---

• No.154(Mar.2022)

  Study on soil microbial community structures and comprehensive design for fertilizer application in cultivation styles mainly for organic matter application.

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• No.153(Dec.2021)

  Studies on the rational fertilizer application method based on soil and dairy cattle manures for maize.

---

• No.152(Dec.2021)

  Establishment of soil and water control technologies to increase upland field crop production in paddy fields.

---

• No.151(Nov.2021)

  Studies on selection method and development of highly tolerant varieties to pre-harvest sprouting in wheat.

---

• No.150(Mar.2021)

  Studies on pathogens and control of gray-mold neck rot of onion.

---

• No.149(Mar.2020)

  Studies on Fungal Pathogens and Control of Eyespot Disease in Winter Wheat.

---

• No.148(Nov.2019)

  Studies on the agricultural characteristics and suitability for sake brewing of rice varieties bred in Hokkaido,Japan.

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• No.147(Mar.2019)

  Female sex pheromone in the rice leaf bug, Trigonotylus caelestialium (Kirkaldy) (Heteroptera: Miridae): its identification and ita use for control.

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• No.146(Oct.2016)

  北海道新旧主要イネ品種・系統における遺伝的多様性と耐病・耐冷性に関与する遺伝因子の解明

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• No.145(Nov.2016)

  Studies on taxonomy and ecology of genes Typhula, caousing winter rot diseases of overwintering dicots.

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• No.144(Sep.2016)

  Draining the soil just after seeding as a method for improving seedling emergence of rice in a paddy field for submerged direct seeding in Hokkaido.

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• No.143(Jul.2016)

  Studies on tolerance to seed cracking under chilling temperature and early maturity in soybean(Glycine max).

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• No.142(Jun.2016)

  The Ecology of Blight in Grapevines Caoused by Xylophilus ampelinus(Panagopoulos)Willems et al. and the Development of Effective Disease Control Techniquues.

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• No.141(Jul.2015)

  Use of genetic diversity on DNA markers to increase forage yield in timothy(Phleum pratence L.).

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• No.140 (Nov. 2014)

  Studies on the development of DNA markers linked to genes for resistance to brown stem rot of adzuki bean and validation of their efficiency.

---

• No.139 (May. 2014)

  Diagnostic technique for nitrogen nutrition and drip fertigation based on nitrogen nutritional physiology of tomato.

---

• No.138 (Jul. 2013)

  Studies on the Maintenance of Timothy(Phleum pratense L) Tiller Density in Swards with Years.

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• No.137 (Jul. 2013)

  Studies on the long-term production of white asparagus by rootstock storage and film shading.

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• No.136 (Mar. 2013)

  Empirical studies on improving nutritive value of wheat straw by incubation with edible mushrooms, Pleurotus cornucopiae and P.ostreatus.

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• No.135 (Mar. 2013)

  Studies of Techniques to Control the Acarid Mite, Tyrophagus similis Volgin (Acari: Acaridae) by Using Indigenous Predatory Mites (Acari: Gamasina) in Spinach Greenhouses.

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• No.134 (Nov. 2012)

  Studies on effective breeding methodologies to improve the nutritive value in timothy (Phleum pratense L.).

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• No.133 (Oct. 2012)

  Analysis of the pod abortion caused by low temperature and of the seed coat discoloration induced by low temperature or virus infection in soybean.

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• No.132 (Oct. 2012)

  Studies on the Epidemiology and Control of Welsh Onion Leaf Blight Caused by Stemphylium vesicarium.

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• No.131 (Jan. 2012)

  Studies on the cultivation method for stable yield and high quality of breadmaking spring wheat.

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• No.130 (Oct. 2011)

  Improvement of crop growth and quality through correction of nutritional condition in calcium.

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• No.129 (Mar. 2011)

  Soil diagnostic methods and fertility management under the condition of field greenhouse culture in cold regions.

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• No.128 (Aug. 2010)

  Studies on Methods of Cultivation and Quality Evaluation of Vegetables for their Quality Improvement.

