The Sweet Potato in Hawaii by H. L. Chung brings together cultivation, handling and uses of the crop in a tropical setting. The Hawaii Agricultural Experiment Station issued Bulletin No. 50 in October 1923 under United States Department of Agriculture supervision, with printing by the Government Printing Office.
The crop in a Hawaiian setting
The introduction and early sections consider the sweet potato’s botanical relationship, older cultivation practices and its place in Hawaiian cropping systems. The author connects the crop with both household food and farm production.
Suggested rotations show sweet potatoes beside other crops, including corn, cowpeas and peanuts. The account therefore treats the plant as part of a continuing use of the land, rather than only as a single isolated harvest.
The historical discussion reflects the knowledge and assumptions of the publication’s date. Its strongest practical material is the regional account of soils, planting systems, handling and uses that follows.
Soil and adaptation
The adaptation and soil sections discuss warmth, rainfall, drainage and the physical character of the ground. Chung notes that conditions differ between locations and that vine growth alone does not establish the value of the root crop.
Soil moisture receives separate attention. The author discusses how uneven rainfall and the condition of the ground can influence growth and the development of the storage roots.
For readers comparing climates, this regional focus is valuable. It shows how the same crop generates different practical questions in tropical island agriculture than in a short-season garden.
Propagation and planting methods
The methods-of-culture section begins with propagating material. Vine cuttings and slips are discussed, along with the condition and handling of plants before they go into the ground.
Preparation of land leads into three planting systems: ridges, flat ground and individual mounds or hills. The text explains the purposes of these arrangements and relates their use to the soil and location.
Illustrated plates help the reader connect the descriptions with actual crop layouts. The comparison is particularly useful for understanding why a planting method is a response to drainage, moisture and harvesting needs.
The bulletin’s older cultivation terminology can be followed through the sequence of operations. Read the planting descriptions alongside the soil discussion so the methods remain attached to their intended conditions.
Grading, storage and production costs
After the growing methods, the publication turns to grading and storage. These sections extend the account beyond the field to the state in which roots are kept and presented for use.
A production-cost section records another side of the crop. Such figures document the labor and economic assumptions of the period, rather than offering a current budget.
Together, these chapters make the bulletin useful to readers studying farm organization. A successful crop involves handling and resources as well as getting plants to grow.
Crop problems and varieties
Insect enemies and fungal diseases have their own sections. The author names the problems considered relevant to Hawaiian sweet-potato production and records the control practices being investigated or recommended.
Those chemical treatments are historical material and require comparison with current guidance before any practical use. The descriptive observations can still help a researcher understand the concerns of growers and experiment-station staff at the time.
Varieties grown in Hawaii receive attention alongside a discussion of composition. This broadens the account from field methods to differences in the harvested food itself.
Household and farm uses
A recipe section gives the bulletin a household dimension. It is followed by discussion of sweet potatoes as feed for farm animals, linking the crop with several uses on a diversified holding.
This free ebook suits readers interested in tropical crop history, traditional food production and the full path from propagation to household or farm use. Its combination of cultural methods, varieties, recipes and feeding information is its distinctive feature.
The PDF has 29 digital pages, including covers, preliminary matter and photographic plates. It preserves aged paper, small print and the original printed pagination. Enlarge tables and captions, and use the contents to distinguish the cultivation chapters from the later food and feeding material.
Book details
- Author: H. L. Chung
- Publisher: Government Printing Office, Washington; Hawaii Agricultural Experiment Station
- Year: 1923
- Edition: Bulletin No. 50; issued October 1923
- Digital length: 29 PDF pages
- Language: English
- File size: 2.45 MB
