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Q1.Consider the nutrients concept below and use
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<!DOCTYPE html PUBLIC "-//ABISOURCE//DTD XHTML plus AWML 2.2//EN" "http://www.abisource.com/2004/xhtml-awml/xhtml-awml.mod"><html xmlns="http://www.w3.org/1999/xhtml" xmlns:awml="http://www.abisource.com/2004/xhtml-awml/"> <head> </head> <body> <div> <p> Q 1. Consider the nutrients concept below and use it to answer question 1 (i) and (ii): </p> <p> Nutrient Access concept: it is believed that maximum crops growth can be achieved by constant supply of soil nutrients with fairly slow release, with emphasis on maximum access of nutrients to crops roots. </p> <span>Explain (in details) how Agroforestry concept could be the right approach in achieving this nutrients concept (20 marks)</span> <p> <span style="font-family:'Times New Roman'">1a.</span> </p> <p> </p> <p> <span style="font-family:'Times New Roman'">Agroforestry is a sustainable farming practice, which is a system of incorporating trees into farming systems. Trees help to sustain the nutrient content of soil by reducing salinity through the absorption and use of excess ground water which could bring up dissolved salt to the surface.</span><span style="font-family:'XXXXX XXX Roman';color:#000000;XXXXXXXXXX:#XXXXXX">The tree roots</span><span style="XXXXX:#XXXXXX;XXXXXXXXXX:#XXXXXX"> XXXX</span><span style="font-XXXXXX:'Times New XXXXX';color:#XXXXXX;XXXXXXXXXX:#XXXXXX"></span><span style="color:#000000;background:#ffffff"></span><span style="font-family:'Times New XXXXX';XXXXX:#000000;background:#ffffff">XXXXXXX XXXXXXX and XXXX XXXX</span><span style="color:#XXXXXX;background:#ffffff">nutrients</span><span style="font-family:'XXXXX New Roman';XXXXX:#000000;XXXXXXXXXX:#XXXXXX"> from running XXX XXXXX</span><span style="XXXXX:#000000;background:#ffffff">s.</span><span style="font-family:'等线';XXXXX:#XXXXXX;background:#XXXXXX"> And</span><span style="XXXX-XXXXXX:'Times New Roman'">XX XXX XXXXX hand, XXX Nutrient Access XXXXXXX XXXXXXX maximum yield(by XXXXXXXX XXXXXX XX nutrients XXX XXXXXXXX XXXX XXXXXX XX XXXXX XXXXXXXXX) XX relatively low XXXXXXX through low supply rate.</span> </p> <p> <span style="XXXX-family:'XXXXX XXX Roman'">Crops XXXXX XXXXXXX constant XXXXXX of low XXXXXXXXXXXXX nutrients XXXXX XXXXXXX the presence of trees XXXXXXX with convenient spacing(which XXXXXXX maximum XXXXXX XX crops XX XXXXXXXXX) XX XXXX conserve XXX XXXXXXXXX XXXXXXXX XXXXXX XXXXXX XX run-off which XXXXX XXXX XXXX the supplied XXXXXXXXX. Likewise, an XXXXXX XXXXXX XX XXXXXXXX to XXXX XXXX increase the XXXXXXXXXXX XXXXX raising XXXXX XX XXX top XXXX XXXXX cause salinity XXX a XXXXXXXXX in XXX XXXXXXXX XXXXXXX, but the XXXXXXXX of XXXXX will XXXX XX XXXXXXXXX XXXX XXXXXXXXX in water XXXXX through absorption.</span> </p> <p> <span style="XXXX-family:'Times New Roman'">Basically, adopting XXXXXXXXXXXX in XXX nutrient access concept XXXX help XX XXXXXX sufficient XXXXXXXXX for crops while XXXXXXXXXXXX the access of crops to these XXXXXXXXX, all these reducing XXXXXXX XXX XXXXX XX the XXXXXXXX of XXX XXXXXXX.</span> </p> <p> </p> <span>Explain X advantages XXX disadvantages in applying the Agroforestry XXXXXXXX XX explained in question a (20 marks)</span> <p> <span style="font-family:'XXXXX New XXXXX'">XX.</span> </p> <p style="text-XXXXX:center"> </p> <p> <span style="XXXX-family:'Times XXX Roman'"></span><span style="XXXX-XXXXXX:XXXX;font-family:'XXXXX XXX Roman'">ADVANTAGES</span> </p> <span></span><span style="XXXX-family:'Times New Roman'">Practicing XXXX XXXXXXXX in XXX nutrient access concept XXXXXXX XXX conversation XX XXXXXXXXX XXXXXXXX to the crops, XXXXX XXXXX are very XXXXXXXXXXXX in XXX prevention XX XXXXXXX during run-off XXXXX XXX ultimately wash away the XXXXXXXXX.</span><span></span><span style="XXXX-family:'XXXXX XXX XXXXX'">XXXXX XXXX roots XXXX XXXXX deep XXXXX XXX nutrients, XXX nutrients absorbed XX XXXX trees XXX</span>“<span style="font-family:'XXXXX XXX Roman'">locked</span>”<span style="XXXX-XXXXXX:'Times XXX XXXXX'"> in XXXXXX, and these XXXXXXXXX XXX returned to XXX soil XXXXXX decomposition XX fallen leaves. XXXX XXXXXXXXXXXX XXXXXXXX extra XXXXXXXXX when the XXXXXXXX becomes insufficient.