Fruit growing in the tropics - Part 4 docx

... and vitamins 58 Pig keeping in the tropics 16 2.3 Small-scale intensive pig keeping Figure 3: Small-scale intensive pig keeping (after Holnes, 19 91) . Main characteristics The main characteristics ... indications are given of the treatment possible. Agrodok 1 Pig keeping in the tropics Dick Muys Geert Westenbrink Pig keeping in the...

Ngày tải lên: 01/07/2014, 19:20

... ? Taking the sow away from the piglets during weaning, rather than removing the piglets. ? Putting the sow in a pen next to the boar after weaning. ? Bringing her into contact with the boar ... heat within 14 days of weaning, there are various possible causes: ? The suckling period has been too long - the shorter the period, the quicker she will come on heat...

Ngày tải lên: 01/07/2014, 19:20

... 4.2 Outline of cloning methods 37 4.3 Concluding remarks 40 5 Training: pruning and bending 41 5 .1 Definition; the limited role of pruning in tropical fruits 41 5.2 Cutting increasingly large ... in the final stages. Wageningen, August 2006 Ed Verheij Fruit growing in the tropics 4 Contents 1 Introduction 6 1. 1 No flowers, no fruit 6 1. 2 Importanc...

Ngày tải lên: 02/07/2014, 00:20

... 1930 to 1970 the average number of trees per ha increased from 100 to 2, 500 (the spacing de- creased from 10m x 10m to 3 .20 m x 1 .25 m). In these 40 years the mean yield in the country increased ... mango tree being replaced by 3 or 5 more fruitful small mango trees of different varieties! (But these trees may be too small to sit in Fruit growing in the tropic...

Ngày tải lên: 02/07/2014, 00:20

... flowering and fruiting are sacrificed for the Fruit growing in the tropics 32 Now compare the crop cycles in the subtropics and tropics. ? In the subtropics release from stress results in ... growing point, as in cocoa and often in citrus shoots. More often the growing point forms a resting terminal bud, covered in bud scales, as in mango. In...

Ngày tải lên: 02/07/2014, 00:20

... stock Side grafting – mature, woody stock Grafting On mother tree in the field Inarching – durian, lansat, jackfruit Approach grafting – mango Fruit growing in the tropics 36 have ... Fruit growing in the tropics 40 4. 3 Concluding remarks Most fruit crops can be cloned in different ways. Budding and grafting are only used where cuttings or laye...

Ngày tải lên: 02/07/2014, 00:20

... point of attachment of the shoot, leaving only a stub; ? Cutting out or thinning: removing the entire shoot by a cut at the point of attachment. Training: pruning and bending 41 5 Training: ... that com- pete with the leading shoot. Training: pruning and bending 45 Stubbing Stubbing is making a drastic cut, leaving only a stub of the shoot or limb. The general...

Ngày tải lên: 02/07/2014, 00:20

... spiralling around the trunk (right) Fruit growing in the tropics 50 Growth retardants Growth retardants are chemicals that inhibit growth-promoting hor- mones in the plant. They offer a direct ... the risk (some of) the major limbs may be girdled instead of the trunk. Fruit growing in the tropics 52 Making sketches as in figure 15 for your own...

Ngày tải lên: 02/07/2014, 00:20

... apples, passionfruits and salak. The Appendix gives brief information about the way in which pollina- tion is effected in the listed fruit crops. Fruit growing in the tropics 56 In banana ... of the fruit crops in this Agrodok is presented in the Appendix. Flowering habits are rather varied. There are, for in- stance, papaya cultivars in which all...

Ngày tải lên: 02/07/2014, 00:20

... Fruit growing in the tropics 60 8. 1 Limiting use of pesticides It is now realised that the use of pesticides should be drastically re- duced by: ? Abandoning routine treatments ? Replacing ... the end of the dry season, so that there are few sources of infection at the beginning of the rains. Mango hoppers suck the young shoots and especially inflorescences; t...

Ngày tải lên: 02/07/2014, 00:20

... at- tached to the top to hold the fruit. Fruit growing in the tropics 68 9. 3 Handling and marketing In commercial fruit production, growing the fruit is the lesser half of the job. The ... separation of the spines; the odour of the fruit; the sound heard when the fingertips are run through the furrows between the spines; and changes in...

Ngày tải lên: 02/07/2014, 00:20

... of the pistil which contains the ovules and grows into the fruit ovules the immature seeds in the ovary before fertili- zation parthenocarpy the production of fruit without true fertiliza- tion ... Further reading 79 Verheij, E.W.M. & H. Lövenstein, 2004: A nurseryman and his trees. AgroSpecial 1, AGROMISA, Wageningen, The Netherlands, 43 p. ISBN 9 0-7 707 3-8...

Ngày tải lên: 02/07/2014, 00:20

... or homemade mineral prepara- tions. Goat keeping in the tropics 46 ? Taking out silage for feeding As soon as the pit is opened the air can get in. Inevitably the heap in the pit will ... years in a well covered un- derground pit. Goat keeping in the tropics 44 suitable method than hay-making for wet areas where drying is diffi- cult. Silage maki...

Ngày tải lên: 02/07/2014, 00:20

... permanent stalling of goats. In partial stalling, the goats are kept penned only at night or during part of the day; the rest of the time they wander freely, foraging about. In you keep them permanently ... grass. You must also move them often so that they can find new pasture. Goat keeping in the tropics 56 Feeding and drinking facilities In each housing s...

Ngày tải lên: 02/07/2014, 00:20

... Erosion control in the tropics 28 Removing this soil from the drainage system or the paths adds to the workload of the farmer. ? The reverse applies of course to the field where the soil ... labour and the farmer is obliged to sow up a smaller area for in- stance. ? When thin layers of soil are continually washed away from the field by erosion, the bigg...

Ngày tải lên: 02/07/2014, 05:20