120 



CROPS 



silica is present. The changes that take place during the cur- 

 ing process, or haymaking, are discussed later (Section 103). 



Fig. 27. — Fruit crop: Apples. 



102. Vegetable Crops. — These crops, like the fruits, are 

 very high in water. 



(a) Stem Vegetables as a class are the highest in water 

 content of all the crops, over 94 per cent. Of the dry matter, 