</span><span></span><span style="font-XXXXXX:'Times New XXXXX'">XXXXX XXX stabilizing XXXXXX in a landscape, XXXXXXX air in a XXX XXX, XXXXXXXXX XXXX XXX slowing XXXXX, these abilities of helps smaller crops XX prosper in such weather conditions.</span><span></span><span style="XXXX-XXXXXX:'Times New Roman'">XXX XXXXXXXXXXXXXXX of XXXXXXXXXXXX land XXXXXXX XXXXXXXXXXXX XXXXXXXX a habitat for XXXXXXX XXX small XXXXXXXX XXXX birds XXXXX presence XXXXXXXX pest control. Controlling pests XXXX in XXXXXXXX XXX maximum yield XX crops grown.</span><span></span><span style="font-XXXXXX:'XXXXX New XXXXX'">Saline soil XXXX XXXXX made good crops. Excess XXXXXXXXXXX XXXX rain XXXXXXXX will both XXXXXXX dissolve nutrient XXXXXXXXXXXXX and expose XXXX surface XX XXXXX which XXXX XXXXX adverse to plant XXXXXX. But the XXXXXXXX XX XXXXX will help XX XXXXXXXXX XXX ground water level by XXXXXXXXX XXX XXXXXX part of the water back XX the atmosphere XXXXXXX XXXXXXXXXXXXX.</span> <p style="margin-XXXX:XX.XXXXXXXX"> <span style="font-weight:XXXX;XXXX-XXXXXX:'XXXXX XXX XXXXX'">DISADVANTAGES</span> </p> <span></span><span style="font-XXXXXX:'XXXXX New Roman'">XXXXXXXXXX agroforestry XXXXXX requires XXXXXXXX</span>knowledge<span style="XXXX-XXXXXX:'XXXXX XXX XXXXX'"> and planning XX implement. XXXXXX trees around XXXXXXXXXXXX XXXX will hinder XXX full XXXXXXXXXXXXX XX XXX XXXXXXX XXXXXXX hence XXXXXX the XXXXXXX more XXXXX XXXXXXXXX</span><span></span><span style="font-XXXXXX:'XXXXX XXX Roman'">XX is a</span>knowledge<span style="XXXX-family:'Times New Roman'"> and technology XXXXXXXXX XXXXXX.</span><span></span><span style="font-XXXXXX:'XXXXX XXX Roman'">XX XXXXX are not XXXXXXXX to XXXXXXXXXX each other, XXXXX may compete XXXX XXXXX for the supplied XXXXXXXXX. And since XXXXX XXXXXXXXX XXX supplied in controlled XXXXXXXXXXXXX XXX effect of such unhealthy XXXXXXXXXXX XXX XX XXXXXXX.</span><span></span><span style="font-XXXXXX:'Times XXX XXXXX'">Due XX the XXXXXXXX of XXXXXXXX in XXX XXXX, XXXXX XXX XX invading XXXXXXX XX XXXXXXX XXX XXXXXXXX XXXXX could XXXX XXXX to the crops.</span><span></span><span style="font-family:'XXXXX New XXXXX'">Tree XXXXXXXX XXX XXX XXXX XXXXXXX XXXXXXXXX, it takes XXXXXX XXXX XXX payback for land occupied XX trees.</span> <p style="margin-left:36.XXXXXXXX"> </p> <p style="XXXX-align:XXXXXX;XXXXXX-left:XX.XXXXXXXX"> X.2. Discuss XXX 5 differences that XXXXX XXXXX XXXXXXX XXXXXXXXXXXX XXXXXXXX and mainstream XXXXXXXX/Agriculture XXXXXXXX (XX marks) </p> <p style="XXXX-align:XXXXXX;margin-left:XX.XXXXXXXX"> </p> <p style="margin-XXXX:36.000000pt"> <span style="XXXX-family:'XXXXX XXX Roman'">2</span> <a name="XXXXXXX"> </a> <span style="XXXX-family:'XXXXX XXX XXXXX'">.</span> </p> <p style="XXXX-align:XXXXXX;margin-left:XX.XXXXXXXX"> </p> <span></span><span style="XXXX-family:'XXXXX New Roman'">Agroforestry research will take XXXX account a general combined XXXXXXXXXX of XXXX trees XXX XXXXX in XXXXXX statistics XXXXX the land area to be XXXXXXXXXX XXXX be a combined XXXXXXXXXXXX XXXXXX, XXX these surveys will be specified XXXXXXXXXXXX in an XXXXXXXXXXXX XXXXXXXX.</span><span></span><span style="font-family:'XXXXX XXX XXXXX'">An XXXXXXX XX XXX effect of the trees on the XXXXXXX XXXXX XX XXXXX XXXXX XXXX XX XXXXXXXXXX in XXXXXXXXXXXX XXXXXXXX XXX not in agricultural XXXXXXXX since XXX presence of XXXXXXXXX trees will XXXXXX the maximum XXXXX XX XXXXX smaller plants in XXXXXXXXXXXX.</span><span></span><span style="font-family:'Times XXX Roman'">XXXX XXXXXXXXX on the total XXXXXXXXX XX XXX XXXX XXXX XX included in XXXXXXXXXXXX XXX not in mainstream XXXXXXXX since considerations XXXX taken XX the XXX XXXXXXXXX XX perennial crops on annual crops XXX vice versa.</span><span></span><span style="font-XXXXXX:'Times New XXXXX'">XXXXXXXX composition XX XXXX in agroforest XXXXXXXXX XXXXX run-off for a XXXX period in XXXXXXXXXX with XXXXXX agricultural system.</span> </div> </body> </XXXX>">
