle, and the air draining frorn the foothills will settle in the lowest places and there cause the rnost serlous danage to frults. The sloping focthills make ldea1 sltes, especirlly for the more tender fruits. The planting of tender fnrits in the valleys next to the foothills, vshcn the va1ley has a gradual elevation to the nictdler is not always a sofe practice, Uncler such conditionse bet-ter fnrit sites can be for.urd to the niddle of the valley' The present orcharC at the &cperinent Statlon Ls located about one fourth of a rrj.le fron the foothills and the valley at this place is lovrer than to'rard the nriddle. On several occasions it has been obsenred that varieties of peaches and other tender fmits have been destroyed by the light spring frosts, ivhile the sane varieties in orahards into the midctle of the valley produced good crops. Last spring the freeze of April lL praetically destroyed al*l the fntlt at the Station orchard. and the new grovlth of S or 10 inches on the grapes, vrhile the orchards and vineyards locsted from one to 3 miles to the nlddle of the valley were not very seriously danagecl.. Feb, 2L, 1905 Fabirm Garcia
Object Description
Title | Relation of frosts and air drainage to fruit growing |
Series Designation | Press bulletin 101 |
Description | Press bulletin containing general information on the use of air drainage to protect fruit from late spring frosts. |
Subject | fruit growing (NAL); Fruit-culture; plant cultural practices (NAL); |
Creator | García, Fabián; |
Date Original | 1905-02-21 |
Digital Publisher | New Mexico State University Library |
Rights | Copyright, NMSU Board of Regents. |
Collection | NMSU Cooperative Extension Service and Agricultural Experiment Station Publications |
Digital Identifier | UAAPp000101 |
Source | Scan produced from physical item held by the NMSU Library. |
Type | Text |
Format | application/pdf |
Language | eng |
Page Description
Title | Page 1 |
Series Designation | Press bulletin 101 |
Subject | fruit growing (NAL); Fruit-culture; plant cultural practices (NAL); |
Creator | García, Fabián; |
Date Original | 1905-02-21 |
Digital Publisher | New Mexico State University Library |
Rights | Copyright, NMSU Board of Regents. |
Collection | NMSU Cooperative Extension Service and Agricultural Experiment Station Publications |
Is Part Of | Relation of frosts and air drainage to fruit growing |
Type | Text |
Format | application/pdf |
Language | eng |
OCR | NE'',II MUUC0 COI"LECA 0F ;IGRICIItTURE AND iIECHANIC ARTS Al'lD AGRICUTTURAL EXPEhIMF IT STATION Press Bulletln 101 RELITION 0F FIiOSTS AI{D AIR DRAINAGE T0 FRUIT GfiOTIING The subject of the late spring frosts is one of great irqportance to the fnrit grower; and one that desen/es nore consideration than it generally gets' The llght spring frosts frequently cause great losEes to the fruit grower, and this dangerseems to increaee rvith certain varieties in the South and Southwest. Thls fact hes been qutte well demonstrated ln New Mexico. Many fruits which succeed in the tlorth and East are practically vrorthless on eccount of their liability to fr"ost lnjury during the spring. The orchard fnri-ts that suffer the most are the Japanese plrrns, Iate rtpening peaches, ffid apricots. The damaging effects oi these light frosts cone when the trees ere elther in bloorn or just as the tender fruit is forming. At this stage of the treers g- ro'oth, a very Ught frost urill be enough to destroy the cr-op, Tlhile thLre ire a nrunber of ways by means of which this danger nay be nitl-gated, that of air drainage is as practical ancl as iiryottant as any. Frequently, i plantation vrith good air drainage escapes frost injury r'ften the adjacent or-chirds in the }ower lands arr: killed. The air is raiely perfectly stillr and yet there are nights when it appears to be so. The danger increases during stlll and. cloudless nights, parblcularly in the spring rfiile the trees are jn bloom an4 vrhen radiatlon is lrost rapid. Cold air is he.qvier and denser and, accord-ingly, lt w:il} settle in the low places and valleys. At night, the cold air vAff- descend fron the hills and elevated regions into the valleys and dlsplace the warmer air, which rrill rise. Jr person, in going across a val'ley in the-spring, in the-evening, will notlce the cooler air in the depressions and. old riverUeds, ff the night is clear and there is no vrj-nd to keep the air in motion, this heavier and cold air rTil1 lie in the lolv places and_frequenlly cause enough frost to inJure tender vegetation or newly forrdng fnritr when sigilar growttr may escape inJury Just a few feet hi.gher. This drairtage of the cold air-to the depressions ie the secret of nnrch of the success of fnrit gro'orlng on high anci sloping lands. And, for this reasonr it becomes very inrportant to give mrch attention to the selection of the site for tender fntj.ts. nAi a rule, the ideal site for a fruit plantation is one which is sonelvhat elevated above the adjoini-ng lands.tt The elevation need not be very great. A conparatively slight elevation usually gives good air dreinage, particularly so !f tfre lana has a-slope so that the air rnay gradually drain anray. Farm^s j.n the large valleys rnay be srrfficlently elevated above the general level of the valley or the local riverbeds and other depressions to anslver the purpose for fnrit sites, Of eourse, nore pronorutced elevatj.onsr [P to a certai.n lirait, gjve better results. Frequently, the valleys arc lower elong the edges, next_to the foothllls, than towad the niddle, and the air draining frorn the foothills will settle in the lowest places and there cause the rnost serlous danage to frults. The sloping focthills make ldea1 sltes, especirlly for the more tender fruits. The planting of tender fnrits in the valleys next to the foothills, vshcn the va1ley has a gradual elevation to the nictdler is not always a sofe practice, Uncler such conditionse bet-ter fnrit sites can be for.urd to the niddle of the valley' The present orcharC at the &cperinent Statlon Ls located about one fourth of a rrj.le fron the foothills and the valley at this place is lovrer than to'rard the nriddle. On several occasions it has been obsenred that varieties of peaches and other tender fmits have been destroyed by the light spring frosts, ivhile the sane varieties in orahards into the midctle of the valley produced good crops. Last spring the freeze of April lL praetically destroyed al*l the fntlt at the Station orchard. and the new grovlth of S or 10 inches on the grapes, vrhile the orchards and vineyards locsted from one to 3 miles to the nlddle of the valley were not very seriously danagecl.. Feb, 2L, 1905 Fabirm Garcia |