You may select a new search term and repeat your search. Searches are not case sensitive, and you can use regular expressions in your queries.

Enter your search term: by: title, keyword, or contextually

Query was: heat

Here are the matching lines in their respective documents. Select one of the highlighted words in the matching lines below to jump to that point in the document.

• Title: Agriculture Course: Discussion after Lecture 4
  Matching lines:
  • beds, side by side — a bed of wheat, say, and a bed of sainfoin.
  • Then you will find this possibility. In the one plant — wheat
  • the properties of cereals — wheat, for example — and then
• Title: Agriculture Course: Preface
  Matching lines:
  • to seed new crops year after year from their own rye, wheat, oats and
  • light and heat are cosmic factors, water and plant food terrestrial
  • cosmic factors — light and heat — act directly on the
  • would be unreliable. Wheat and potatoes were among the plant types mentioned,
  • plants. This work has begun to have success; the species of wheat have
  • of wheat is already an established fact. Even where the soil is good,
  • the protein content has declined; in the case of soft red wheat, protein
  • grown wheat maintains its high protein level. Promising work in potato
• Title: Agriculture Course: Supplement
  Matching lines:
  • to plant sainfoin on the rye- and wheat fields, at least along the edges.
  • too, for potatoes and root-crops. Wheat and rye on the other hand should
• Title: Agriculture Course: Lecture 3
  Matching lines:
  • do we see in carbon nowadays? That which we use, as coal, to heat our
• Title: Agriculture Course: Lecture 8
  Matching lines:
  • process, by all such processes as cooking, burning, heating, drying,