Agriculture for Beginners - Chapter 1 ppt

... VII. 10 CHAPTER I. CHAPTER II. CHAPTER III. CHAPTER IV. CHAPTER V. CHAPTER VI. CHAPTER VII. CHAPTER VIII. CHAPTER IX. CHAPTER X. CHAPTER XI. CHAPTER XII. CHAPTER I CHAPTER II CHAPTER III CHAPTER ... XII. CHAPTER I CHAPTER II CHAPTER III CHAPTER IV CHAPTER V CHAPTER VI CHAPTER VII CHAPTER VIII CHAPTER IX CHAPTER X CHAPTER XI CHAPTER XII...

Ngày tải lên: 02/07/2014, 05:20

... in Tube 1; Tube 3, amount of chaff and dirt in Tube 1; Tube 4, amount of weed seeds in Tube 1; Tube 5, amount of total waste in Tube 1; Tube 6, amount of pure germinable seeds in Tube 1] =EXERCISE= Examine ... cross-pollination. As a rule cross-pollination makes seed that will produce a better plant than simple pollination would. Cross-pollination by hand is often used by plant-breeders...

Ngày tải lên: 02/07/2014, 05:20

... be put. The best manure for watermelons is a compost of stable manure and wood-mold from the forest. Pile the manure and wood-mold in alternate layers for some time before the planting season. ... have cold-frames in addition to the hotbed; these need not be more than two or three sashes. =Cold-Frames.= A cold-frame is like the frame used for a hotbed, but it is placed on well-manured ....

Ngày tải lên: 02/07/2014, 05:20

... Assessment 16 9 7.2 .1 Public Involvement 16 9 7.2 .1. 1 Public Notication 16 9 7.2 .1. 2 The Public Review Process 17 1 7.2 .1. 3 Consultation 17 1 7.2 .1. 4 Case Law 17 1 7.2.2 Performing the Analysis 17 1 7.2.2 .1 ... Growth 313 13 .2 .1. 1 The Malthusian Growth Model 314 13 .2 .1. 2 Julian Simon 315 13 .2.2 The Gaia Hypothesis 316 13 .2.3 Sustainability 318 13 .2.3 .1 Den...

Ngày tải lên: 18/06/2014, 19:20

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Ngày tải lên: 02/07/2014, 04:20

... requirements: 1. Legumes for gathering nitrogen. 2. Money crops for cash income. 3. Cultivated crops for tillage and weed-destruction. 4. Food crops for feeding live stock. CHAPTER II 30 CHAPTER II THE ... plant-root. From the root-hairs, foods are carried to the inside of the root. From this you can see how important it is for a plant to have fine, loose soil for its root-ha...

Ngày tải lên: 02/07/2014, 05:20

... tree back close to the bud, as in Fig. 71, so as to force nourishment into the inserted bud. [Illustration: FIG. 71. Sloping line shows where to cut tree] CHAPTER IV 46 ground, in order that a ... bud, and the bud-shoot grows three or four feet. One year later the shoot branches and the top begins to form; and in the fall of the following year the tree may be sold as a two-year-old, althoug...

Ngày tải lên: 02/07/2014, 05:20

... scab at the next harvest. Therefore before they are planted, seed potatoes should be soaked in a weak solution of formalin for about two hours. One-half pint of formalin to fifteen gallons of ... water. The fungus that causes the pear-leaf spots has its spores in little pits (Fig. 11 5). The spores of some fungi also grow on stalks, as shown in Fig. 11 6. This figure represents an enlarge...

Ngày tải lên: 02/07/2014, 05:20

... destroy the pest. =The Peach-Tree Borer.= In Fig. 16 1 you see the effect of the peach-tree borer's activity. These borers often girdle and thereby kill a tree. Fig. 16 2 shows the adult state ... bores into the bark and remains there for months, passing through the pupa stage before it comes out to lay eggs for another generation. [Illustration: FIG. 16 1. BORER SIGNS AROUND BASE...

Ngày tải lên: 02/07/2014, 05:20

... sugar beets, $54; sorghum cane, $22; cotton, $22; orchard fruits, $11 0; peanuts, $ 21; flax-seed, $14 ; cereals, $14 ; hay and forage, $11 ; castor beans, $6 (United States Census Report). SECTION XXXV. ... the cane is usually crushed for sugar or for molasses. [Illustration: FIG. 213 . STALK OF SUGAR-CANE A-B, joints of cane showing roots; B-C, stem; C-D, leaves] The sugar-cane is a hug...

Ngày tải lên: 02/07/2014, 05:20