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• No.127 (Mar. 2010)

  Effect of Temperature during Grain Filling on Molecular Structure of Rice Starch from Hokkaido Cultivars, and New Eating Quality Evaluation Method of Rice.

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• No.126 (Feb. 2010)

  Effective Farm Management Extension for Promoting Vegetable Producing Districts Based on Different Growth Stage.

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• No.125 (Feb. 2010)

  Study on effective utilization of perennial ryegrass with valuable nutrients, including use for meadows in the Tenpoku region.

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• No.124 (Nov. 2009)

  Improving of Emergence in Direct Sowing Sugar Beets by Soil Tillage and Compaction.

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• No.123 (Oct. 2008)

  Embryo sexing by loop-mediated isothermal amplification of trace target DNA sequences in cattle and water buffaloes.

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• No.122 (Mar. 2008)

  A practical study on how to enhance cow comfort in freestall housing.

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• No.121 (Mar. 2008)

  Studies on the fertility management of timothy sward based on use of dairy cattle manures evaluated as available nutrients.

---

• No.120 (Mar. 2008)

  Studies on Effective Soil and Nutrient Management for Stable Sugar Beet Production .

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• No.119 (Mar. 2008)

  Evaluation of the Influence of Low Water Stress due to the Decrease in Soil Water on Grassland Productivity on Heavy Clay Soils in Northern Hokkaido, Japan.

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• No.118 (Mar. 2008)

  Analysis of Factors of Cold-Weather Tolerance to Low Temperatures　During Flowering Stage, and Application to Breeding in Soybeans in Hokkaido.

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• No.117 (Mar. 2008)

  A method for the objective evaluation of postharvest ripening and flesh texture in muskmelon (Cucumis melo L.) fruits.

---

• No.116 (Oct. 2007)

  Studies on Soil chemical prooerties and Rational Fertilizer Application for Production of High-Quality Rice in Hokkaido.

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• No.115 (Aug. 2007)

  Studies on the Breeding of Adzuki Bean Cultivars Resistant to Adzuki Bean Brown Stem Rot (BSR) and Phytophthora Stem Rot (PSR).

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• No.114 (Mar. 2007)

  Studies on Breeding Methods of Melon ( Cucumis melo L.) Resistant to Fusarium Wilt Caused by Fusarium oxysporum f. sp. melonis race 1,2y.

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• No.113 (Mar. 2007)

  Establishment of Comprehensive Drainage Technologies for Improving Field Drainage.

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• No.112 (Dec. 2006)

  Establishment of Lamb Meat Production System by Raising Suffolk Lamb in High Growth Rate at Early Age.

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• No.111 (June 2006)

  Discovery of Scripus juncoides Roxb. Var ohwianus T. Koyama Resistant to Sulfonylurea herbicides, and Development of a Control Method Based its Ecological Characteristics.

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• No.110 (Mar. 2006)
  

  Studies on the Cultivation of Spring Wheat Seeded in Early Winter.

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• No.109 (Mar. 2006)
  

  Identification, Ecology and Control of Black Steak on Edible Burdock Caused by Itersonilia perplexans Derx.
  

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• No.108 (Feb. 2006)
  

  Cultivation Techniques and Development on Short Day Strawberry Cultivars for Cold Regions.

Koji KAWAGISHI

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• No.107 (Mar. 2005)
  

  The Effective Breeding Methods for Improving Important Traits of Timothy (Phleum Pratense L.).

Hiroyuki TAMAKI

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• No.106 (Feb.2005)
  

  The Farm Management Structure and Requisites of Development in the Large-Scale Upland Farming.

Gaku HIRAISHI

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• No.105 (July 2004)
  

  Improvement of Amino Acid Nutrition to Reduce Nitrogen Excretion in Lactating Dairy Cows.

Tsutomu OHGI

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• No.104 (Mar. 2004)
  

  Development of a Simple Test for Cool-Weather Tolerance at the Flowering Stage of Rice Plants and Evaluation of the Genetic Resources for the Tolerance.

