INDEX 



AGRICULTURAL CHEMISTRY 11 



Chemical composition of timothy, effect of potassium deficiency on the metabolism 

 of plants, lead residue on export apples 



AGRICULTURAL ECONOMICS 12 



Conservation program in New Hampshire, economies in the purchases made by 

 farmers, efificiency studies in dairy farming in New Hampshire, fruit farm studies, 

 marketing forest products from farm woodlands in certain areas of New Hamp- 

 shire, marketing of small fruits, pasture management study, rural tax studies, 

 study of land utilization in Grafton county, supply and distribution of New Hamp- 

 shire milk, type of farming areas in New Hampshire 



AGRONOMY 19 



Dairy farm rotation in southern New Hampshire with sweet corn as a cash crop, 

 determination of run-off and erosion from New Hampshire upland soils, fertilizer 

 experiment with dairy farm crops in the Connecticut valley, legumes on neglected 

 haylands, pasture species under New Hampshire conditions, potatoes in a three- 

 year rotation, soil survey of New Hampshire, top-dressing old pasture lands, vari- 

 ations in cooking quality of potatoes 



ANIMAL HUSBANDRY 24 



Methods of administering medicine to sheep (under Poultry Husbandry), sheep 

 breeding, study of the metabolism of dairy cattle during growth 



ROTANY 26 



Ascospore discharge relation to the apple scab spray schedule, effect of mulching 

 on the development of bitter-pit in apples, effect of place on mosaic and leaf roll, 

 effect of position in the bin and temperature differentia's on loss of weight of po- 

 tatoes in storage, effect of soil moisture and fertilizer placement on the vitality of 

 the potato seed piece, plant injuries caused by lime sulphur sprays, spraying for 

 apple scab, studies on bovine mastitis 



DAIRY 31 



Bang's disease (under Poultry Husbandry), dry-feed systems of raising dairy 

 calves, efficiency of dairy herd management practices as revealed by analyses of 

 permanent records of D.H.I. A. herds in New Hampshire, normal growth of dairy 

 heifers, relation of the conformation of the dairy cow to her milk and butterfat 

 production, variability in milk solids-not-fat 



ENGINEERING 34 



Electric washing and sterilizing equipment for dairy utensils, potato storage struc- 

 tures, testing and advisory service, control of moisture in poultry litter (under 

 Poultry Husbandry) 



ENTOMOLOGY 34 



Insect records during the year, penetration of contact insecticides, penetration of 



ovicides 



FORESTRY 36 



Plantation studies, sustained yield study in northern New Hampshire, white pine 



stands 



GENERAL 



Chemical services to residents of the state 11 



Feeding stuff's and fertilizer inspections 11 



Financial statement 46 



Publications 10 



Seed certification 28 



Seed inspection 24 



Staff 4 



HOME ECONOMICS Z7 



HORTICULTURE Z7 



Apple drop, apple fertilizers, apple spraying, blueberry improvement and propaga- 

 tion, ornamentals, root-stock project, strawberry studies, vegetable project, winter 

 injury 



POULTRY 40 



Control of coccidiosis in poultry, controlling moisture in poultry litter, poultry ap- 

 proval, poultry autopsies, protein requirements of chickens, pullorum eradication in 

 New Hampshire, record of performance, re-test of gas-burning brooders, selective 

 breeding as a control of ruptured egg yolk, so-called trembling' chick disease, study 

 of paralysis in chickens, ulcerated gizzard and vitamin C studies 



I 



