Name a farming system with minimal or no use of chemical fertilizers? Related Questions

Name a farming system with minimal or no use of chemical fertilizers?
Asked By Rahul,Last Answer By KTDykes At 2010.08,1 Answers

Name a farming system with minimal or no use of chemical fertilizers

What are chemical fertilizers made of?
Asked By rose zhou,Last Answer By jessie lake At 2011.05,1 Answers

[Zhuantie] used the characteristics and use of chemical fertilizers
Asked By lisa green,Last Answer By jane b At 2011.05,1 Answers

First, ammonium bicarbonate: alkaline, basal and top dressing do not make kinds of fertilizer, the application should be 10 cm deep application or the casing around, not with ammonium nitrate, superphosphate mixed. Second, the urea: neutral, applicable to all types of soil and various crops, should be used for basal, top dressing, can not grow fat. Third, the SSP: weak acid, can do basic fertilizer, seed fertilizer and top dressing, it applies to neutral or acidic soils, should generally be applied with organic manure or ashes, filter out the liquid fertilizer in its roots outside the spraying. Fourth, ammonium nitrate: a weak acid, can be used for top dressing, can not be used for basal fertilizer, seed fertilizer. Should not be applied in early spring crops can not be mixed with organic manure heap, retting; applied in the paddy fields due to denitrification is poor, commonly used in dryland crops. Fifth, ammonium chloride: physiological acid fertilizer, can be used as base fertilizer, top dressing, can not be kind of fat. For calcareous soil or part of the acidic soil, but should not be applied in the saline soil and tobacco, grapes, potatoes and other crops avoid chlorine. Sixth, NPK fertilizer: fertilizer should be used for basal and early. VII FCMP: alkaline, can do basic fertilizer, and generally not suitable for top dressing fertilizer for acid soils. VIII, potassium sulfate: physiology of acid fertilizer for basal fertilizer, topdressing can, potassium sulfate for various crops, in particular avoid potassium chloride hi crops, fertilizer application should be appropriate concentration. Nine, potassium dihydrogen phosphate: Currently used for soaking seeds and foliage top dressing, the effects were very good. Ten, nitrogen and potassium fertilizer: for hi should avoid potassium chloride fertilizer crops. If potassium nitrate, paddy should not be applied. XI, potassium chloride: physiological acid fertilizer, should be used for basal fertilizer, applied in acid soil, preferably with the application of organic fertilizer should be or lime, saline should not be applied, avoid chlorine plant should not be applied. Second, nitrogen and phosphorus compound: such as ammonium phosphate, for a variety of soil and various crops, should be as basic fertilizer, if used for top dressing should be applied early, when as a kind of fertilizer can not be in direct contact with the seed. (Ze phase) Feed Unit: Hebei Agricultural Technology Extension Station

Which chemical pesticides and fertilizers would be best to use on shrubs? there are a lot of aphids on them?
Asked By sherl pagan vtâ„¢,Last Answer By paul At 2010.01,1 Answers

and they're looking kind of brown.

i want something strong enough to get rid of them the first time. also these are next to my neighbors veggie you think that the bugs are coming from there?


What arguments show that family farming is better way to use the land than farming by agribusinesses?
Asked By zargoosh,Last Answer By brnrlmkar At 2010.08,1 Answers

consider social repercussions as well as environmental factors and local economic factors

What is the similarity between commercial farming and subsistence farming?
Asked By clmnt_gh,Last Answer By RichardJ At 2010.08,1 Answers

What are 2 Differences Between Organic Farming And Bio-Dynamic Farming?
Asked By Payal M,Last Answer By lloyd At 2011.04,1 Answers

Why is intensive farming also known as factory farming in America?
Asked By OsHEe,Last Answer By karin At 2010.08,1 Answers

Need Help For My Brother's Biology class :)

What is better for farming, Organic or Conventional farming?
Asked By Anikin Skywalker,Last Answer By Ivan A At 2010.08,1 Answers

Whether does edible fungus use chemical fertilizer and agriculture chemical when breeding artificially?
Asked By Constantine Dodge,Last Answer By Aaron Barton At 2011.05,1 Answers

Construction and decoration materials in the chemical name, chemical composition and use of the main
Asked By Ivy Bush,Last Answer By Betty White At 2011.05,1 Answers

Chemical-free license for chemical projects have friends over here, over here! ! !
Asked By Abraham Ford,Last Answer By Reb Brown At 2011.05,1 Answers

Posts by qxr622 2009-8-4 08:29 edited on a home in Guangzhou Tianhe Chemical intends to find partners in the country, documents are complete, production and business scope is particularly broad, if there is no chemical permit the project to consider cooperation about the specific Phone 13316193555 Sun

Can you help me with a minimal surface problem?
Asked By ☮ Vašek,Last Answer By Scythian1950 At 2010.10,1 Answers

I would like to find a minimal surface as a function z(x,y) on [0,1]×[0,1] constrained by boundary conditions
z(0,y) = z(x,0) = 0
z(1,y) = y
z(x,1) = x.
I have tried this by my own means but I am missing a broader background in partial differential equations. Using elementary variational calculus, I have found that the equation I should solve is
z[xx] (1 + z[y]^2) + z[yy] (1 + z[x]^2) - 2 z[x] z[y] z[xy] = 0,
where [] denotes partial derivative, as in z[xx] = ∂^2 z / ∂x^2. This is equivalent to saying that the surface should have a mean curvature of 0 because the left hand side is proportional to Tr g^(-1) h.
I note this just as possible starting points for someone who knows how to continue, I have had no success beyond that point.

If this can be solved readily, I am also interested in the generalized version where the boundary conditions are four line segments formed between (0,0,a), (0,1,b), (1,1,c), (1,0,d) and back to (0,0,a).

University graduates to take up employment with minimal needs
Asked By Chaplin White,Last Answer By bozi zhang At 2011.05,1 Answers

When do regarding where to get the best answer to what procedures were additional bonus points 80 points

How much is minimal salary in Spain per hour.?
Asked By free711206,Last Answer By Debsh At 2011.03,1 Answers

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