Hisashi TANNO

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• No.103 (May 2003)
  

  The Utilization of Fruit and Vegetable Market Information and a Method of Formulation of Production and Marketing Planning for Restructured Vegetable Producing Areas.

Hidekazu MATSUYAMA

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• Study of the Bacteria Pathogenic for Aphids. －Isolation of Bacteria and Identification of Insecticidal Compound －

Yozo HASHIMOTO

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• No.101 (Mar. 2002)

  Studies on Improvement of the Eating Quality and Value in Use of Hokkaido Rice.

Tetsuji YANAGIHARA

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• No.100 (Sep. 2001)

  Complete Nucleotide Sequence of Beet Necrotic Yellow Vein Virus (BNYVV) RNA and Its Application for Diagnosis and Control.

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• No.99(Mar.2001)

  Studies on Cryopreservation of Vegetatively Propagated Crops by Encapsulation-Vitrification Method

  Dai HIRAI

  
  

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• No.98(Mar.2001)

  Esimation of Available Nitrogen in Organic Matters and Soils for Assessing of Optimum Nitrogen Ferilizer Rate of Upland Crops in Abashiri District

  Kazuo KONNO

  
  

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• No.97(Mar.2000)

  Soil Microbial Properties in Various Rotation Systems and Ecological Control of Fusarium Root Rot of Kidney Beans in the Tokachi District

  Masatoshi OKUMURA

  
  

---

• No.96(Mar.2000)

  Identification, Quantification of Potato Scab Pathogens and Control of The Disease by Changing Soil Environment

  Fumio TANAKA

  
  

---

• No.95(Mar.2000)

  Studies on Characteristics for Food Processing of Adzuki Beans and Common Beans, and Factors for their Variation

  Jun KATO

  
  

---

• No.94(Mar.2000)

  Study on Growth Properties and Continuous Production Based on Sugar Accumulation Properties in Roots of Asparagus

  Yuji HIKASA

  
  

---

• No.93(Mar.2000)

  High α-Amylase Activity in Wheat (Triticum aetivum L.) Grain from Hokkaido

  Satoshi NAKATSU

  
  

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• No.92(Dec.1998)

  Studies on breeding of Alfalfa(Medicago sativa L.) Cultivars Adapted to Konsen District,Eastern Hokkaido of Japan

  Yoshihiko TAKEDA

  
  

---

• No.91(Oct.1997)

  Evaluation of Land Productivity by Combination of Satellite Data,Soil Information and Meteorological Information

  Hiroyuki SHIGA

  
  

---

• No.90(Sep.1997)

  Studies on the Population Dynamics and the Pest Management of Small Brown Planthoppers, Laodelphax striatellus FALL?N

  - Occurrence Forecasting and Optimum Chemical Control of Small
  Brown Planthoppers Based on the Dynamic System Model. -

  Kazuhiko HACHIYA

  
  

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• No.89(Jun.1996)

  Fertilizer Application Corresponding to Fertility of Grassland in Andosols Popular in Eastern Hokkaido

  Toshiya SAIGUSA

  
  

---

• No.88(Jan.1996)

  Chemical Composition and Nutritive Values of Hays for Horse in Relation to Chemical Properties of Grassland Soil in Hokkaido Horse Breeding Farms

  Yoshio MAETA

  
  

---

• No.87(Sep.)

  Basic Study of Biotechnology in Adzuki bean(Vigna angularis OHWI & OHASHI)

  Takashi SATO

  
  

---

• No.86(May.1995)

  Circulation of Nutrient Salts in an Upland Farming and Dairying Area of Hokkaido and Environmental Water Quality

  Kunio OHMURA

  
  

---

• No.85(Mar.1995)

  Studies on Feeding System of Supplements to Lactating Cows Grazed on Grass Pasture

  Masaaki HANADA

  
  

---

• No.84(Sep.1994)

  Studies on the protection against Corynebacterium pseudotuberculosis infection in sheep

  Shin SERIKAWA

  
  

---

• No.83(Oct.1994)

  Studies on Grassland Acidification Caused by Fertilizer Application and Its Effects on Grass Growth

  Masayuki HOJITO

  
  

---

• No.82(Mar.1994)

  Studies on Ecology of Cephalosporium Stripe of Winter Wherat in Hokkaido and Its Control

  Masaharu OZAKI

  
  

---

• No.81(Oct.1993)

  Studies on Feeding Methods for Dairy Cows Using Corn Silage as a Basal Feed

  Takeshi BANDO

  
  

---

• No.80(Dec.1993)

  Soil Microdial Activities in the Tenpoku District and its Contribution to Grassland Productivites

  Syuji HIGASHIDA

  
  

---

• No.79(Mar.1993)

  Study on the Effective Application of Nitrogen Fertilizer to Cutting Sward Based on Evaluation of Soil Nitrogen Release in Tenpoku District

  Naomichi MIKI

  
  

---

• No.78(Dec.1992)

  Studies on Biological Control of Spider Mites on Greenhouse Vegetables by the Resistant Strain of Phytoseiulus persimilis ATHIAS-HENRIOT

  Hiroshi NAKAO

  
  

---

• No.77(Sep.1992)

  Ecology of Small Brown Planthopper,Laodelphax Striatellus(Fallen),and Control of Rice Stripe Disease in Hokkaido

  Yoichi KAZINO

  
  

---

• No.76(Aug.1992)

  Studies on Viral Diseases and Causal Viruses of Kidney Bean(phaseolus vulgaris L.)in Hokkaido

  Takashi HAGITA

  
  

---

• No.75(Aug.1991)

  Changes in Digestibility and Voluntary Intake on Forages with Growth Progress

  Toshiki ISHIGURI

  
  

---

• No.74(Mar.1991)

  Studies on Outbreak Mechanisms of Spinach Root Rot Caused by Aphanomyces Cochlioides Drechsler and Its Ecological Controls

  Kazutaka AKASHI

  
  

---

• No.73(Aug.1990)

  studies on Ecology and Successful Use of Rhizobium japonicum in Hokkaido

  Tadao ISHII

  
  

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• No.72(Mar.1989)

  Studies on the Stem Rot Disease of Adzuki Bean Caused by Phytophthora vignae f.sp.adzukicola and its Control

  Sadao TSUCHIYA

  
  

---

• No.71(Mar.1989)

  Growth and Spear Production in Relation to Fertilizer Application and Soil Improvement in Asparagus Field

  Tatsuyoshi TAGA

  
  

---

• No.70(Jan.1989)

  Studies on the Growth and the Utilization of Feed Energy in Weaned Piglets kept in Cold Environment

  Hiroshi HATA

  
  

---

• No.69(Jul.1988)

  Studies on the Feeding of a High Level of Silage for Lactating Dairy Cows

  Yasushi IZUMI

  
  

---

• No.68(Mar.1988)

  Fundamental Breeding Study on Physico-chemical Characters in Rice Endosperm

  Harumi KIKUCHI

  
  

---

• No.67(Mar.1988)

  Methods of Cultivating Rice Seedlings,Using Mechanical Transplantation in Hokkaido and the Corresponding Technique of Nitrogen Application

  Yoshihiro FURUYAMA

  
  

---

• No.66(Mar.1988)

  Studies on Improving the Eating Quality of Hokkaido Rice.

  Osamu INATSU

  
  

---

• No.65(Sep.1987)

  Utilization of the Fibrous Feeds by Growing-Fattening Pigs

  Nobuyuki SUGIMOTO

  
  

---

• No.64(Dec.1987)

  Studies on Methods of Breeding Wheat for Winter Hardiness

  Yoichi AMANO

  
  

---

• No.63(Nov.1987)

  Studies on selection for dry matter digestibility in the breeding program of timothy plants

  Masamichi FURUYA

  
  

---

• No.62(Mar.1987)

  Studies on the Effective Application of Nitrogen Fertilizer to Timothy Sward in Konsen District of japan

  Teruo MATSUNAKA

  
  

---

• No.61(Mar.1987)

  Studies on ecology and control of the potato cyst nematode Globodera rostochiensis(Wollenweber,1923)Behrens,1975

  Eiiti YAMADA

  
  

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• No.60(Mar.1987)

  Studies on the Ecology and Control of Polymyxa betae Keskin,as a Fungal Vector of the causal Virus(beet necrotic yellow vein virus)of Rhizomania Disease of.Sugar Beet

  Hideo ABE

  
  

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• No.59(Sep.1986)

  Studies on Breeding Methods for High Starch Yields in Potato

  Norio MURAKAMI

  
  

---

• No.58(Jun.1986)

  Studies on Shattering Resistance in Soybean Breeding.

  Takehiko TSUCHIYA

  
  

---

• No.57(Jul.1986)

  studies on Nutritional Physiology and Nitrogen-Fertilizer Management of Winter Wheats

  Katsuaki SHIMONO

  
  

---

• No.56(Mar.1986)

  Manmagement of Soil and Fertilizer Application Meeting Needs of Various Vegetables and Soil Fertility of Vegetable fields in Hokkaido

  Satoru SOUMA

  
  

---

• No.55(Mar.1986)

  Studies on Evaluation of Heifer Excreta Contribution on Grazing Pasture Fertility

  Tomoyuki HAKAMATA

  
  

---

• No.54(Mar.1986)

  Studies on Nutritional and Physiological Characterisitics of and Methods of Fertilizer Application for Adzuki-beans Hokkaido.

  Masatoshi SAWAGUCHI

  
  

---

• No53(Aug.1985)

  Studies on the Improvement of Cultural Practices and Varieties for Whole Crop Silage Maize in Cold District.Hokkaido.

  Hideo TOZAWA

  
  

---

• No.52(Jan.1985)

  Principal Studies on Utilization of Solar Energy in Sugar Beet Plants under Field Condition

  Toru KITAMURA

  
  

---

• No.51(Aug.1984)

  Study on Characteristics of Soil Fertility of Onion Field and Improvement of Soil and Fertilizer Application Management in Central Hokkaido

  Haruo IWABUCHI

  
  

---

• No.50(Mar.1984)

  Soil Microorganisms in Continuous and Rotated Cropping in Gleyic Ordinary Andosols in Abashiri District.

  Yasusaburo NARITA

  
  

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• No.49(Mar.1984)

  Studies on the Epidemiology and Control of Japanese Apple Canker Caused by Valsa ceratosperma (Tode ex Fr.)Maire(=V.mali Miyabe et Yamada)

  Osamu TAMURA

  
  

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• No.48(Mar.1984)

  Studies on the Managememt of Orchardgrass Sward In Tenpoku District(Northern Hokkaido)

  Nobumitsu SAKAMOTO

  
  

---

• No.47(Dec.1983)

  Farm Management Reasearch on Establishing the Upland Farming

  Masamatsu NAGAO

  
  

---

• No.46(Mar.1984)

  Studies on Cool Weather Damage with Special Reference to Improvements in Rice Cultivation Techniques

  Takahisa AMANO

  
  

---

• No.45(Feb.1984)

  Studies on the Blackleg Disease of Potato in Hokkaido

  Akio TANII

  
  

---

• No.44(Oct.1983)

  Studies on Problems of Heavy Metals in the Farmland of Hokkaido

  Kenichi KAMADA

  
  

---

• No.43(Jun.1983)

  Studies on bacterial sheath brown rot of rice plant Caused by Pseudomonas Fuscovaginae Tanii,Miyajima & Akita

  Kuniyki MIYAJIMA

  
  

---

• No.42(Jun.1983)

  Studies on Physical and Engineering Properties and Drainage Acceleration Techniques of Heavy Clayey Paddy Fields in Hokkaido

  Kaname MAEDA

  
  

---

• No.41(Feb.1984)

  Studies on the Environmental Requirements for the Production of Fattening Pigs in Hokkaido

  Kazunobu TOKORO

  
  

---

• No.40(Mar.1983)

  Research on Developmental Structure of the Pork Meat Production

  Fujio KUROSAWA

  
  

---

• No.39(Mar.1983)

  Studies on Basal Rot of Onion Caused by Fusarium oxysporum f.sp.cepae and its Control

  Fujio KODAMA

  
  

---

• No.38(Mar.1982)

  Genetical Studies on Morphogenesis in Rice Plant -With Special Reference to Dwarfness-

  Noboru SHINBASHI

  
  

---

• No.37(Dec.1981)

  Research on the Development of Beef Cattle Production and the Structure of the Producing Areas

  Akikazu YONAIYAMA

  
  

---

• No.36(Mar.1981)

  Studies on Epidemiology and Control of Sclerotinia Disease of Beans Caused by Sclerotinia Sclerotiorum(Lib.)DeBary

  Jun AKAI

  
  

---

• No.35(Mar.1981)

  Studies on Root Rot Disease Prevention in Sugar Beet and Black Scurf Disease Prevention in Potato Caused by Rhizoctonia solani KUHN

  Tetsushiro BABA

  
  

---

• No.34(Mar.1981)

  Interpretative Classification of the Soils in Tokachi District,its Mapping and Application to Practical Uses of Soil Improvement

  Koji KIKUCHI

  
  

---

• No.33(Mar.1980)

  Research on Damage of Potatoes and Onions

  Niyuki SHIMADA

  
  

---

• No.32(Feb.1980)

  Studies on the Relationship Between Mechanization of Agriculture and Productivity of Land

  Nobuhito MURAI

  
  

---

• No.31(Mar.1980)

  Studies on Botanical Composition in Grass-Legume Mixtures

  Takashi WAKIMOTO

  
  

---

• No.30(Mar.1979)

  Studies on the Ruminating Behavior and the Digestive Physiological Significance of Rumination

  Masahiro OKAMOTO

  
  

---

• No.29(Mar.1979)

  Studies on Chemical Characteristics of Serpentine Soils and Mineral Deficiencies and Toxicities of Crops

  Naoharu MIZUNO

  
  

---

• No.28(Mar.1979)

  Studies on Cool Weather Tolerance in Soybean Breeding

  Takashi SANBUICHI

  
  

---

• No.27(Mar.1978)

  Studies on the Management of permanent Pastures in Konsen District in Hokkaido

  Toshiaki HIRASHIMA

  
  

---

• No.26(Mar.1977)

  Studies on the Maturation and Germination of Sclerotia of Sclertinia sclerotiorum（LIB.）DE BARY,A Causal Fungus of Bean Stem Rot

  Izumi SAITO

  
  

---

• No.25(Mar.1975)

  Studies on the Soybean Dwarf Disease

  Tetsuo TAMADA

  
  

---

• No.24(Sep.1974)

  Studies on Breeding for the Germinability at Low Temperature of Rice Varieties Adapted to Direct Sowing Cultivation in Flooded Paddy Field in Cool Region

  Takio SASAKI

  
  

---

• No.23(Sep.1974)

  Numerical Analysis on Wavy Track of Nematodes

  Takao SARASHINA

  
  

---

• No.22(Oct.1973)

  Studies on Characteristics of Soils Distributed in The TENPOKU District and Their Fundamental Problems of Grassland Establishment and Management

  junichi OKUMURA

  
  

---

• No.21(Aug.1972)

  Studies on the Nutritive Value and the Evaluation Method of Roughage produced in the Nemuro-Kushiro District,Hokkaido

  Tamotsu TOBINO

  
  

---

• No.20(Mar.1971)

  Genetical Studies on Clustering Habit of Spikelets in Rice Panicles

  Katsuyoshi MORIMURA

  
  

---

• No.19(Nov.1970)

  Studies on Life-Histories of Apple Leaf-Rollers Belonging to The Tribe Archipsini(Lepidoptera:Tortricidae)

  Roshio OKU

  
  

---

• No.18(Mar.1970)

  Studies on the Genesis,the Characteristics and the Improvement of the Productivity of the So-Called"Rodo Soil"in Hokkaido

  Matsuo MINAMI

  
  

---

• No.17(Mar.1969)

  Studies on the Feeding of High Level of Grass Silage for Dairy Cows and Calves

  Kaizo TSUBOMATSU

  
  

---

• No.16(Mar.1968)

  Studies on the Characteristics and the Productivities of the Paddy Soils in Hokkaido

  Toshihiko NAKAYAMA

  
  

---

• No.15(Apr.1966)

  Researches on Farm Mechanization in Row-Crop Areas

  Wataru SAITO

  
  

---

• No.14(Mar.1966)

  Studies on Planning of Farm Mechanization

  Takashi WATANABE

  
  

---

• No.13(Mar.1966)

  Genic Analysis on Cytoplasmic Male Sterility in Maze;Nature of Causal Genes and Their Side Effect on Expression of Some Agronomic Characters

  Susumu TATE

  
  

---

• No.12(Oct.1962)

  Genetic Mechanism of Off-type Occurrence in Wheat

  Shunichi OSANAI

  
  

---

• No.11(Jul.1962)

  Experiments on Characteristic of Volcanic Ash Soils which cover Nemuro-Kushiro District,especially Amounts of Nutritious Matter in Soils,and Method of Fertilization for the Chief Crops.

  Yasuo HAYAKAWA

  
  

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• No.10(Mar.1962)

  Experiments and Investigations on the Forced Unheated Air Ventilation for Drying Legume Hay.

  Toshiyuki TAKAHASHI

  
  

---

• No.9(Mar.1961)

  Studies on Frost Injury in Apple Trees and Grape Vines.

  Norio AKABANE

  
  

---

• No.8(Feb.1958)

  Studies on the Bacterial Diseases of Potato in Hokkaido

  Takeshi NARITA

  
  

---

• No.7(Mar.1956)

  Studies on the Host Range of Piricularia Oryzae CAV., Report 1

  Takeshi NARITA Tsutomu IWATA Shigeo YAMANUKI

  
  

  Studies on the Leaf Rust of Wheat Ishikari District. Report 4

  Takeshi NARITA Yoshio MORI Yutaka MANO

  
  

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• No.6(Oct.1954)

  Investigations on ring rot of the potato in Hokkaido

  Takeshi NARITA Ichiro TANAKA

  
  

---

• No.5(Feb.1954)

  Studies on the Small Piroplasma of Cattle in Nemuro District,Hokkaido

  Misutoshi HIRAGA　Ryuichi TANIGUCHI

  
  Studies on the Characteristics of Volcanic Ash Soils,devided from Mt.Mashu,which cover Nemuro and kushiro Districts,Hokkaido,and the Maintenance of their Fertility.

  Yoshiaki ISHIDUKA Yasuo HAYAKAWA Kaoru OTOI

  
  

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• No.4(Oct.1952)

  Studies on the Brown Rot of Potato in Hokkaido

  Takeshi NARITA Norio HARUKI

  
  Studies on the Leaf Rust of Wheat in Ishikari District. Report 1,2,3

  Takeshi NARITA Daiji Ike Tsutomu IWATA Yutaka MANO

  
  Studies on the Prediction of Rice Yield in Hokkaido

  Rinzaburo NAKAYAMA

  
  Notes on the Occurence of Nosema apis Zander, a Pathogenic Microsporidia of the so-called Dysentery of Honey-bee in Hokkaido

  Toru UCHIDA、Syoichi SAKAGAMI

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• No.3(Sep.1951)

  Phytopathological and Plant-Breeding Investigations on Determining the Degree of Blast-Resistance in Rice Plants

  Yoshio TAKAHASHI

  
  

---

• No.2(Jul.1951)

  Studies on the Annual Variation of Rice Yield per Unit Area in Hokkaido

  Rinzaburou NAKAYAMA

  
  

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• No.1(Mar.1951)

  Experoments on the Cooperative Use of Machinery and Equipments in a Farmers' Group in Memanbetsu,Hokkaido

  Mitsuo TORIUCHI、Koichi YAMAMOTO、Toshikazu NUMABE

  
  

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